Organometallic complexes for non-linear optics XII. Syntheses and second-order susceptibilities of (neomenthyldiphenylphosphine) gold σ-arylacetylides: X-ray crystal structures of Au( C≡CPh) (nmdpp) and Au((E)-4,4′-C≡CC6H4CH=CHC6H4NO2)(nmdpp)

Whittall, Ian R.Humphrey, Mark G.Samoc, MarekLuther-Davies, BarryHockless, David C.R.2025-06-292025-06-290022-328XORCID:/0000-0002-2747-5036/work/162946744ORCID:/0000-0002-4433-6783/work/162949524http://www.scopus.com/inward/record.url?scp=0031576316&partnerID=8YFLogxKhttps://hdl.handle.net/1885/733765545The series of complexes Au(C≡CR)(nmdpp) (R = Ph (2), 4-C6H4NO2 (3), 4,4′-C6H4C6H4NO2 (4), (Ε)-4,4′-C6H4CH=CHC6H4NO2 (5), (Ζ)-4,4′-C6H4CH=CHC6H4NO2 (6), 4,4′-C6H4C≡CC6H4NO2 (7), 4,4′-C6H4N=CHC6H4NO2 (8); nmdpp = (+)-neomenthyldiphenylphosphine) has been synthesized by reaction of AuCl(nmdpp) with the corresponding acetylene and methoxide in the presence of trace amounts of a phosphine oxide, and complexes 2 and 5 have been structurally characterized. Complexes 2-8 and analogous (triphenylphosphine)gold acetylides and precursor (phosphine)gold chlorides have been examined for their second-order bulk susceptibilities χ(2) by the Kurtz powder technique, with the largest response (ca. 2 × urea) being that from 3.We thank the Australian Research Council for support of this work. I.R.W. is the recipient of an Australian Postgraduate Research Award (Industry) and M.G.H. holds an ARC Australian Research Fellowship. Dr. S.B. Wild is thanked for the gift of some nmdpp and Mr. D. BogsAnyi for obtaining the UV-visible spectra.8enAcetylideAlkynylChiralGoldKurtzSusceptibilityOrganometallic complexes for non-linear optics XII. Syntheses and second-order susceptibilities of (neomenthyldiphenylphosphine) gold σ-arylacetylides: X-ray crystal structures of Au( C≡CPh) (nmdpp) and Au((E)-4,4′-C≡CC6H4CH=CHC6H4NO2)(nmdpp)1997-10-1710.1016/S0022-328X(97)00196-40031576316