2010
DOI: 10.1002/zaac.201000405
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Regular [Tl6]6– Cluster in Cs4Tl2O Exhibiting Closed‐Shell Configuration and Energetic Stabilization due to Relativistic Spin–Orbit Coupling

Abstract: Cs4Tl2O was synthesized by reaction of the binary compounds CsTl and Cs2O at 573 K, followed by slow cooling to room temperature. According to single‐crystal X‐ray analysis, the title compound crystallizes in a new structure type (trigonal, space group R$\bar{3}$m (no. 166), a = 11.986(1), c = 20.370(2) Å, Z = 9). It consists of isolated [Tl6]6– octahedra, being regular with respect to the equality of all three main diagonals (4.546(5) Å), and of [Cs12O3]6+ triple octahedra extending along the c direction.The … Show more

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Cited by 10 publications
(16 citation statements)
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“…The pattern of the indium PDOS matches with that of thallium in [Tl 6 ] 6– , contained in Cs 4 Tl 2 O,6 although in the thallium compound, the inert pair bands are more separated from the skeletal bands and are less split (–4 eV to –8 eV). Nevertheless, the same interpretation applies to the PDOS of the title compound.…”
Section: Resultsmentioning
confidence: 52%
“…The pattern of the indium PDOS matches with that of thallium in [Tl 6 ] 6– , contained in Cs 4 Tl 2 O,6 although in the thallium compound, the inert pair bands are more separated from the skeletal bands and are less split (–4 eV to –8 eV). Nevertheless, the same interpretation applies to the PDOS of the title compound.…”
Section: Resultsmentioning
confidence: 52%
“…Tal redução favorece a hibridização da valência, resultando na formação de uma ligação metal-carbeno mais forte. Assim, deve-se o sucesso da catálise com platina a efeitos relativísticos [15]; A quebra da degenerescência de orbitais pelo efeito spin-órbita é a principal responsável por mudanças estruturais em clusters octaédricos regulares de Tl 6 [16].…”
Section: Uma Abordagem Histórica Da Química Relativística Computacionalunclassified
“…16) no qual b j são os coeficientes da expansão polinomial e r é a distância internuclear. A distância de equilíbrio foi então dada pelo mínimo desta PEC.…”
Section: A Implicação Da Condição Do Balanço Cinéticounclassified
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