X-RAY PHOTOELECTRON-SPECTROSCOPY INSIGHT INTO THE COORDINATION MODES OF CYANATE IN COPPER(II) COMPLEXES

被引:5
作者
DAGNANO, A
GARGANO, M
MALITESTA, C
RAVASIO, N
SABBATINI, L
机构
[1] Dipartimento di Chimica, Universita' degli Studi, 70126 Bari
[2] Centro CNR Metodologie Innovative di Sintesi Organiche, Dipartimento di Chimica, Universita' degli Studi, 70126 Bari
[3] Dipartimento di Chimica, Universita' degli Studi, 70126 Bari
[4] Centro CNR Metodologie Innorative di Sintesi Organiche, Dipartimento di Chimica, Universita' degli Studi, 70126 Bari
[5] Dipartimento di Chimica, Universita' degli Studi, 70126 Bari
关键词
D O I
10.1016/0368-2048(91)85040-Z
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
Some copper (II) cyanato complexes have been synthesised and characterised by elemental analysis, IR spectroscopy and X-ray photoelectron spectroscopy. Modified Auger parameters (alpha') have been evaluated and correlated with crystallographic and/or IR information on the coordination mode of cyanate to copper (II). The following trend has been found for alpha' values: high values (higher than 1850 eV) for bridging coordination mode and low values (lower than 1844 eV) for non-bridging structures. Final-state relaxation effects, related to a strong interaction between copper centres in bridging structures, are invoked to explain the trend of alpha' values in the various complexes.
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页码:213 / 224
页数:12
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