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.. common
H2
CO
H
OH
HCO+
C
H3+
C+
H2O
e-

.. in RATE12
C
C+
C-
C10
C10+
C10-
C10H
C10H+
C10H-
C10H2
C10H2+
C10H3+
C11
C11+
C2
C2+
C2-
C2H
C2H+
C2H-
C2H2
C2H2+
C2H3
C2H3+
C2H4
C2H4+
C2H5
C2H5+
C2H5CN
C2H5CNH+
C2H5OH
C2H5OH+
C2H5OH2+
C2H7+
C2N
C2N+
C2N2+
C2NH+
C2O
C2O+
C2S
C2S+
C3
C3+
C3-
C3H
C3H+
C3H-
C3H2
C3H2+
C3H2O+
C3H3+
C3H4+
C3H5+
C3H6+
C3H7+
C3N
C3N+
C3N-
C3O
C3O+
C3P
C3S
C3S+
C4
C4+
C4-
C4H
C4H+
C4H-
C4H2+
C4H3
C4H3+
C4H4+
C4H5+
C4H7+
C4N
C4N+
C4P
C4P+
C4S
C4S+
C5
C5+
C5-
C5H
C5H+
C5H-
C5H2
C5H2+
C5H3+
C5H5+
C5N
C5N+
C5N-
C6
C6+
C6-
C6H
C6H+
C6H-
C6H2
C6H2+
C6H3+
C6H4+
C6H5+
C6H6
C6H6+
C6H7+
C7
C7+
C7-
C7H
C7H+
C7H-
C7H2
C7H2+
C7H3+
C7H4+
C7H5+
C7N
C7N+
C8
C8+
C8-
C8H
C8H+
C8H-
C8H2
C8H2+
C8H3+
C8H4+
C8H5+
C9
C9+
C9-
C9H
C9H+
C9H-
C9H2
C9H2+
C9H3+
C9H4+
C9H5+
C9N
C9N+
CCP
CCP+
CCl
CCl+
CF+
CH
CH+
CH-
CH2
CH2+
CH2CCH
CH2CCH+
CH2CCH2
CH2CHCCH
CH2CHCHCH2
CH2CHCN
CH2CHCN+
CH2CHCNH+
CH2CN
CH2CN+
CH2CO
CH2CO+
CH2NH
CH2NH2+
CH2PH
CH3
CH3+
CH3C3N
CH3C3N+
CH3C3NH+
CH3C4H
CH3C4H+
CH3C5N
CH3C5NH+
CH3C6H
CH3C7N
CH3C7NH+
CH3CCH
CH3CH3
CH3CH3+
CH3CHCH2
CH3CHO
CH3CHO+
CH3CHOH+
CH3CN
CH3CN+
CH3CNH+
CH3CO+
CH3COCH3
CH3COCH3+
CH3COCH4+
CH3CS+
CH3OCH3
CH3OCH3+
CH3OCH4+
CH3OH
CH3OH+
CH3OH2+
CH4
CH4+
CH4N+
CH5+
CN
CN+
CN-
CNC+
CNO
CO
CO+
CO2
CO2+
COOCH4+
CP
CP+
CRP
CRPHOT
CS
CS+
Cl
Cl+
ClO
ClO+
F
F+
Fe
Fe+
H
H+
H-
H2
H2+
H2C4N+
H2C7N+
H2C9N+
H2CCC
H2CCl+
H2CN
H2CNO+
H2CO
H2CO+
H2CS
H2CS+
H2Cl+
H2F+
H2NC+
H2NCO+
H2NO+
H2O
H2O+
H2O2
H2OCN+
H2PO+
H2S
H2S+
H2S2
H2S2+
H2SiO
H2SiO+
H3+
H3C3O+
H3C5N+
H3C7N+
H3C9N+
H3CO+
H3CS+
H3O+
H3S+
H3S2+
H3SiO+
H5C2O2+
HC2O+
HC2P
HC2P+
HC2S+
HC3N
HC3N+
HC3NH+
HC3O+
HC3S+
HC4H
HC4N+
HC4S+
HC5N
HC5N+
HC5NH+
HC7N
HC7N+
HC9N
HC9N+
HCN
HCN+
HCNH+
HCNO
HCNO+
HCNOH+
HCO
HCO+
HCO2+
HCOOCH3
HCOOH
HCOOH+
HCOOH2+
HCP
HCP+
HCS
HCS+
HCSi
HCSi+
HCl
HCl+
HF
HF+
HN2O+
HNC
HNC3
HNCO
HNCO+
HNCOH+
HNO
HNO+
HNS+
HNSi
HNSi+
HOC+
HOCN
HOCN+
HOCS+
HONC
HONC+
HPN+
HPO
HPO+
HS
HS+
HS2
HS2+
HSO+
HSO2+
HSiO2+
HSiS+
He
He+
HeH+
Mg
Mg+
N
N+
N2
N2+
N2H+
N2O
N2O+
NCCN
NCCNCH3+
NCCNH+
NH
NH+
NH2
NH2+
NH2CN
NH2CNH+
NH3
NH3+
NH4+
NO
NO+
NO2
NO2+
NS
NS+
Na
Na+
O
O+
O-
O2
O2+
O2-
O2H
O2H+
OCN
OCN+
OCS
OCS+
OH
OH+
OH-
P
P+
PC2H2+
PC2H3+
PC2H4+
PC3H+
PC4H+
PCH2+
PCH3+
PCH4+
PH
PH+
PH2
PH2+
PH3+
PHOTON
PN
PN+
PNH2+
PNH3+
PO
PO+
S
S+
S-
S2
S2+
SO
SO+
SO2
SO2+
Si
Si+
SiC
SiC+
SiC2
SiC2+
SiC2H
SiC2H+
SiC2H2
SiC2H2+
SiC2H3+
SiC3
SiC3+
SiC3H
SiC3H+
SiC3H2+
SiC4
SiC4+
SiC4H+
SiCH2
SiCH2+
SiCH3
SiCH3+
SiCH4+
SiF+
SiH
SiH+
SiH2
SiH2+
SiH3
SiH3+
SiH4
SiH4+
SiH5+
SiN
SiN+
SiNC
SiNC+
SiNCH+
SiNH2+
SiO
SiO+
SiO2
SiOH+
SiS
SiS+
e-

Species

This is the master species list of all species in the system.

