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Title: Solid-state syntheses of M-Cu-S (M = Mo and W) clusters, crystal structure and non-linear optical properties of {MS4[Cu(p-MeOC6H4)3P] 2}·0.5C6H12
Authors: Zheng, H.-G.
Zhou, J.-L.
Tan, W.-L.
Niu, Y.-Y.
Ji, W. 
Xin, X.-Q.
Keywords: Crystal structures
Mo(W)-Cu-S cluster
Non-linear absorption
Non-linear refraction
Solid-state reaction
Issue Date: 25-Nov-2002
Citation: Zheng, H.-G., Zhou, J.-L., Tan, W.-L., Niu, Y.-Y., Ji, W., Xin, X.-Q. (2002-11-25). Solid-state syntheses of M-Cu-S (M = Mo and W) clusters, crystal structure and non-linear optical properties of {MS4[Cu(p-MeOC6H4)3P] 2}·0.5C6H12. Inorganica Chimica Acta 340 : 29-34. ScholarBank@NUS Repository.
Abstract: The title compounds {MS4[Cu(p-MeOC6H4)3P] 2}·0.5C6H12 [M = Mo (1) or W (2)] were synthesized for non-linear optical studies by a solid state reaction of (NH4)2MS4, CuI and (p-MeOC6H4)3P. A single crystal X-ray analysis reveals that 1 possesses a linear skeleton with a Mo center slightly distorted from tetrahedron and two Cu centers distorted from trigonal planar. The non-linear optical properties of 1 were investigated by the Z-scan and picosecond time-resolved pump-probe measurements at 532 nm. The results obtained revealed that thermally induced non-linear effect was dominant in the nanosecond time-scale while stimulated Rayleigh-wing scattering was observed in the picosecond measurement. Its non-linear refractive index was determined to be - 3.52 × 10-17 m2 W-1 for nanosecond time-scale and 4.32 × 10-19 m2 W-1. Nonlinear optical properties of compound 2 were investigated at same condition similar to 1, no non-linear optical behavior was observed for 2, although it might have a similar structure to that of compound 1. © 2002 Elsevier Science B.V. All rights reserved.
Source Title: Inorganica Chimica Acta
ISSN: 00201693
DOI: 10.1016/S0020-1693(02)01057-5
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