Synthesis and crystal structure of sodium ammonium dimeric (citrato)dioxovanadium(V) Na_2(NH_4)_4[VO_2(cit)]_2 centre dot 6H_2O

ZHOU Zhaohui; WAN Huilin; CAI Qirui

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Synthesis and crystal structure of sodium ammonium dimeric (citrato)dioxovanadium(V) Na_2(NH_4)_4[VO_2(cit)]_2 centre dot 6H_2O

机译：钠二聚（柠檬酸）二氧钒钠（V）Na_2（NH_4）_4 [VO_2（cit）] _ 2中心点6H_2O的合成及晶体结构

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Recent crystallographic analysis of the metal centers in the nitrogenase molybdenum-iron protein with 0.22 and 0.27 nm resolution revealed the structural model of FeMo-cofactor as a cage-like cluster, in which molybdenum is chelated by hydroxy- and carboxylate ligands of homocitrate. It is deduced that the homocitrate may be important for the substrate reduction mechanism. Considering that the central molybdenum of nitrogenase can be replaced by vanadium, for better understanding the importance of homocitrate to the substrate mechanism, here the authors report the synthesis, spectra and crystal structure of a dimeric (citrato)oxovanadium(V) complex, in which vanadium is coordinated bidentately by the oxygen atoms of hydroxy- and carboxylate ligand in citrate anion.

机译：最近对0.22和0.27 nm分辨率的固氮酶钼铁蛋白中金属中心的晶体学分析显示，FeMo辅因子为笼状簇的结构模型，其中钼被纯柠檬酸盐的羟基和羧酸盐配体螯合。可以推断，均柠檬酸盐对于底物还原机理可能是重要的。考虑到氮酶的中心钼可以被钒代替，为了更好地理解均柠檬酸盐对底物机理的重要性，在此作者报告了二聚（柠檬酸）氧钒（V）配合物的合成，光谱和晶体结构，其中钒由柠檬酸根阴离子中的羟基和羧酸根配体的氧原子进行二齿配位。

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来源
《Chinese science bulletin》 |1995年第9期|共4页
作者
ZHOU Zhaohui; WAN Huilin; CAI Qirui;
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正文语种 eng
中图分类自然科学现状及发展;
关键词
citric acid; citrate; oxovanadium(V); vanadate(V);

机译：柠檬酸;柠檬酸盐;氧钒（V）;钒酸盐（V）;

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1. Synthesis and crystal structure of sodium ammonium dimeric (citrato)dioxovanadium(V) Na_2(NH_4)_4[VO_2(cit)]_2 centre dot 6H_2O [J] . ZHOU Zhaohui, WAN Huilin, CAI Qirui Chinese science bulletin . 1995,第9期

机译：钠二聚（柠檬酸）二氧钒钠（V）Na_2（NH_4）_4 [VO_2（cit）] _ 2中心点6H_2O的合成及晶体结构
2. Synthesis and Redetermination of the Crystal Structure of Ammonium mu-Hydroxobis(oxodiperoxovanadate(V)) Monohydrate (NH_4)_3[{VO(O_2)_2}_2(mu-OH)] centre dot H_2O [J] . V. K. Borzunov, L. Kh. Minacheva, V.S. Sergienko Russian Journal of Inorganic Chemistry . 2002,第12期

机译：一水合羟基双（过氧过氧钒酸盐（V））铵（NH_4）_3 [{VO（O_2）_2} _2（mu-OH）]中心点H_2O的合成和晶体结构的重新测定
3. Synthesis, Properties, and Crystal Structure of Diphenylguanidinium Bis(citrato)germanate Hydrate (HDphg)_2[Ge(HCit)_2] centre dot 1.08H_2O [J] . I. I. Seifullina, A. G. Pesaroglo, L. Kh. Minacheva Russian Journal of Inorganic Chemistry . 2007,第4期

机译：双（锗酸双锗酸盐）水合物（HDphg）_2 [Ge（HCit）_2]中心点1.08H_2O的合成，性质和晶体结构
4. Synthesis and Control of ZnS Nanodots and Nanorods with Different Crystalline Structure from an Identical Raw Material Solution and the Excitonic UV Emission [C] . Masato Uehara, Satoshi Sasaki, Yusuke Nakamura, Microelectromechanical systems-materials and devices IV . 2010

机译：相同原料溶液和激子UV发射合成不同晶体结构的ZnS纳米点和纳米棒
5. Crystal structures of sodium- lithium- and ammonium 45-dihydroxybenzene-13-disulfonate (tiron) hydrates [O] . Corey J. Herbst-Gervasoni, Michael R. Gau, Michael J. Zdilla, 2018

机译：45-二羟基苯-13-二磺酸盐（钛）水合物的钠锂和铵的晶体结构
6. Crystal structure of aqua(citric acid)(hydrogen citrato)calcium monohydrate, Ca(HC6H5O7)(H3C6H5O7)(H2O)·H2O, from synchrotron X-ray powder data, and DFT-optimized crystal structure of existing calcium hydrogen citrate trihydrate, Ca(HC6H5O7)(H2O)3 [O] . James A. Kaduk 2020

机译：水族结构（柠檬酸）（柠檬酸氢）钙一水合物，Ca（HC6H5O7）（H3C6H5O7）（H2O）·H 2 O，来自同步氧化钇粉末数据和DFT优化的柠檬酸钙三水合物的柠檬酸钙晶体结构，Ca（HC6H5O7）（H2O）3

Synthesis and crystal structure of sodium ammonium dimeric (citrato)dioxovanadium(V) Na_2(NH_4)_4[VO_2(cit)]_2 centre dot 6H_2O

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