Note: The database map between species and their names is a work in progress. If you want to contribute a synonym for a species, or disagree with the name of a particular compound, please leave a comment on the appropriate page.

SpeciesEmpiricalMassRate12DetectedName(s)
1PHOTONPHOTON0Y
2MM0Termolecular reaction partner
3e-e-0Yelectron
4CRPHOTCRPHOT0Y
5CRPCRP0Y
6HH1YHydrogen
7H+H+1YHydrogen ion
8H-H-1YHydrogen anion
9H2+H2+2YDihydrogen ion
10H2H22YYMolecular hydrogen; Dihydrogen
11DD2Deuterium
12H3+H3+3YYProtonated dihydrogen
13HDDH3YDeuterated molecular hydrogen
14D2D24Molecular deuterium
15HeHe4YHelium
16He+He+4YHelium ion
17H2D+DH2+4YDeuterated H3+
18HeH+HHe+5YProtonated helium
19HD2+D2H+5YDoubly deuterated H3+
20D3+D3+6Fully deuterated H3+
21LiHHLi8Lithium hydride
22CC12YCarbon
23C-C-12YCarbon anion
24C+C+12YCarbon ion
25CH-CH-13Y
26CH+CH+13YYMethylidyne ion
27CHCH13YYMethyladyne radical
28N+N+14YAtomic nitrogen ion
29CH2CH214YYMethylene radical
30NN14YNitrogen
31CH2+CH2+14YMethylene ion
32CH3+CH3+15YMethyl ion
33NHHN15YYNitrogen hydride
34CH3CH315YYMethyl radical
35NH+HN+15YNitrogen hydride ion
36CH4+CH4+16YMethane ion
37O+O+16YOxygen ion
38NH2H2N16YYAminyl radical
39OO16YOxygen
40O-O-16YOxygen anion
41CH4CH416YYMethane
42NH2+H2N+16YProtonated nitrogen
4317OO17Oxygen-17
44OH+HO+17YYHydroxyl ion
45OH-HO-17YHydroxyl anion
46CH5+CH5+17YProtonated methane
47OHHO17YYHydroxyl radical
48NH3H3N17YYAmmonia
49NH3+H3N+17YAmmonia ion
50NH2DDH2N18YDeuterated ammonia
5118OO18Oxygen-18
52H2O+H2O+18YYWater ion
53NH4+H4N+18YYProtonated ammonia; Ammonium ion
54H2OH2O18YYWater
55HDODHO19YDeuterated water
56H217OH217O19Water
57ND2HD2HN19YDoubly deuterated ammonia; NHD2
58FF19YFluorine
59H3O+H3O+19YYProtonated water; Hydronium ion
60F+F+19YFluorine cation
61D2OD2O20Doubly deuterated water
62HFFH20YYHydrogen fluoride
63ND3D3N20YTriply deuterated ammonia
64H218OH218O20Water
65HF+FH+20YHydrogen fluoride ion
66H2F+FH2+21YProtonated hydrogen fluoride
67NaNa23YSodium
68Na+Na+23YSodium ion
69NaHHNa24
70C2+C2+24YDicarbide ion
71C2C224YYDicarbide
72MgMg24YMagnesium
73Mg+Mg+24YMagnesium ion
74C2-C2-24Y
75C2H-C2H-25Y
76C2HC2H25YYEthynyl radical
77NaH2+H2Na+25
7812C13CC225YDicarbide
79C2H+C2H+25YEthynyl ion
80MgHHMg25
81C2H2C2H226YYAcetylene
82CCDC2D26YDeuterated ethynl radical
83CN-CN-26YCyanide anion
84C2H2+C2H2+26YAcetylene ion
85CN+CN+26YYCyanogen ion
86CNCN26YYCyanogen radical
87C2H3C2H327YVinyl radical
88C2H3+C2H3+27YProtonated acetylene; Vinyl ion
89HCN+CHN+27YHydrogen cyanide ion
90HCNCHN27YYHydrogen cyanide
9113CCH213CCH227Acetylene
92HNCCHN27YYHydrogen isocyanide
9313CNCN27YCyanogen radical
94HNC+CHN+27Hydrogen isocyanide ion
95AlAl27Aluminium
96H13CNCHN28YHydrogen cyanide
97AlHAlH28
98DCNCDN28YDeuterium cyanide
99C2D2C2D228Doubly deuterated acetylene
100HC15NCHN28YHydrogen cyanide
101HN13CCHN28YHydrogen isocyanide
102COCO28YYCarbon monoxide
103N2+N2+28YYDinitrogen ion
104H2NC+CH2N+28YProtonated hydrogen isocyanide
105DNCCDN28YDeuterium isocyanide
106H2CNCH2N28YYAmidogen; Methylene amidogen
