Exact(7)
When the bond polarity is low (owing to the electronegativity of the other element being similar to that of nitrogen), multiple bonding is greatly favoured over single bonding.
If disparity of atomic size prevents such multiple bonding, then the single bond that forms is likely to be relatively weak, and the compound is likely to be unstable with respect to the free elements.
In CpTi{NC nBu tBu}Cl2, the coordination of the ketimide to the metal is approximately linear [Ti N C, 171.3(4)°] indicating that the nitrogen atom is effectively sp hybridised and suggests the possibility of Ti N multiple bonding.
The dominated peaks were observed at 3421, 2360, 1579, 1400, 1288, 1150, and 1095 cm−1 due to presence of normal polymeric –OH stretching, multiple bonding between carbon and nitrogen, aromatic nitrogen containing compounds, C H in plane bending, aromatic secondary amines, –CN stretching, and organic siloxane (Si O Si) vibrations, respectively.
Strains that showed single and multiple bonding were classified as S and M strains, while strains without explicit GbpB expression were classified as N type.
The compound is also the first example of a phosphorus species with (at least partial) multiple bonding between the two peri-atoms.
Similar(52)
Two years later he discovered that unsaturated organic compounds contain multiple bonds.
The first, already mentioned, is the presence of multiple bonds.
The excess energy results in vibrational excitation of multiple bonds and the possibility for multiple bond breaking.
Carbon with one heteroatom attached by a multiple bond.
The table includes examples of molecules that have multiple bonds.
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