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A Theoretical Study of the Mechanism forthe Photodecomposition of AgN_3 被引量:1
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作者 SHI Shou-heng, SHI Chuan, Zhang Shao-yin and Dai Hong-yi (Dalian College of Light Industry, Dalian 116034, P. R. China) 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 2001年第2期202-206,共5页
Recently some new apparatuses have been developed to study the thermal decomposition and the photodecomposition mechanism of silver azide with some new experimental results. We anal- ysed the experimental results with... Recently some new apparatuses have been developed to study the thermal decomposition and the photodecomposition mechanism of silver azide with some new experimental results. We anal- ysed the experimental results with ab initio calculations (CASSCF, valence CI, MC-CEPA, ACPF and CEPA), assigned the spectrum structure of AgN3, plotted the potential energy curves of AgN3 and reinterpreted the photodecomposition mechanism of silver azide. The poten- tial energy curves of the two lowest singlet and the two lowest triplet valence states of AgN3 a- long AgN-NN distance R2 show that the two singlet valence states are involved in the photodisso- ciation of AgN3, proved by the two peaks at 2. 18 and 2. 23 eV which are the results of the elec- tron transition from the ground state to the two singlet valence states respectively. 展开更多
关键词 silver azide Decomposition mechanism Ab initio calculation.
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