107HCNH+CH2N+28YYProtonated hydrogen cyanide
108Si+Si+28YSilicon ion
109C2H4C2H428YYEthylene
110C2H4+C2H4+28YEthylene ion
111CO+CO+28YYCarbon monoxide ion
112N2N228YMolecular nitrogen
113SiSi28YSilicon
114CH2NHCH3N29YYMethanimine; Methylenimine
115HCOCHO29YYFormyl radical
116SiHHSi29YYSilicon hydride
117SiH+HSi+29YSilicon hydride ion
118C2H5+C2H5+29YEthyl ion
119HCO+CHO+29YYFormyl ion
120C2H5C2H529YEthyl radical
121C17OCO29YCarbon monoxide
122HOC+CHO+29YYHydroxymethylidynium
123N2H+HN2+29YYProtonated nitrogen; N2H+
12413COCO29YCarbon monoxide
125N2D+DN2+30Y
126DCO+CDO30YDeuterated formyl ion
127H13CO+CHO30YFormyl ion
128C18OCO30YCarbon monoxide
129HC17O+CHO+30YFormyl ion
130CH4N+CH4N+30YMethyl amino ion
131H2CO+CH2O+30YFormaldehyde ion
132t-HCOHCH2O30trans hydroxy methylene
133HOCHCH2O30Hydroxymethylene
134NO+NO+30YNitric oxide ion
135CH3CH3C2H630YYEthane
136SiH2H2Si30YSilylene
137SiH2+H2Si+30YSilylene ion
138CH2NH2+CH4N+30YProtonated cyanamide
139NONO30YYNitric oxide
140H2COCH2O30YYFormaldehyde, methanal
14113C17OCO30YCarbon Monoxide
142CH3CH3+C2H6+30YEthane ion
143H213COCH2O31YFormaldehyde
144HC18O+CHO31YFormyl ion
145CF+CF+31YFluoromethylidyne ion
146D13CO+CDO31YDeuterated formyl ion
147CH3NH2+CH5N+31Methylamine ion
148PP31YPhosphorus
149H3CO+CH3O+31YYProtonated formaldehyde; H2COH+
150SiH3H3Si31YSilyl radical
151CH3OCH3O31Methoxy radical
152HDCOCDHO31YDeuterated formaldehyde
153HNO+HNO+31YNitroxyl ion
154SiH3+H3Si+31YSilyl ion: H3Si+
155HNOHNO31YYNitroxyl
156P+P+31YPhosphorus ion
157C2H7+C2H7+31YProtonated ethane
158CH3NH2CH5N31YMethylamine
159S+S+32YSulphur ion
160O2+O2+32YMolecular oxygen ion
161O2-O2-32Y
162D2COCD2O32YDoubly deuterated formaldehyde
163CH3OHCH4O32YYMethanol
164SiH4+H4Si+32YSilane ion
165CH6N+CH6N+32
166PH+HP+32YPhosphorus hydride ion
167O2O232YMolecular oxygen
168H2C18OCH218O32Formaldehyde
169H2NO+H2NO+32YProtonated nitrosyl hydride
170PHHP32YPhosphorus hydride
171S-S-32YSulphur anion
172CH3OH+CH4O+32YMethanol ion
173SiH4H4Si32YYSilane
174SS32YSulphur
175PH2H2P33YPhosphino
17613CH3OHCH4O33YMethanol
177PH2+H2P+33YPhosphino ion
178CH2DOHCDH3O33YDeuterated methanol
179HS+HS+33YYSulphur hydride ion
180O2HHO233YHydroperoxyl radical
181HSHS33YYSulphur hydride
182SiH5+H5Si+33YProtonated silane
183O2H+HO2+33YHydroperoxyl ion
184CH3ODCDH3O33YDeuterated methanol
185CH3OH2+CH5O+33YProtonated methanol
186H2S+H2S+34YYHydrogen sulphide ion
187CHD2OHCD2H2O34YDeuterated methanol
188PH3H3P34
189H2SH2S34YYHydrogen sulphide
190PH3+H3P+34YPhosphine ion
191H2O2H2O234YHydrogen peroxide
192CD3OHCD3HO35Deuterated methanol
193HDSDHS35YDeuterated hydrogen sulphide
194Cl+Cl+35YChlorine ion
195ClCl35YChlorine
196H3S+H3S+35YProtonated hydrogen sulphide
197C3C336YYC3 radical
198C3+C3+36YC3 ion
199HClClH36YYHydrogen chloride; Hydrochloric acid
200CD3ODCD4O36Deuterated methanol
201HCl+ClH+36YHydrogen chloride ion
202D2SD2S36YDoubly deuterated hydrogen sulphide
203C3-C3-36Y
204C3H-C3H-37Y
205c-C3HC3H37YYPropynyl radical
206C3H+C3H+37YPropynyl ion
207l-C3HC3H37YPropynyl radical
