January O-Protonated CO
HOC+
O-protonated CO
February Linear C3H+
l-C3H+
l-ch3h+
March HC4N HC4N
April Methyltriacetylene
CH3C6H
CH3C6H
May sulfonium
*H3S+*
H3S+
June Magnesium Monoacetylide
MgCCH
MgCCH
July Lithium Hydride
LiH
LiH
August Ethanimine
CH3CHNH
CH3CHNH
September Isocyanoacetylene
HCCNC
isocyanoacetylene
October Octatetraynyl anion
C8H
octatetraynyl anion
November Sulfanylium cation
SH+
sulfanylium cation
December Sulfuric Acid
H2SO4
sulfanylium cation
red stars * indicate a non-detection
The Astrochymist homepage
Maintained by DE Woon