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(The correct prediction of this angle was an early success of ab initio quantum chemistry. [10]) However conversion to a linear configuration requires only 5.5 kcal/mol. [10] The singlet state has a slightly higher energy (by about 9 kcal/mol) than the triplet state, [10] and its H-C-H angle is smaller, about 102°. In dilute mixtures with an ...
The hexamethylene diamine molecule contains six methylene groups. A methylene group is any part of a molecule that consists of two hydrogen atoms bound to a carbon atom, which is connected to the remainder of the molecule by two single bonds. [1]
Methylene is the simplest carbene.. In organic chemistry, a carbene is a molecule containing a neutral carbon atom with a valence of two and two unshared valence electrons.The general formula is R−:C−R' or R=C: where the R represents substituents or hydrogen atoms.
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In organic chemistry, an alkyl group is an alkane missing one hydrogen. [1] The term alkyl is intentionally unspecific to include many possible substitutions. An acyclic alkyl has the general formula of −C n H 2n+1. A cycloalkyl group is derived from a cycloalkane by removal of a hydrogen atom from a ring and has the general formula −C n H ...
CH2 could refer to: CH2, a postcode district in the CH postcode area; Council House 2, an office building in Melbourne, Australia; CH 2, the molecular formula of ...
An outbreak of norovirus — the virulent, highly contagious stomach illness — has been reported at one of the shelters housing Los Angeles fire evacuees.. According to CBS News and CNN, at ...
This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula.This complements alternative listing at list of inorganic compounds. ...