208H2Cl+ClH2+37YProtonated hydrogen chloride
209H2CCCC3H238YYPropadienylidene
210C2NC2N38YCCN
211C3H2+C3H2+38YPropadienylidene ion
212c-C3H2C3H238YYCyclopropenylidene
213MgNMgN38
214CNC+C2N+38Y
215C2N+C2N+38YCCN+
216NaONaO39
217AlCAlC39
218KK39Potassium
219C2NH+C2HN+39YCCNH+
220C3H3+C3H3+39Cyclopropenyl ion
221CH2CCH+C3H3+39Y
222CH2CCHC3H339Y
223C3HDC3DH39YDeuterated cyclopropenylidene
224H2C3HC3H339Propargyl
225H2C3H+C3H3+39YProtonated propadienylidene
226C3H3C3H339Cyclopropenyl
227HCCNC2HN39YHCCN radical
22813CC2H2C3H239YCyclopropenylidene isomer
229CH2CCH2C3H440YAllene
230CaCa40Calcium
231CH3CCHC3H440YYMethyl acetylene; Propyne; CH3C2H
232C2O+C2O+40YDicarbon monoxide ion
233CH3CCH+C3H4+40YMethyl acetylene ion; Propyne ion; CH3C2H+
234SiCCSi40YYSilicon carbide; SiC radical
235CH2CNC2H2N40YYCyanomethane radical
236MgOMgO40
237CH2CN+C2H2N+40YCyanomethane ion
238SiC+CSi+40YSilicon carbide ion
239Ca+Ca+40Calcium ion
240C2OC2O40YYDicarbon monoxide; CCO
241NaOHHNaO40
242KHHK40
243CaHCaH41
244AlNAlN41
245C3H5+C3H5+41YAllyl ion; cyc-C3H5+; CH2CHCH2+
246CH2DCCHC3DH341YDeuterated methyl acetylene
247CH3CCDC3DH341Deuterated methyl acetylene
248CH3C13CHC3H441YMethyl acetylene
249NaH2O+H2NaO+41
250HC2O+C2HO+41YEthynyloxy ion; HCCO+; Ketenyl ion
251CH3NCC2H3N41YMethyl isocyanide
252HCSiCHSi41Y
253CH3CN+C2H3N+41YMethyl cyanide ion
254MgOHHMgO41
255HCSi+CHSi+41YProtonated silicon monocarbide
256CH3CNC2H3N41YYMethyl cyanide
25713CH3CNC2H3N42YMethyl cyanide
258OCN-CNO-42OCN anion
259HNCNHCH2N242Carbodiimide
260CH313CNC2H3N42YMethyl cyanide
261CH3CHCH2C3H642YPropene
262C3H6+C3H6+42YCyclopropane ion
263CNOCNO42Y
264NaFFNa42
265CH2DCNC2DH2N42YDeuterated methyl cyanide
266CH3CNH+C2H4N+42YProtonated acetonitrile
267SiCH2CH2Si42YCH2Si; H2CSi
268CH2CO+C2H2O+42YKetene ion
269SiN+NSi+42YSilicon nitride ion
270SiNNSi42YYSilicon nitride
271OCN+CNO+42YOCN ion; NCO+
272SiCH2+CH2Si+42YCH2Si+
273OCNCNO42YOCN radical
274CH2COC2H2O42YYKetene; H2CCO
275NH2CNCH2N242YYCyanamide
276SiCH3CH3Si43YCH3Si; CH2SiH
277HNCO+CHNO+43YIsocyanic acid ion
278C3H7+C3H7+43YIsopropyl ion
279SiCH3+CH3Si+43YCH3Si+; CH2SiH+
280AlOAlO43
281HNSiHNSi43YIminosilicon
282CPCP43YYCarbon monophosphide; CP radical
283HNSi+HNSi+43YIminosilicon ion
284CH3CO+C2H3O+43YAcetyl radical ion
285CH3COC2H3O43Acetyl radical
286C2H5NC2H5N43Ethylenimine; Aziridine
287HNCOCHNO43YYIsocyanic acid
288CP+CP+43YCarbon monophosphide ion
289NH2CNH+CH3N2+43Y
290HCNOCHNO43Y
291MgFFMg43
292HONCCHNO43Y
293HOCNCHNO43Y
294HNCO-CHNO-43YIsocyanic acid ion
295HOCN+CHNO+43Y
296HONC+CHNO+43Y
297HCNO+CHNO+43Y
298SiNH2+H2NSi+44Y
299CS+CS+44YCarbon monosulphide ion
300N2ON2O44YYNitrous oxide
301CH2CHOHC2H4O44Vinyl alcohol
302SiOOSi44YYSilicon monoxide
303CO2CO244YYCarbon dioxide
304CH3CHO+C2H4O+44YAcetaldehyde ion
305AlHOAlHO44
306HCPCHP44YMethinophosphide
307SiCH4+CH4Si+44YCH4Si+; CH2SiH2+
308c-C2H4OC2H4O44YEthylene oxide
309SiO+OSi+44YSilicon monoxide ion
310CH3CHOC2H4O44YYAcetaldehyde
311HCP+CHP+44YMethinophosphide ion
312N2O+N2O+44YNitrogen oxide cation
313AlOHAlHO44
314H2NCO+CH2NO+44Y
