Results 31 to 40 of about 3,507 (117)
Bis(catecholato-κ2O,O′)bis(dimethyl sulfoxide-κO)titanium(IV)
Acta Crystallographica Section E: Crystallographic Communications, 2022 Bis(benzene-1,2-diolato-κ2O,O′)bis(dimethyl sulfoxide-κO)titanium(IV), [Ti(C6H4O2)2(C2H6OS)2], crystallizes with two crystallographically independent molecules in the space group P21/c emulating orthorhombic Pbca symmetry (β = 90.0445 (9)°].
Nisansala Hewage +3 more
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Symmetry of Square Contingency Tables Using Simplicial Geometry
Austrian Journal of StatisticsTwo-way contingency tables illustrate the relationship between two discrete variables. Their corresponding probability tables can be regarded as an element in a simplex.
Keita Nakamura +2 more
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F-theory on quotients of elliptic Calabi-Yau threefolds
Journal of High Energy Physics, 2019 In this work we consider quotients of elliptically fibered Calabi-Yau threefolds by freely acting discrete groups and the associated physics of F-theory compactifications on such backgrounds.
Lara B. Anderson +2 more
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trans-Dibromidotetrakis(pyridine-κN)ruthenium(II)
Acta Crystallographica Section E, 2013 The title complex, [RuBr2(C5H5N)4], contains two independent complex molecules in each of which the RuII atom is located on a site of 222 symmetry and has a distorted octahedral coordination geometry with four pyridine N atoms and two Br atoms.
Xiu-Li Wu +4 more
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Di-μ-sulfato-bis{[bis(3,5-dimethylpyrazol-1-yl)methane]copper(II)}
Acta Crystallographica Section E, 2008 The molecule of the title compound, [Cu2(SO4)2(C11H16N4)2], sits on a center of symmetry. The CuII atom has a distorted trigonal–bipyramidal coordination geometry comprising three O atoms of the two symmetry-related SO42− anions and two N ...
XiuLi You, XingCong Wang, YanLi Wu
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Acta Crystallographica Section E, 2008 The title complex, [Nb(C7H12N3)4]PF6, features chelating hpp anions (hpp is 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine) that define a distorted dodecahedral coordination geometry based on an N8 donor set.
Edward R. T. Tiekink +4 more
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The General Linear Cartan Khronon
Universe, 2019 A Cartan geometry of the General Linear symmetry is formulated by dividing out the displacements from the group. The resulting action is quadratic in curvature, polynomial in all the (minimal) variables, and describes an observer space that—in the ...
Tomi Koivisto +2 more
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Química NovaThe built of qualitative energy-level molecular diagrams for different geometries of simple molecules allow to explain the preferred geometry. The diagrams are built using simple symmetry principles and explain, on basis of the number of nonbonding ...
Sérgio P. Machado, Roberto B. Faria
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Acta Crystallographica Section E, 2010 In the title compound, [Zn(SO4)(C12H8N2)2]·C3H8O2, the Zn2+ ion (site symmetry 2) is coordinated by two chelating 1,10-phenanthroline ligands and an O,O′-bidentate sulfate ion (S site symmetry 2), resulting in a distorted cis-ZnO2N4 ...
Jiang-Dong Cui +2 more
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Geometry-symmetry-free and material-symmetry-guaranteed polariton-induced transparency
iScienceSummary: Plasmon-induced transparency is a classical analogue of electromagnetically induced transparency (EIT). However, its realization and control primarily rely on geometry engineering rather than tuning plasmon polaritons (PPs) themselves, due to ...
Xingyu Tang +7 more
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