生存环境
发表于 2025-3-23 13:16:26
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宽敞
发表于 2025-3-23 14:19:46
D. Michael P. MingosCelebrates 50 Year Anniversary Ken Wade’s 1971 Paper in Chemical Communications.Contributions from leading international chemistry academics.Demonstrates how these rules have guided chemistry research
entreat
发表于 2025-3-23 18:02:15
Structure and Bondinghttp://image.papertrans.cn/012/image/100984.jpg
老巫婆
发表于 2025-3-24 00:07:23
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POWER
发表于 2025-3-24 04:41:35
Ökobilanzierung mit Computerunterstützungompounds by recognising that bonds and lone pairs are both stereochemically active and when taken together define a spherical polyhedron. The polyhedral skeletal electron pair theory (PSEPT) developed an analogous relationship for borane and metal carbonyl polyhedral molecules. Related . and .deltah
lanugo
发表于 2025-3-24 08:15:36
Die Grundfunktionen von Umbertollaboranes owing to their high stabilities and rich chemistry. After the first isolation of the .-borate dianion . in 1959, many other .-. anions (. = 5–9, 11 and 12) were synthesized by Hawthorne, Lipscomb, Muetterties and others. However, the first crystallographic characterization of
evaculate
发表于 2025-3-24 13:50:57
Ökobilanzierung mit Computerunterstützungansition metal moieties for higher degree vertices than boron and/or carbon. The . structures with a metal at a degree 6 vertex and two fewer skeletal electrons than the corresponding . structures represent a minor deviation from such sphericity and are particularly favorable for 10-vertex systems.
oblique
发表于 2025-3-24 18:02:19
Die Grundfunktionen von Umberto reflecting the fact that the largest body of published work relates to this species. Much of the reactivity of . can conveniently be discussed with respect to four topics; . as a κ.-ligand to transition-metals, 5-membered cyclic derivatives with non-metals, deboronation–metalation chemistry and red
Pedagogy
发表于 2025-3-24 19:29:15
Berechnungsverfahren unter Umbertow uses data in the Cambridge Structural Database as a starting point to exempify the variety of 1D, 2D, and 3D-architectures that have been described featuring borane and carbaborane cages. The roles of these clusters range from ‘space fillers’ to rigid-rods (linkers) to connecting nodes. Even as ‘s
GLARE
发表于 2025-3-25 00:41:39
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