315H2CNO+CH2NO+44Y
316H2OCN+CH2NO+44Y
317HCNOH+CH2NO+44Y
318HNCOH+CH2NO+44Y
319CO2+CO2+44YYCarbon dioxide ion
320CH3CH2CH3C3H844Propane
321CSCS44YYCarbon monosulphide
322HOCOCHO245Hydroxyformyl radical
323PNNP45YYPhosphorus mononitride
324C33SCS45YCarbon monosulphide
32513CSCS45YCarbon monosulphide
326PN+NP+45YPhosphorus mononitride ion
327HCO2+CHO2+45YProtonated carbon dioxide; CHO2+
328PCH2+CH2P+45Y
329SiOH+HOSi+45YHOSi+
330HCSCHS45YThioformyl radical
331HOCO+CHO2+45YProtonated carbon dioxide
332NH2CHOCH3NO45YFormamide
333COOH+CHOO+45
334ScSc45Scandium
335HSiO+HOSi+45
336HN2O+HN2O+45YProtonated nitrous oxide
33729SiOOSi45YSilicon monoxide
338HCOO-CHO2-45Formate ion
339HCS+CHS+45YYThioformyl ion
340CH3CHOH+C2H5O+45YC2H5O+
341HCOOH+CH2O+46YFormic acid ion
342NH2CH2O+CH4NO+46
343C34SCS46YCarbon monosulphide
344NO2NO246YNitrogen dioxide
345HPN+HNP+46Y
346H2CSCH2S46YYThioformaldehyde
347H2SiOH2OSi46Y
348PCH3+CH3P+46Y
349H2SiO+H2OSi+46YHSiOH+
350CH2PHCH3P46YCH3P
351CH3CH2OHC2H6O46YYC2H5OH; Ethanol; alcohol
352NO2+NO2+46YNitrogen dioxide ion
353AlFAlF46YAluminium fluoride
354C2H6O+C2H6O+46
355C2H5OH+C2H6O+46YEthanol ion
356H2CS+CH2S+46YThioformaldehyde ion
357CH3OCH3C2H6O46YYDimethyl ether
358HCOOHCH2O246YYFormic acid
35930SiOOSi46YSilicon monoxide
360CH3OCH3+C2H6O+46YDimethyl ether ion
361NSNS46YYNitrogen sulphide
362NS+NS+46YNitrogen sulphide ion
363HNO2HNO247
364SiF+FSi+47YSilicon fluoride ion
365HCOOH2+CH3O2+47YCHOOH2+
366C2H5OH2+C2H7O+47YProtonated ethanol; C2H6OH+
367PO+OP+47YOP+
368CClCCl47YCarbon monochloride
369CCl+CCl+47YCarbon monochloride ion
370PCH4+CH4P+47Y
371PNH2+H2NP+47Y
372HDCSCDHS47YDeuterated thioformaldehyde
373POOP47YPhosphorus monoxide; Phosphorus oxide
374HNS+HNS+47Y
375C2H7O+C2H7O+47Protonated dimethyl ether; Protonated ethanol
376H3CS+CH3S+47YProtonated thioformaldehyde
37713C34SCS47YCarbon monosulphide
378HC34SCHS47Thioformyl radical
379HCOODCDHO247YDeuterated formic acid
380H13COOHCH2O247YFormic acid
381H213CSCH2S47YThioformaldehyde
382H3SiO+H3OSi+47YH2SiOH+
383CH3OCH4+C2H7O+47YProtonated dimethyl ether
384HPOHOP48YHOP
385CH3SHCH4S48YMethyl mercaptan
386SO+OS+48YYSulphur monoxide ion
387C4C448YTetracarbon
388C4-C4-48Y
389HPO+HOP+48YHOP+
390C4+C4+48YTetracarbon ion
391TiTi48Titanium
392D2CSCD2S48YDoubly deuterated thioformaldehyde
393H2C34SCH2S48YThioformaldehyde
394SOOS48YYSulphur monoxide
395PNH3+H3NP+48Y
396H2CCl+CClH2+49YChloromethyl ion; CH2Cl+
397C4H+C4H+49YButadiynyl ion
398HSO+HOS+49YHOS+
39933SOOS49YSulphur monoxide
400C4HC4H49YYButadiynyl radical
401H2PO+H2OP+49YHPOH+
402C4H-C4H-49Y
403NaCNCNNa49YSodium cyanide
404SiH3FFH3Si50
405HC4HC4H250YYDiacetylene
406C3N+C3N+50YCyanoethynyl ion
407C4DC4D50
408S18OOS50YSulphur monoxide
409MgNCCMgN50YMagnesium isocyanide
410MgCNCMgN50YMagnesium cyanide
411C3N-C3N-50Y
412C4H2+C4H2+50YDiacetylene ion
413C3NC3N50YYCyanoethynyl radical
414H2CCCCC4H250YButatrienylidene; H2C4
415HCNC2C3HN51Cyanoacetylene isomer
416VV51Vanadium
417HNC3C3HN51YYCyanoacetylene isomer; HNCCC
418HCCNCC3HN51YIsocyanoacetylene
