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List of molecules in interstellar space

This is a list of molecules that have been detected in the interstellar medium, as of 2003. These molecules were detected using radio telescopes to examine the spectra of interstellar clouds.

Contents
1 Diatomic
2 Triatomic
3 Four atoms
4 Five atoms
5 Six atoms
6 Seven atoms
7 Eight atoms
8 Nine atoms
9 Ten Atoms
10 Eleven Atoms
11 Twelve atoms
12 Thirteen atoms
13 See also
14 External links

Diatomic

Molecule Designation
AlF3 Aluminum fluoride
AlCl Aluminum monochloride
C2 Carbon dimer
CH Methylidyne radical
CH+ Methylidyne cation
CN Cyanogen radical
CO Carbon monoxide
CO+ Carbon monoxide cation
CP Carbon monophosphide
CS Carbon monosulfide
CSi Carborundum
H2 Molecular Hydrogen
HCl Hydrogen chloride
HF Hydrogen fluoride
NH Nitrogen monohydride
NO Nitrogen monoxide
NS Nitrogen sulfide
NaCl Sodium chloride
OH- Hydroxyl radical
PN Phosphorus nitride
SH Sulfur hydride
SO Sulfur monoxide
SO+ Sulfur monoxide cation
SiN Silicon mononitride

Triatomic

Molecule Designation
AlNC Aluminum isocyanide
C3 Carbon trimer, Cycloprop-tri-ene
C2H Ethynyl radical
C2O Carbene
C2S  
CO2 Carbon dioxide
H3+  
HCN Hydrogen cyanide
HNC Hydrogen isocyanide
HCO Formyl radical
HCO+ Formyl cation
HCS+ Thioformyl cation
HOC+ Hydroxymethylidynium
H2O Water
HDO Deuterated water
H2S Hydrogen sulfide
HNO  
MgCN Magnesium cyanide
MgNC Magnesium isocyanide
N2H+ Diazenylium
N2O Nitrous oxide
NH2  
NaCN Sodium cyanide
OCS Carbonyl sulfide
SO2 Sulfur dioxide
c-SiC2 c-Silicon dicarbide
SiCN  

Four atoms

Molecule Designation
c-C3H c-propynlidyne
l-C3H l-propynlidyne
C3N Cyanoethynyl
C3O Tricarbon monoxide
C3S Tricarbon sulfide
C2H2 Acetylene
CH2D+  
HCCN  
HCNH+ Protonated hydrogen cyanide cation
HNCO Isocyanic acid
HNCS Isothiocyanic acid
HOCO+ Protonated carbon dioxide cation
H2CN Methylene imino radical
H2CO Formaldehyde
H2CS Thioformaldehyde
H3O+ Hydronium cation
NH3 Ammonia
SiC3  

Five atoms

Molecule Designation
C5  
C4H Butadiynyl
C4N  
C4Si  
l-C3H2 l-cyclopropenyliden
c-C3H2 c-cyclopropenyliden
CH2CN Cyanomethyl
CH2NH Methylenimine
CH4 Methane
HC3N Cyanoacetylene
HC3NC  
HCOOH Formic acid
H2CHC  
H2COH+  
H2C2O Ketene
HC3N Cyanoacetylene
H2NCN Hydrogen cyanamide
SiH4 Silane

Six atoms

Molecule Designation
C5H Pentynylidyne
C2H4 Ethylene
CH3CN Acetonitrile
CH3NC Methyl isonitrile
CH3OH Methanol
CH3SH methanethiol
l-H2C4  
HC3NH+  
HC2CHO Propynal
NH2CHO Formamide

Seven atoms

Molecule Designation
C6H Hexatriynyl
CH2CHCN Acrylonitrile
CH3C2H Propyne
c-C2H4O Ethylene oxide
CH2CHOH Polyvinyl alcohol
HC5N Cyanodiacetylene
HCOCH3 Acetaldehyde
NH2CH3 Methylamine

Eight atoms

Molecule Designation
CH3C3N Methylcyanoacetylene
C7H  
CH2OHCHO Glycolaldehyde
H2C6 Hexapentaenylidene
HCOOCH3 Methyl formate

Nine atoms

Molecule Designation
CH3C4H Methyldiacetylene
CH3CH2CN Propionitrile
(CH3)2O Dimethyl Ether
CH3CH2OH n-Ethyl Alcohol
C8H  
HC7N Cyanotriacetylene

Ten Atoms

Molecule Designation
(CH3)2CO Acetone
NH2CH2COOH Glycine

Eleven Atoms

Molecule Designation
HC9N Cyanotetra-acetylene

Twelve atoms

Molecule Designation
C6H6 Benzene

Thirteen atoms

Molecule Designation
HC11N Cyanodecapentayne

See also

External links
01-04-2007 01:16:19
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