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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed24n0535.xml
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|a (DE-627)NLM160401259
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|a (NLM)16444699
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Wang, Qiang
|e verfasserin
|4 aut
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|a Theoretical study on structures and stabilities of [H,Ge,C,N
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 02.05.2006
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Theoretical investigations are performed for the first time on the simplest hydrogenated germanium cyanide [H,Ge,C,N], whose analogs [H,C(2),N] and [H,Si,C,N] have been detected in space and laboratory, respectively. The detailed potential energy surfaces in both singlet and triplet states are constructed at the CCSD(T)/6-311+G(3df,2p)//B3LYP/6-31G(d)+ZPVE level, including 18 minimum isomers and 26 interconversion transition states. The former three low-lying and kinetically stabilized isomers are HGeCN (1)1 (0.0 kcal/mol), HGeNC (1)2 (5.1 kcal/mol), and cyclic cCHNGe(1)7 (11.1 kcal/mol). In addition, five isomers HCNGe (1)3 (33.8), HNCGe (1)5 (29.8), cNHCGe (1)8 (37.9), HGeCN (3)1 (30.1), and HNCGe (3)5 (26.5) each have considerable barriers, despite their high energies. Future laboratory characterization and astrophysical detection of the eight [H,Ge,C,N] isomers, especially the former three low-lying species (1)1, (1)2, and (1)7, are highly recommended. The accurate spectroscopic data at the QCISD/6-311G(d,p) level are provided. For some species, the CBS-QB3 calculations are also performed. Wherever possible, comparisons with the analogous [H,C(2),N] and [H,Si,C,N] are made on the structural, energetic, and bonding properties
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cyanides
|2 NLM
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|a Germanium
|2 NLM
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|a 00072J7XWS
|2 NLM
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|a Hydrogen
|2 NLM
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|a 7YNJ3PO35Z
|2 NLM
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| 700 |
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|a Ding, Yi-Hong
|e verfasserin
|4 aut
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1 |
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|a Xie, Hong-Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Chia-Chung
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 27(2006), 4 vom: 15. März, Seite 505-14
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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|g volume:27
|g year:2006
|g number:4
|g day:15
|g month:03
|g pages:505-14
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|d 27
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|h 505-14
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