419ClOClO51YChlorine monoxide
420HC3N+C3HN+51YCyanoacetylene ion
421ClO+ClO+51YChlorine monoxide ion
422HC3NC3HN51YYCyanoacetylene; Propynenitrile
423C4H3+C4H3+51Y
424C4H3C4H351Y
425HCC13CNC3HN52YCyanoacetylene; Propynenitrile
426SiC2C2Si52Y
427H13CCCNC3HN52YCyanoacetylene; Propynenitrile
428HC13CCNC3HN52YCyanoacetylene; Propynenitrile
429NCCNC2N252YCyanogen
430CrCr52Chromium
431DC3NC3DN52YDeuterated cyanoacetylene
432C4H4C4H452Cyclobutadiene; 1-Buten-3-yne
433C2N2+C2N2+52YNCCN+; CNCN+
434CH2CHCCHC4H452Y
435C3O+C3O+52YTricarbon monoxide ion
436c-SiC2C2Si52YSilicon dicarbide
437C3OC3O52YYTricarbon monoxide
438C4H4+C4H4+52Ycyc-C4H4+; H2C=(cyc-C3H2)+
439SiC2+C2Si+52YSilicon dicarbide ion
44034SOOS52YSulphur monoxide
441HC315NC3H15N52Cyanoacetylene
442HC3NH+C3H2N+52YYProtonated cyanoacetylene
443CrHCrH53
444HC3O+C3HO+53YHCCCO+; C3HO+
445SiC2H+C2HSi+53YHCCSi+; C2HSi+
446CH2CHCNC3H3N53YYVinyl cyanide; acrylonitrile; C2H3CN
447AlNCAlCN53YAluminium isocyanide
448CH2CHCN+C3H2N+53YVinyl cyanide ion
449NCCNH+C2HN2+53YProtonated cyanogen
450C2H3CN+C3H3N+53
451C4H5+C4H5+53YBut-2-yn-1-yl ion; 1-Butyn-3-yl ion
452SiC2HC2HSi53YC2HSi; HCCSi
453SiNC+CNSi+54YSilicon monocyanide ion; SiCN+
454SiC2H2C2H2Si54Ycyc-HC=CHSi; H2C=C=Si; HCCSiH; cyc-H2SiCC; C2H2Si
455SiCNCNSi54YSilicon cyanide
456H4C3N+C3H4N+54Propenaldimine-1-yl ion; C3H4N+
457H2CCCOC3H2O54Propadienone
458SiNCCNSi54YYSilicon isocyanide
459C3H2O+C3H2O+54YPropynal ion
460SiC2H2+C2H2Si+54Ysee SiC2H2
461HC2CHOC3H2O54YPropynal
462CH2CHCNH+C3H4N+54Y
463CH2CHCHCH2C4H654Y
464C4H6C4H6541,3-butadiene
465C2H5CNC3H5N55Proprionitrile, ethyl cyanide
466C4H7+C4H7+55Y
467CCPC2P55YDicarbon phosphide; C2P
468CCP+C2P+55YDicarbon phosphide ion; C2P+
469KOKO55
470SiC2H3+C2H3Si+55YC2H3Si+; SiH2CCH
471SiNCH+CHNSi+55Ycyc-(HCSiN)+; HCNSi+; HSiNC+; HSiCN+; CHNSi+
472MnMn55Manganese
473H3C3O+C3H3O+55YProtonated propynal
474CH3CH2CNC3H5N55YYEthyl cyanide; propionitrile; C2H5CN
475Fe+Fe+56YIron ion
476C2S+C2S+56YC2S ion
477FeFe56YIron
478C2H5CNH+C3H6N+56Y
479HC2PC2HP56Y
480HC2P+C2HP+56Y
481Si2Si256
482KOHHKO56
483C3H4OC3H4O56YPropenal; Acrolein
484C2SC2S56YYC2S radical; CCS
485C4H8C4H8561-butene
486CaOCaO56
487MgSMgS56
488MnHHMn56
489HC2S+C2HS+57YHCCS+; HSCC+
490PC2H2+C2H2P+57Y
491CaOHCaHO57
492KFFK58
493MgO2H2H2MgO258
494CH3COCH3+C3H6O+58YAcetone ion
495CH3COCH3C3H6O58YYAcetone C2H6CO
496PC2H3+C2H3P+58YCH3CP+; C2H3P+
497NaClClNa58YSodium chloride
498CH3CH2CHOC3H6O58YPropanal, propionaldehyde
499C4H10C4H1058Isobutane
500NiNi59Nickel
501AlO2AlO259
502CH3CS+C2H3S+59Y
503AlSAlS59
504HNCSCHNS59YThioisocyanic acid
505H2PCNCH2NP59Cyanophosphine
506CaFCaF59
507PC2H4+C2H4P+59Y
508CH3COCH4+C3H7O+59YProtonated acetone; Ethyl, 1-methoxy-, ion; C3H7O+
509MgClClMg59
510C5+C5+60YC5 ion
511NH2CONH2CH4N2O60Urea
512CH3COOHC2H4O260YAcetic acid
513CH2OHCHOC2H4O260YGlycolaldehyde
514Na37ClClNa60YSodium chloride
515C5C560YYC5 radical
516COSCOS60
517NH2COHNHCH4N2O60Isourea
518CH3OC2H5C3H8O60Methyl ethyl ether
519OCS+COS+60YCarbonyl sulphide ion
520HCOOCH3C2H4O260YYMethyl formate
521C5-C5-60Y
522AlO2HAlHO260
