According to VSEPR theory, the terminal atom locations (Xs in Figure 6) are equivalent within the linear, trigonal planar, and tetrahedral electron-pair geometries (the first three rows of the table). It does not matter which X is replaced with a lone pair, because the molecules can be rot...
A series of Hofmann type clathrates with a general formula: M(NH3)2M′(CN)4·2G, where M ∈ {Ni, Mn, Cd}, M′ ∈ {Ni, Pd}, while G is benzene or thiophene, were prepared and their Raman and far-infrared spectra were recorded in the region 650–50 cm−1. The main bands of...
The molecular weight of the resultant polymer is decreased by adding to the reaction mixture, in a concentration between about 0.5-25 wt. %, a compound having the structural formula ##STR1## wherein each R is independently methyl, C 2 -4 alkyl or phenyl, and n is from 1 to 100....
The reaction of NiSO4·6H2O and DPDS in methanol solutions at room temperature yielded light blue powder of SOFOUR-DPDS-Ni with the chemical formula of Ni(DPDS)2SO4(Fig.1c, see methods for details). Note that the synthesis must be conducted under anhydrous conditions as H2O molecules posses...
12. A method of using a compound as a molecular motor that can be driven by light to produce directional motion, comprising the step of: introducing light to a compound to produce directional motion, where the compound is defined by formula (2): wherein: Cb is a carbocyclic or heterocyclic...
oflh0, which is the mean amplitude; for the intensity formula structural parameters such aslmand κ are also formulated. From numerical comparison it is revealed that the intensity formula, withlm0and κ0which are independent ofs, gives doubtful accuracy fors> 1.5lh0−1in the case of a ...
The molecular weight of the resultant polymer is decreased by adding to the reaction mixture, in a concentration between about 0.5-25 wt.%, a compound having the structural formula: wherein each R is independently methyl, C alkyl or phenyl, and n is from 1 to 100.Langsam Michael...
Molecular dynamics simulation of diffusion of gases in pure and silica-filled poly(1-trimethylsilyl-1-propyne) [PTMSP]. Polymer 2006, 47, 5206–5212. [CrossRef] 54. Rao, K.; Kundu, T.; Parker, S. Molecular Modeling of Mineral Surface Reactions in Flotation; CRC Press: New York, NY, ...