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10.1107/S2056989019011265 http://scihub22266oqcxt.onion/10.1107/S2056989019011265 31523462/?report=reader!6727049!31523462     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Acta+Crystallogr+E+Crystallogr+Commun 2019 ; 75 (Pt 9): 1339-1343 Nephropedia Template TP {{tp|p=31523462|t=2019. Syntheses and crystal structures of 2-methyl-1,1,2,3,3-penta-phenyl-2-sila-propane and 2-methyl-1,1,3,3-tetra-phenyl-2-silapropan-2-ol |pdf=|usr=}}{{31523462}} gab.com Text Syntheses and crystal structures of 2-methyl-1,1,2,3,3-penta-phenyl-2-sila-propane and 2-methyl-1,1,3,3-tetra-phenyl-2-silapropan-2-ol JO: Acta Crystallogr E Crystallogr Commun http://www.kidney.de/pget.php?&tw=1&pmid=31523462 #FOAvip The sterically hindered silicon compound 2-methyl-1,1,2,3,3-penta-phenyl-2-sila-propane, C(33)H(30)Si (I), was prepared via the reaction of two equivalents of di-phenyl-methyl-lithium (benzhydryllithium) and di-chloro-methyl-phenyl-silane. This bis-benzhydryl-substituted silicon compound was then reacted with tri-fluoro-methane-sulfonic acid, followed by hydrolysis with water to give the silanol 2-methyl-1,1,3,3-tetra-phenyl-2-silapropan-2-ol, C(27)H(26)OSi (II). Key geometric features for I are the Si-C bond lengths that range from 1.867 (2) to 1.914 (2) A and a tau(4) descriptor for fourfold coordination around the Si atom of 0.97 (indicating a nearly perfect tetra-hedron). Key geometric features for compound II include Si-C bond lengths that range from 1.835 (4) to 1.905 (3) A, a Si-O bond length of 1.665 (3) A, and a tau(4) descriptor for fourfold coordination around the Si atom of 0.96. In compound II, there is an intra-molecular C-Hcdots, three dots, centeredO hydrogen bond present. In the crystal of I, mol-ecules are linked by two pairs of C-Hcdots, three dots, centeredpi inter-actions, forming dimers that are linked into ribbons propagating along the b-axis direction. In the crystal of II, mol-ecules are linked by C-Hcdots, three dots, centeredpi and O-Hcdots, three dots, centeredpi inter-actions that result in the formation of ribbons that run along the a-axis direction. Twit Text FOAVip Syntheses and crystal structures of 2-methyl-1,1,2,3,3-penta-phenyl-2-sila-propane and 2-methyl-1,1,3,3-tetra-phenyl-2-silapropan-2-ol ????Acta Crystallogr E Crystallogr Commun http://www.kidney.de/pget.php?&tw=1&pmid=31523462 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=31523462 #FOAvip English Wikipedia <ref>{{Cite pmid|31523462}}</ref> Syntheses and crystal structures of 2-methyl-1,1,2,3,3-penta-phenyl-2-sila-propane and 2-methyl-1,1,3,3-tetra-phenyl-2-silapropan-2-ol #MMPMID31523462 Williams A; Brown M; Staples RJ; Biros SM; Winchester WR Acta Crystallogr E Crystallogr Commun 2019[Sep]; 75 (Pt 9): 1339-1343 PMID31523462show ga The sterically hindered silicon compound 2-methyl-1,1,2,3,3-penta-phenyl-2-sila-propane, C(33)H(30)Si (I), was prepared via the reaction of two equivalents of di-phenyl-methyl-lithium (benzhydryllithium) and di-chloro-methyl-phenyl-silane. This bis-benzhydryl-substituted silicon compound was then reacted with tri-fluoro-methane-sulfonic acid, followed by hydrolysis with water to give the silanol 2-methyl-1,1,3,3-tetra-phenyl-2-silapropan-2-ol, C(27)H(26)OSi (II). Key geometric features for I are the Si-C bond lengths that range from 1.867 (2) to 1.914 (2) A and a tau(4) descriptor for fourfold coordination around the Si atom of 0.97 (indicating a nearly perfect tetra-hedron). Key geometric features for compound II include Si-C bond lengths that range from 1.835 (4) to 1.905 (3) A, a Si-O bond length of 1.665 (3) A, and a tau(4) descriptor for fourfold coordination around the Si atom of 0.96. In compound II, there is an intra-molecular C-Hcdots, three dots, centeredO hydrogen bond present. In the crystal of I, mol-ecules are linked by two pairs of C-Hcdots, three dots, centeredpi inter-actions, forming dimers that are linked into ribbons propagating along the b-axis direction. In the crystal of II, mol-ecules are linked by C-Hcdots, three dots, centeredpi and O-Hcdots, three dots, centeredpi inter-actions that result in the formation of ribbons that run along the a-axis direction. äSyntheses and crystal structures of 2-methyl-1,1,2,3,3-penta-phenyl-2(epmc).pdf DeepDyve Pubget Overpricing