摘要
本文解析了同位素标记的^(63)Cu-^(14)N-HAP,^(65)Cu-^(14)N-HAP,^(63)Cu-^(15)N-HAP。^(65)Cu-^(15)N-HAP,和Cu-^(15)N-HAP,等五种配合物在四氢呋喃中,在77K温度下测得的分辨较好的ESR波谱。从图上不仅得到了^(63)Cu和^(63)Cu的超精细分裂,而且还得出分辨较好的^(14)N和^(15)N的超超精细分裂。比较合理地确定了g_x,g_y,g_z;A_x^(65),A_y^(65),A_z^(65)和A_x^(63),A_y^(63),A_z^(63)以及A_∥^(15),A_⊥^(15)和A_∥^(14),A_⊥^(14)等张量参数。利用测得的波谱参数计算了键参数,并讨论了配合物的电子结构及成键特性,得到了较满意的结果。
A better resolution of ESR spectra oflabelled^(63)Cu - ^(14)N - HAP,^(65)Cu- ^(14)N -HAP, ^(63)Cu-^(15)N-HAP, ^(65)'Cu-^(15)N-HAP and Cu-^(15)N-HAP complexes in tetrahydrofuran (THF) solution, measured at 77K, was analyzed. From the spectra, we have got not only hyperfine splitting of the ^(63)Cu and ^(65)Cu ; but also very nice superhyperfine splitting arising from 14N and I5N nuclei. The gx , gy, g_z; A_x^(63) , A_Y^(63) , A_z^(63); A_x^(65) , A_Y^(65), A_z^(65); A_∥^(15) , A_⊥^(15) and A_∥^(14), A_⊥^(14) etc. tensor parameters were determined rather reasonably. The bonding parameters were calculated by using measured spectral parameters, and its electronic structure and the bonding character of these complexes are discussed, and better satisfactory results were obtained.
出处
《波谱学杂志》
CAS
CSCD
1991年第4期395-402,共8页
Chinese Journal of Magnetic Resonance
