- In
organic chemistry, a
methylene bridge,
methylene spacer, or
methanediyl group is any part of a
molecule with
formula −CH2−; namely, a
carbon atom bound...
-
unpaired electrons is
named methanediyl.
Methylene is also used as the
trivial name for the
substituent groups methanediyl (>CH 2), and
methylidene (=CH...
-
differ from a
single multiple bond. For example, a
methylene bridge (
methanediyl) has two
single bonds,
whereas a
methylidene group (methylidene) has...
-
group −CH 3
Methylene group or
methylidene =CH 2
Methylene bridge or
methanediyl −CH 2−
Methanetriyl group >CH−
Methylylidyne group ≡C− "Methanylylidene...
-
methanylidene or
methylidene one
double bond −CH 2−
methylene bridge or
methanediyl or
methdiyl two
single bonds ≡CH
methanylidyne group or
methylidyne one...
- structure-based nomenclature; in such
cases IUPAC recommends poly(methylene) (poly(
methanediyl) is a non-preferred alternative). The
difference in
names between the...
-
other atom.
Methylene group or
methylidene =CH 2
Methylene bridge or
methanediyl −CH 2−
Methine group, methylylidene, or
methanylylidene =CH− Methanetriyl...
- the two-carbon
ethylidene unit is
longer than two
separate one-carbon
methanediyl units.
Using the
shortest path in
order of
decreasing precedence of subunits...
-
diradical states that
include the
ground state is
named carbon(2•) or λ2-
methanediyl. The 1D2 and 1S0
states lie 121.9 kJ mol−1 and 259.0 kJ mol−1
above the...
- carboxamide, carboxylate, hydrazide,
methanone (ketone), ethanone,
methanediyl (methylene bridge), or methine... ...(5) any
compound containing a core...