523SiO2O2Si60YSilicon oxide; Silicon dioxide; O2Si
524COOCH4+C2H4O2+60YAcetic acid ion; Methyl formate ion; C2H4O2+
525OCSCOS60YYCarbonyl sulphide
526SiSSSi60YYSilicon sulphide
527SiS+SSi+60YSilicon sulphide ion
528NiHHNi60
529C5H-C5H-61Y
530C5HC5H61YYPentynylidyne radical
531O13CSCOS61YCarbonyl sulphide
532ScOOSc61
533HSiS+HSSi+61YProtonated silicon sulphide
534H5C2O2+C2H5O2+61YProtonated methyl formate; C2H5O2+
535C5H+C5H+61YPentynylidyne ion
536HOCS+CHOS+61YCHOS+
537HSiO2+HO2Si+61YProtonated silicon dioxide
538C4NC4N62YCyanopropynylidene
539MgF2F2Mg62
540P2P262
541AlClAlCl62YAluminium chloride
542C5H2+C5H2+62YHC5H+
543C4N+C4N+62YCyanopropynylidene ion
544TiNNTi62
545C5H2C5H262YHC5H
546NO3NO362
547AlOFAlFO62
548HOCH2CH2OHC2H6O262YEthylene glycol
549OC34SCOS62YCarbonyl sulphide
55018OCSCOS62YCarbonyl sulphide
551PSPS63
552HC4N+C4HN+63YProtonated cyanopropynylidene
553HNO3HNO363
554C5H3+C5H3+63Y
555HC4NHC4N63Y
556H2C4N+C4H2N+64Y
557SO2O2S64YYSulphur dioxide
558Al37ClAlCl64YAluminium chloride
559SO2+O2S+64YSulphur dioxide ion
560S2+S2+64YDiatomic sulphur ion
561CuCu64Copper
562TiOOTi64Titanium Oxide
563CH3C4HC5H464YYMethyldiacetylene
564CH3C4H+C5H4+64YMethyldiacetylene ion
565SiC3C3Si64YY
566SiC3+C3Si+64Y
567S2S264YYDiatomic sulphur
568C5H5+C5H5+65YCyclopentadienyl or Pent-1-en-4-yn-3-yl rad. ion
569AlF2AlF265
570CH3C3NC4H3N65YYMethylcyanoacetylene
571CH3C3N+C4H3N+65YMethylcyanoacetylene ion
572CH3C2NCC4H3N65Methylisocyanoacetylene
57333SO2O2S65YSulphur dioxide
574HC4O+C4HO+65
575HS2HS265Y
576SiC3HC3HSi65Y
577HS2+HS2+65Y
578HSO2+HO2S+65YProtonated sulphur dioxide; HO2S+
579SiC3H+C3HSi+65Y
580CuHCuH65
581SiC3H2+C3H2Si+66Y
582SiH3ClClH3Si66
583CH3C3NH+C4H4N+66YH4C4N+
58434SO2O2S66YSulphur dioxide
585H2S2+H2S2+66YDihydrogen disulphide ion; HSSH+
586H2S2H2S266YDihydrogen disulphide; Hydrogen persulphide; HSSH
587SO18OO2S66YSulphur dioxide
588NCCNCH3+C3H3N2+67Y
589H3S2+H3S2+67Y
590TiFFTi67
591VOOV67Vanadium monoxide
592C3PC3P67Y
593CH2CHCH2CNC4H5N67Allyl cyanide
594CH3CHCHCNC4H5N67Crotonitrile
595CH2CCH3CNC4H5N67Methacrylonitrile
596C3O2C3O268
597Si2CCSi268
598PC3H+C3HP+68Y
599CrOCrO68
600C3S+C3S+68YC3S ion
601C3SC3S68YYC3S radical
602HC3S+C3HS+69Y
603C3H7CNC4H7N69Butyronitrile
604Al2OAl2O70
605MnOMnO71
606CH3CH2CH2CH2CH3C5H1272Pentane
607C6C672YCarbon hexamer; cyc-C6
608CaSCaS72
609C6-C6-72Y
610C6+C6+72YCarbon hexamer ion
611FeOFeO72YIron Oxide
612C6H-C6H-73Y
613C6H+C6H+73YHexatriynyl ion
614C6HC6H73YYHexatriynyl radical
615C6H2C6H274YYHexapentaenylidene; H2C6
616C5N-C5N-74Y
617CaO2H2CaH2O274
618KClClK74YPotassium chloride
619C5NC5N74YYCyanobutadiynyl radical
620HCCCCCCHC6H274YTriacetylene
621C5N+C5N+74Y
622C2H5OC2H5C4H10O74Diethyl ether; (C2H5)2O
623C6H2+C6H2+74YTriacetylene ion
624C6H3+C6H3+75Y
625NiONiO75
626NH2CH2COOHC2H5NO275YGlycine
627FeFFFe75
628CaClCaCl75
629HC5N+C5HN+75YCyanobutadiyne ion
630HC5NC5HN75YYCyanobutadiyne
631C6H4+C6H4+76Y
632C5OC5O76
633C4N2C4N276Dicyanoacetylene
634DC5NC5DN76YDeuterated cyanodiacetylene
635CS2CS276
636SiC4+C4Si+76YC4Si+
637SiC4C4Si76YYC4Si
