Document Detail

Shapes and noncovalent interactions of oligomers: the rotational spectrum of the difluoromethane trimer.
MedLine Citation:
PMID:  17288426     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The trimer of difluoromethane, (CH2F2)3, has been characterized by supersonic jet Fourier transform microwave spectroscopy. The rotational spectrum displays all types (mu(a), mu(b), and mu(c)) of transitions, showing that the adduct does not possess any element of molecular symmetry. The investigation of the three 13C species in natural abundance indicates that the three carbon atoms form a triangle where the C-C distances are 3.648(2), 3.825(8), and 3.942(6) A, respectively. The three subunits are held together by nine CH...F weak hydrogen bonds.
Susana Blanco; Sonia Melandri; Paolo Ottaviani; Walther Caminati
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Publication Detail:
Type:  Journal Article     Date:  2007-02-09
Journal Detail:
Title:  Journal of the American Chemical Society     Volume:  129     ISSN:  0002-7863     ISO Abbreviation:  J. Am. Chem. Soc.     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-02-28     Completed Date:  2007-06-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503056     Medline TA:  J Am Chem Soc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2700-3     Citation Subset:  -    
Dipartimento di Chimica G. Ciamician dell'Università, Via Selmi 2, I-40126 Bologna, Italy.
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