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Description
| - The Red crystals of [PPh4]2[Se2Br6(Se2Br2)2] (1) were obtained when selenium and bromine reacted in the solution of acetonitrile in the presence of tetraphenylphosphonium bromide. The crystal structure of 1 has been determined by X-ray diffraction and refined to R = 0.0201 for 4024 reflections. The crystals are triclinic, space group P-1 with Z = 2 and a = 11.2757(4) A, b = 12.3347(5) A, c = 12.4948(5) A, = 113.152(4)deg, = 114.745(4)deg, = 91.208(3)deg (120(2) K). In the solid state the anion of 1 is built up of the Se2Br6 core and two Se2Br2 molecules each of which is linked to one of the trans-positioned terminal Brt atoms of the Se2Br6 core. The central Se2Br6 part consists of a nearly planar arrangement of two planar SeBr4 units sharing a common edge through two 2-bridging Br atoms. The contact between the Brt and the SeI atom of the Se2Br2 molecule is 3.0872(5) A and can be interpreted as a bond of the donor-acceptor type with the Brt as donor and the Se2Br2 molecule as acceptor.
- The Red crystals of [PPh4]2[Se2Br6(Se2Br2)2] (1) were obtained when selenium and bromine reacted in the solution of acetonitrile in the presence of tetraphenylphosphonium bromide. The crystal structure of 1 has been determined by X-ray diffraction and refined to R = 0.0201 for 4024 reflections. The crystals are triclinic, space group P-1 with Z = 2 and a = 11.2757(4) A, b = 12.3347(5) A, c = 12.4948(5) A, = 113.152(4)deg, = 114.745(4)deg, = 91.208(3)deg (120(2) K). In the solid state the anion of 1 is built up of the Se2Br6 core and two Se2Br2 molecules each of which is linked to one of the trans-positioned terminal Brt atoms of the Se2Br6 core. The central Se2Br6 part consists of a nearly planar arrangement of two planar SeBr4 units sharing a common edge through two 2-bridging Br atoms. The contact between the Brt and the SeI atom of the Se2Br2 molecule is 3.0872(5) A and can be interpreted as a bond of the donor-acceptor type with the Brt as donor and the Se2Br2 molecule as acceptor. (en)
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Title
| - Synthesis and Crystal Structure of Bis(tetraphenylphosphonium) Hexabromo-diselenate(II)-bis{dibromodiselenate(I)}, [PPh4]2[Se2Br6(Se2Br2)2], the Salt of a Mixed-valence Bromoselenate(II,I) Anion
- Synthesis and Crystal Structure of Bis(tetraphenylphosphonium) Hexabromo-diselenate(II)-bis{dibromodiselenate(I)}, [PPh4]2[Se2Br6(Se2Br2)2], the Salt of a Mixed-valence Bromoselenate(II,I) Anion (en)
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skos:prefLabel
| - Synthesis and Crystal Structure of Bis(tetraphenylphosphonium) Hexabromo-diselenate(II)-bis{dibromodiselenate(I)}, [PPh4]2[Se2Br6(Se2Br2)2], the Salt of a Mixed-valence Bromoselenate(II,I) Anion
- Synthesis and Crystal Structure of Bis(tetraphenylphosphonium) Hexabromo-diselenate(II)-bis{dibromodiselenate(I)}, [PPh4]2[Se2Br6(Se2Br2)2], the Salt of a Mixed-valence Bromoselenate(II,I) Anion (en)
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skos:notation
| - RIV/00216224:14310/08:00033382!RIV10-MSM-14310___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216224:14310/08:00033382
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Selenium; Bromoselenates(II-I); Mixed-valence Se(II)-Se(I) compounds; Crystal structure; Tetraphenylphosphonium ion (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Zeitschrift für Anorganische und Allgemeine Chemie
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Nečas, Marek
- Janickis, Vitalijus
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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