Pentagermapyramidane: Crystallizing the "Transition-State" Structure

The first example of the homonuclear pyramidanes, pentagermapyramidane, was synthesized, fully characterized, and computationally studied to reveal its peculiar structural features and the nature of its apex‐to‐base bonding interactions. Both solid‐state and solution structures of pentagermapyramida...

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Published inAngewandte Chemie Vol. 127; no. 19; pp. 5746 - 5749
Main Authors Lee, Vladimir Ya, Ito, Yuki, Gapurenko, Olga A., Sekiguchi, Akira, Minkin, Vladimir I., Minyaev, Ruslan M., Gornitzka, Heinz
Format Journal Article
LanguageEnglish
German
Published Weinheim WILEY-VCH Verlag 04.05.2015
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
Subjects
Bonding
Chemistry
Computation
Crystallization
Dichtefunktionalrechnungen
Distortion
Germanium
Käfigverbindungen
Mathematical models
NMR-Spektroskopie
Röntgenbeugung
Stability
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Summary:The first example of the homonuclear pyramidanes, pentagermapyramidane, was synthesized, fully characterized, and computationally studied to reveal its peculiar structural features and the nature of its apex‐to‐base bonding interactions. Both solid‐state and solution structures of pentagermapyramidane are discussed based on the computed stabilities of its square‐pyramidal and distorted forms. Germanische Pyramiden: Das Pentagermapyramidan Ge[Ge4(SiMetBu2)4] (1) wurde synthetisiert und charakterisiert. Kristallstrukturen für zwei Strukturvariationen von 1 werden beschrieben: Die verzerrte Pyramide 1 a ist ein Energieminimum auf der Ge5R4‐Potentialfläche, die quadratisch‐planare Pyramide 1 b ist ein Übergangszustand.
Bibliography:Ministry of Education, Science, Sports, and Culture of Japan - No. 23655027; No. 24245007; No. 24550038; No. 90143164
ArticleID:ANGE201500731
Financial support from the JSPS-RFBR Joint Japan-Russia Research Project, the Grant-in-Aid for Scientific Research program from the Ministry of Education, Science, Sports, and Culture of Japan (Nos. 23655027, 24245007, 24550038, and 90143164), and from the Russian Foundation for Basic Research (14-03-92101) and Russian Scientific Schools (NSc-274.2014.3) is gratefully acknowledged. R.M.M. thanks the Russian Ministry of Education and Science (project N4.71.2014/K).
istex:FB16238DB2BE5085386487D2C8BA6ACF39B4B31C
JSPS-RFBR
Grant-in-Aid for Scientific Research program
Russian Scientific Schools - No. NSc-274.2014.3
Russian Foundation for Basic Research - No. 14-03-92101
Russian Ministry of Education and Science - No. N4.71.2014/K
ark:/67375/WNG-8WP9MDG4-6
Financial support from the JSPS‐RFBR Joint Japan–Russia Research Project, the Grant‐in‐Aid for Scientific Research program from the Ministry of Education, Science, Sports, and Culture of Japan (Nos. 23655027, 24245007, 24550038, and 90143164), and from the Russian Foundation for Basic Research (14‐03‐92101) and Russian Scientific Schools (NSc‐274.2014.3) is gratefully acknowledged. R.M.M. thanks the Russian Ministry of Education and Science (project N4.71.2014/K).
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0044-8249
1521-3757
DOI:10.1002/ange.201500731