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首页> 外文期刊>Acta Crystallographica, Section B. Structural Science >Structure of tris(cyclohexylammonium) phosphoenolpyruvate monohydrate and crystal chemistry of phosphoenolpyruvates
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Structure of tris(cyclohexylammonium) phosphoenolpyruvate monohydrate and crystal chemistry of phosphoenolpyruvates

机译:三(环己基铵)磷酸烯醇丙酮酸一水合物的结构和磷酸烯醇丙酮酸的晶体化学

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摘要

The crystal structure of (C_6H_(11)NH_3~+)_3.Pep~(3-).H_2O, where Pep~(3-) = (O~-)_2P(O)-O-C(CH_2)-CO_2~-, is reported and the systematic structural variations among 19 crystallographic occurrences of H3Pep, H2Pep-, HPep2- and Pep3- species, which are important phosphate donors in the ATP cycle of bio-energetics, are reviewed. Tris(cyclohexylammonium) phosphoenolpyruvate monohydrate, (C6H11NH3t")3.-[O3POC(CH2)CO2]3-.H2O, Mr = 483.6, m.p. 418-420K; r = 296(l)K; orthorhombic, P212124; a = 16.7042(5), 6 = 24.4881(6), c = 6.38910(10)A; V = 2613.49 (11) A3, Z = 4, Dx = 1.23, Dm = 1.22mgmm-3, μ - 0.14 mm-1 for λ(MoKα)=0.7107 A; F(000) = 1056 e; R(F) = 0.0608 for 6056 hkl and hkl data with (sinθ)/λ ≤ 0.65 A~(-1).
机译:(C_6H_(11)NH_3〜+)_ 3.Pep〜(3-)。H_2O的晶体结构,其中Pep〜(3-)=(O〜-)_ 2P(O)-OC(CH_2)-CO_2〜-报道了H3Pep,H2Pep-,HPep2-和Pep3-的19种晶体学发生的系统结构变异,它们是生物能学ATP循环中重要的磷酸盐供体。三(环己基铵)磷酸烯醇丙酮酸一水合物,(C6H11NH3t“)3 .- [O3POC(CH2)CO2] 3-.H2O,Mr = 483.6,mp 418-420K; r = 296(l)K;正交晶,P212124; a = 16.7042 (5),6 = 24.4881(6),c = 6.38910(10)A; V = 2613.49(11)A3,Z = 4,Dx = 1.23,Dm = 1.22mgmm-3,μ-0.14 mm-1对于λ (MoKα)= 0.7107 A; F(000)= 1056 e;对于(sinθ)/λ≤0.65 A〜(-1)的6056 hkl和hkl数据,R( F )= 0.0608。

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