C intermolecular

Fig. 4. Relevant structures for the discussion of methane activation by (bipyrimi-dine)PtCl2 Methane complex of Pt(II) (A) methyl(hydrido)platinum(IV) complex, the product of the oxidative addition (B) transition state for intramolecular deprotonation of the methane complex ( cr-bond metathesis , sometimes also called electrophilic , C) intermolecular deprotonation of the methane complex ( electrophilic pathway , D).

Temperature Mean activation energy 1°C] Intermolecular energy change of the chain with the rotating ester Energy change of the surrounding... 

Compounds In(Me)3 and Tl(Me)3 are monomeric in solution and the gas phase. In the solid state, they also exist as monomers essentially, but close intermolecular contacts become important. In crystalline In(Me)3, significant In- -C intermolecular interactions are observed, suggesting that the structure can be described in terms of cyclic tetramers, as shown in Fig. 13.6.1(e), with interatomic distances of In-C 218 pm and In- -C 308 pm. The corresponding bond distances in isostructural Tl(Me)3 areTl-C = 230pmandTl- C = 316pm. 

Contzen J, Kostka S, Kraft R, Jung C. Intermolecular electron transfer in cytochrome P450cam covalently bound with tris(2,2 -bipyridyl)ruthenium(II) structural changes detected by FTIR spectroscopy. J Inorg Biochem 2002 91 607-17. 

Figure 4.27 (a) a-Hydrogen elimination, (b) intra- and (c) intermolecular hydrogen abstraction... 

The strongest S- -S interaction, =3.400(4) A involves the sulfur atom of the 1,3-dithiole rings while the distance between the sulfur atoms of the thiophene rings is only 3.676(4) A. Concerning the C- -C intermolecular contacts, the shorter bond lengths, C(3)-C(ll), C(6)-C(10), and C(7)-C(8), close to 3.35 A, involve the carbons of the thienylenevinylene spacer and correspond to the overlaps of the 7t-orbitals. The contribution of the sulfur-sulfur interactions of (502) to stabilize the dimers is less important than in (492). ... 

C. Intermolecular Electronic Energy Transfer Quenching of one excited-state species may result in transfer of electronic energy to the quenching species. Intermolecular energy transfer has become an important technique in photochemistry because it often permits the selective population or depopulation of one specific excited-state species. 

Finally, Nj starts to evolve at temperatures over 600 °C intermolecular elimination from relatively stable, N containing, aromatic structures, with ring condensation, may safely be assumed to be the cause ... 

Pirkle,W. H., Pochapsky,T. C. Intermolecular protonjproton] nuclear Overhauser effects in diastereomeric complexes support for a chromatographically derived chiral recognition model,/. Am. Chem. Soc., 1986,108, 5627-5628. 

How is the rate of evaporation of a liquid affected by (a) temperature, (b) the surface area of a liquid exposed to air, (c) intermolecular forces ... 

Fig. 5.2. Stereo-drawing of packing motif from the crystal structure of triketoindane. The O. .. C intermolecular contacts (2.83 A) are indicated by dashed lines...

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