638HC5NH+C5H2N+76Y
639H2C5N+C5H2N+76Protonated cyanobutadiyne
640ScO2O2Sc77
641H3C5N+C5H3N+77Ycyc-C5H3N+
642C6H5+C6H5+77Y
643SiC4H+C4HSi+77Y
644ScSSSc77
645C6H6C6H678YYBenzene
646C5H4N+C5H4N+78
647CaF2CaF278
648C6H6+C6H6+78YBenzene ion
649AlOClAlOCl78
650C4PC4P79Y
651C4P+C4P+79Y
652C6H7+C6H7+79YProtonated benzene
653C4SC4S80Y
654SO3O3S80
655TiO2O2Ti80
656TiSSTi80
657C4S+C4S+80Y
658BrBr80Bromine
659CuOCuO80
660PC4H+C4HP+80Y
661AlClFAlClF81
662HBrBrH81
663HC4S+C4HS+81Y
664PC4H2+C4H2P+81
665VO2O2V83Vanadium dioxide
666TiClClTi83
667TiOFFOTi83
668C7+C7+84Y
669AlF3AlF384
670C7-C7-84Y
671CrO2CrO284
672C7C784Y
673C7H+C7H+85Y
674C7H-C7H-85Y
675C7HC7H85YYC7H radical
676C7H2+C7H2+86YHC7H+
677C6H14C6H1486Hexane
678C7H2C7H286YHC7H
679TiF2F2Ti86
680Al2O2Al2O286
681C7H3+C7H3+87Y
682MnSMnS87
683C7H4+C7H4+88Y
684SrSr88Strontium
685FeSFeS88Iron sulphide
686CH3C6HC7H488Y
687C7H5+C7H5+89Y
688CH3C5NC6H3N89YHexa-2,4-diynenitrile
689SrHHSr89
690YY89Yttrium
691CH3C5NH+C6H4N+90YCyanocyclopentadienyl radical ion; H4C6N+
692FeO2H2FeH2O290
693ZrZr91Zirconium
694FeClClFe91
695C5SC5S92
696N2O4N2O492
697ZrHHZr92Zirconium hydride
698FeF2F2Fe94
699MgCl2Cl2Mg94
700C8-C8-96Y
701C8+C8+96Ycyc-C8+
702C8C896Ycyc-C8
703CuSCuS96
704C8HC8H97YY
705AlCl2AlCl297
706C8H-C8H-97Y
707C8H+C8H+97Y
708C8H2C8H298Y1,3,5,7-Octatetrayne
709C7N+C7N+98Y
710H2SO4H2O4S98
711C8H2+C8H2+98Y
712C7NC7N98Y
713HC7NC7HN99YYCyanohexatriyne
714C8H3+C8H3+99Y
715HC7N+C7HN+99YCyanohexatriyne ion
716H2C7N+C7H2N+100YProtonated cyanohexatriyne
717C8H4+C8H4+100Y
718CrO3CrO3100
719C8H5+C8H5+101Y
720H3C7N+C7H3N+101Y
721NaBrBrNa103
722MgBrBrMg104
723SrOOSr104
724SrOHHOSr105
725ZrNNZr105Zirconium nitride
726YOOY105Yttrium monoxide
727SrFFSr107
728ZrOOZr107Zirconium monoxide
729C9-C9-108Y
730C9C9108Y
731C9+C9+108Y
732C9H+C9H+109Y
733C9H-C9H-109Y
734C9HC9H109Y
735C9H2+C9H2+110YHC9H+
736ZrFFZr110Zirconium fluoride
737CaCl2CaCl2110
738C9H2C9H2110YHC9H
739C9H3+C9H3+111Y
740C9H4+C9H4+112Y
741C9H5+C9H5+113Y
742CH3C7NC8H3N113Y
743CH3C7NH+C8H4N+114Y
744TiCl2Cl2Ti118
745KBrBrK119
746C10-C10-120Y
747SrSSSr120
748CaBrBrCa120
749C10+C10+120Ycyc-C10+
750C10C10120Y
751YO2O2Y121Yttrium dioxide
752YSSY121Yttrium monosulphide
753C10H+C10H+121Y
754C10HC10H121Y
755C10H-C10H-121Y
756C10H2+C10H2+122Y
757SrO2H2H2O2Sr122
758C9NC9N122Y
759C10H2C10H2122Y
760C9N+C9N+122Y
761SrClClSr123
762HC9NC9HN123YYCyanooctatetrayne
763ZrO2O2Zr123Zirconium dioxide
764HC9N+C9HN+123YCyanooctatetrayne ion
765ZrSSZr123Zirconium sulphide
766C10H3+C10H3+123Y
767H2C9N+C9H2N+124YProtonated cyanooctatetrayne
768H3C9N+C9H3N+125Y
769SrF2F2Sr126
770ZrClClZr126Zirconium chloride
771FeCl2Cl2Fe126
772C10H8C10H8128Napthalene
773ZrF2F2Zr129Zirconium difluoride
774AlCl3AlCl3132
775C11C11132Y
776C11+C11+132Y
777Na2SO4NaO4S2142
778HC11NC11HN147YCyanodecapentayne
779C12H8C12H8152Acenaphthylene
780C12H10C12H10154Biphenyl
781SrCl2Cl2Sr158
782ZrCl2Cl2Zr161Zirconium dichloride
783C13H10C13H10166Fluorene
784K2SO4K2O4S174
785C14H10C14H10178Anthracene
786MgBr2Br2Mg184
787C14H9CH3C15H12192Methylanthracene
788CaBr2Br2Ca200