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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >S-, X-, Q- und W-Band-Pulver-EPR-Untersuchungen an Ttetra-n-butylammonium-bis (1, 2-dicyanoethen-1, 2-dithiolato) aurat (II), [(n-C_4H_9)_4N]_2 [Au~(II)(mnt)-2]
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S-, X-, Q- und W-Band-Pulver-EPR-Untersuchungen an Ttetra-n-butylammonium-bis (1, 2-dicyanoethen-1, 2-dithiolato) aurat (II), [(n-C_4H_9)_4N]_2 [Au~(II)(mnt)-2]

机译:S-,X-,Q-和W波段粉末EPR研究T-正丁基铵-双(1,2-dicyanoethen-1,2-dithiolato)金酸酯(II),[(n-C_4H_9) _4N] _2 [Au〜(II)(mnt)-2]

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摘要

Powder-EPR studies at T = 295 K and T = 12 K on the unstable gold (II) complex [(n-C_4H_9)_4N]_2 [Au~(II)(mnt)-2] diamagnetically diluted by the corresponding Ni~(II) complex are reported. Due to (i) the small anisotropy of the g and the ~(197)Au hyperfine tensor A~(Au), and (ii) the large ~(197)Au quadrupole interaction the powder spectra possess a very complex pattern. Using different EPR frequencies-S band (2.4 GHz), X band (9.5 GHz), Q band (35 GHz) and W band (94 GHz)-the spectra could be analyzed successfully. All spectra were simulated with a computer program which diagonalizes the spin-Hamiltonian matrix exactly.
机译:在不稳定的金(II)络合物[(n-C_4H_9)_4N] _2 [Au〜(II)(mnt)-2]上被相应的Ni〜2磁性稀释,在T = 295 K和T = 12 K时进行粉末EPR研究(二)复合物报道。由于(i)g的较小各向异性和〜(197)Au超精细张量A〜(Au),以及(ii)大〜(197)Au四极相互作用,粉末光谱具有非常复杂的模式。使用不同的EPR频率-S波段(2.4 GHz),X波段(9.5 GHz),Q波段(35 GHz)和W波段(94 GHz),可以成功地分析频谱。使用计算机程序模拟所有光谱,该程序精确地对角旋转了自哈密顿矩阵。

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