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materials feature isolated carbon centers,
often described as "C4−", in the
methanides or methides; two-atom units, "C2−2", in the acetylides; and three-atom...
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covalent bond (−CH3), it can be
found on its own in any of
three forms:
methanide anion (CH−3),
methylium cation (CH+3) or
methyl radical (CH• 3). The anion...
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Methyllithium Names IUPAC name
Methyllithium Other names Lithium methanide Identifiers CAS
Number 917-54-4 Y 3D
model (JSmol)
Interactive image Beilstein...
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alkyl group, it is
named according to the
alkyl group's anion: i.e. 1,2-
methanide shift, 1,2-ethanide shift, etc. A 1,2-rearrangement is
often initialised...
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subsequent development of (dimethyloxosulfaniumyl)
methanide, (CH3)2SOCH2 and (dimethylsulfaniumyl)
methanide, (CH3)2SCH2 (known as Corey–Chaykovsky reagents)...
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comes in
several stoichiometries (x
differs in UCx), such as
uranium methanide (UC, CAS
number 12070-09-6),
uranium sesquicarbide (U2C3, CAS
number 12076-62-9)...
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exist as free species; many
theoretical studies predicted that even the
methanide anion CH−3
should be an
unbound species (i.e., the
electron affinity of...
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Hydroxide OH−
Water H2O
Hydronium H3O+
Azanide NH−2
Ammonia NH3
Ammonium NH+4
Methanide CH−3
Methane CH4
Methanium CH+5
Methoxide CH3O−
Methanol CH3OH Methyloxonium...
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diethynylbenzene dianions were
determined to have a
higher proton affinity. The
methanide ion CH−3 was the
strongest known base
before lithium monoxide anion was...
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Hydroxide OH−
Water H2O
Hydronium H3O+
Azanide NH−2
Ammonia NH3
Ammonium NH+4
Methanide CH−3
Methane CH4
Methanium CH+5
Methoxide CH3O−
Methanol CH3OH Methyloxonium...
