1973
DOI: 10.1107/s0567740873003912
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Structure cristalline et moléculaire du sel complexe thiocyanate de plomb(II)-tétraoxa-1,7,10,16-diaza-4,13-cyclooctadécane, Pb(SCN)2.C12H26N2O4

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Cited by 40 publications
(13 citation statements)
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“…The Pb ion is almost coplanar with S(2), N(4), S(I') and the coordination of the metal is increased to nine. The Pb-S(2) distance of 2-964 (5) A is comparable with the Pb-S(CN) distances of 3.121 (3) and 2.894 (3) A found respectively in the lead cryptate C~8H36N 2-O6.Pb(SCN)2 (Metz & Weiss, 1974) Weiss, 1973). Unlike the latter compound, where localization of the 6s lone pair has been proposed, there appears to be no stereochemical activity of the Pb lone pair in the present complex.…”
supporting
confidence: 57%
“…The Pb ion is almost coplanar with S(2), N(4), S(I') and the coordination of the metal is increased to nine. The Pb-S(2) distance of 2-964 (5) A is comparable with the Pb-S(CN) distances of 3.121 (3) and 2.894 (3) A found respectively in the lead cryptate C~8H36N 2-O6.Pb(SCN)2 (Metz & Weiss, 1974) Weiss, 1973). Unlike the latter compound, where localization of the 6s lone pair has been proposed, there appears to be no stereochemical activity of the Pb lone pair in the present complex.…”
supporting
confidence: 57%
“…A comparable, though very different, crystal structure is that of the lead thiocyanate complex studied by Metz & Weiss (1973). Here too the space group is C2/c, and the lead atom lies on a twofold axis, but six contacts from lead to the ligand are nearly coplanar and in a great circle parallel to the axis.…”
Section: Tmentioning
confidence: 88%
“…In der Struktur des PbZn(NCS) 4 ist Blei oktaedrisch von sechs S-Atomen umgeben. Die Pb-SAbstände sind z.T.…”
Section: Diskussionunclassified
“…In Pb(SCN) 2 ist Blei unregelmäßig von 4 S-und 4 N-Atomen umgeben [2,3]. Daneben existieren strukturelle Untersuchungen an Blei(II)-thiocyanat mit makrocyclischen Liganden [4,5]. Die Koordinationsverhält-nisse von Pb in beiden Verbindungen sind ebenfalls unregelmäßig mit Wechselwirkungen von überwie-gend ionischer Natur.…”
Section: Introductionunclassified
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