نتایج جستجو برای: c h formation
تعداد نتایج: 1872650 فیلتر نتایج به سال:
The reaction between electronically excited carbon atoms, C(D), and acetylene was studied at two average collision energies of 45 kJ mol and 109 kJ mol employing the crossed molecular beam technique. The time-of-flight spectra recorded at mass to charge m/e537~C3H ! and m/e 536(C3 ) show identical patterns indicating the existence of a carbon versus atomic hydrogen exchange pathway to form C3H ...
Abstract Benzonitrile ( c -C 6 H 5 CN) has been recently detected in cold and dense regions of the interstellar medium, where it used as a signpost rich aromatic organic chemistry that might lead to production polycyclic hydrocarbons. One possible origin this benzonitrile is ice involving benzene ) nitrile molecules (organic containing −C≡N group). We have addressed plausibility CN formation pa...
In this study, we address the issues associated with predicting usefully accurate heats of formation for moderately-sized molecules such as corannulene and C(60). We obtain a high-level theoretical heat of formation for corannulene through the use of reaction schemes that conserve increasingly larger molecular fragments between the reactants and products. The reaction enthalpies are obtained by...
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