Crystal structure at 100 K of bis­[1,2-bis­(di­phenyl­phosphan­yl)ethane]­nickel(II) bis­(tri­fluoro­methane­sulfonate): a possible negative thermal expansion mol­ecular material

Cano-Bentez C.A.; Metta-Magaa A.J.; Duarte-Ruiz .

首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure at 100 K of bis[1,2-bis(diphenylphosphanyl)ethane]nickel(II) bis(trifluoromethanesulfonate): a possible negative thermal expansion molecular material

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Crystal structure at 100 K of bis[1,2-bis(diphenylphosphanyl)ethane]nickel(II) bis(trifluoromethanesulfonate): a possible negative thermal expansion molecular material

机译：双[1,2-双（二苯基膦烷基）乙烷]镍（II）双（三氟甲磺酸盐）在100 K时的晶体结构：可能是负热膨胀分子材料

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In the title salt, [Ni(C26H24P2)2](CF3SO3)2 or [Ni(dppe)2]2+·(OTf−)2 [dppe = 1,2-bis(diphenylphosphanyl)ethane and OTf− = trifluoromethanesulfonate], the Ni atom (site symmetry overline{1}) has a square-planar geometry with the bidentate ligands chelating the metal. As a result of the steric hindrance of the phenyl rings, the counter-ions are blocked from the metal coordination sphere. The dynamic disorder of the anion existing at 296 K is reduced at 100 K and based on these two temperatures, negative thermal expansion behaviour is observed.

机译：在标题盐中，[Ni（C26H24P2）2]（CF3SO3）2或[Ni（dppe）2] 2 +·（OTf-）2 [dppe = 1,2-双（二苯基膦基）乙烷，OTf- =三氟甲磺酸盐] ，Ni原子（位点对称 overline {1}）具有正方形平面的几何形状，其双齿配体与金属螯合。由于苯环的空间位阻，抗衡离子被阻止与金属配位球接触。在296 atK处存在的阴离子的动态紊乱在100 K处降低，并且基于这两个温度，观察到负的热膨胀行为。

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《Acta Crystallographica Section E: Crystallographic Communications》 |2018年第11期|共4页
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Cano-Bentez C.A.; Metta-Magaa A.J.; Duarte-Ruiz .;
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中图分类晶体学;
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100 KRTDPPESQUARE-PLANAR GEOMETRYNEGATIVE THERMAL EXPANSIONNTECRYSTAL STRUCTURE;

机译：100 KRTDPPE方形平面几何负热膨胀晶体结构;

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1. Crystal structure of diaqua[5,10,15,20-tetrakis(4-methoxyphenyl)porphyrinato-κ4N]iron(III) diaqua(18-crown-6)potassium bis(trifluoromethanesulfonate)–18-crown-6 (1/2) [J] . Ben Haj Hassen L., Denden Z., Rousselin Y., Acta Crystallographica Section E: Crystallographic Communications . 2015,第12期

机译：diaqua [5,10,15,20-四（4-甲氧基苯基）卟啉-κ4N]铁（III）diaqua（18-crown-6）双（三氟甲烷磺酸钾）–18-crown-6（1/2的晶体结构）
2. Crystal structure of diaqua[5,10,15,20-tetrakis(4-methoxyphenyl)porphyrinato-κ4N]iron(III) diaqua(18-crown-6)potassium bis(trifluoromethanesulfonate)–18-crown-6 (1/2) [J] . Ben Haj Hassen L., Denden Z., Rousselin Y., Acta Crystallographica Section E: Crystallographic Communications . 2015,第12期

机译：diaqua [5,10,15,20-四（4-甲氧基苯基）卟啉-κ4N]铁（III）diaqua（18-crown-6）双（三氟甲烷磺酸钾）–18-crown-6（1/2的晶体结构）
3. Crystal structure of diaqua[5,10,15,20-tetrakis(4-methoxyphenyl)porphyrinato-κ4N]iron(III) diaqua(18-crown-6)potassium bis(trifluoromethanesulfonate)–18-crown-6 (1/2) [J] . Ben Haj Hassen L., Denden Z., Rousselin Y., Acta Crystallographica Section E: Crystallographic Communications . 2015,第12期

机译：diaqua [5,10,15,20-四（4-甲氧基苯基）卟啉-κ4N]铁（III）diaqua（18-crown-6）双（三氟甲烷磺酸钾）–18-crown-6（1/2的晶体结构）
4. Crystal structure at 100 K of bis12-bis(diphenylphosphanyl)ethanenickel(II) bis(trifluoromethanesulfonate): a possible negative thermal expansion molecular material [O] . Cristian A. Cano-Benítez, Alejandro J. Metta-Magaña, Álvaro Duarte-Ruiz 2018

机译：双 12-双（二苯基膦基烷基）乙烷镍（II）双（三氟甲烷磺酸）的100 K晶体结构：可能的负热膨胀分子材料

Crystal structure at 100 K of bis­[1,2-bis­(di­phenyl­phosphan­yl)ethane]­nickel(II) bis­(tri­fluoro­methane­sulfonate): a possible negative thermal expansion mol­ecular material

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Crystal structure at 100 K of bis[1,2-bis(diphenylphosphanyl)ethane]nickel(II) bis(trifluoromethanesulfonate): a possible negative thermal expansion molecular material