HCN and HNC dimers. A new and stable variant
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HCN and HNC dimers. A new and stable variant. / Bak, Børge; Nielsen, Ole J.; Svanholt, Henrik.
I: Chemical Physics Letters, Bind 59, Nr. 2, 15.11.1978, s. 330-333.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - HCN and HNC dimers. A new and stable variant
AU - Bak, Børge
AU - Nielsen, Ole J.
AU - Svanholt, Henrik
PY - 1978/11/15
Y1 - 1978/11/15
N2 - A dimer of HCN, N-cyanoformimine or CH2NCN, hitherto only postulated as the repetitive unit of a polymer has been produced by pyrolysis (1200-1300 K) of dimethylcyanamide at low pressure (≈30 mtorr) and identified by simultaneous recording of its microwave spectrum (18.6-40.0 GHz). Later, the same dimer was detected in a sample of liquid HCN stored for 1-2 years at 277 K under exclusion of light. The new dimer is, therefore, stable under widely different conditions of pressure and temperature. The possibility of assigning the observed microwave spectrum to iminoacetonitrile or to cyclic azapropenylidenimine is discussed.
AB - A dimer of HCN, N-cyanoformimine or CH2NCN, hitherto only postulated as the repetitive unit of a polymer has been produced by pyrolysis (1200-1300 K) of dimethylcyanamide at low pressure (≈30 mtorr) and identified by simultaneous recording of its microwave spectrum (18.6-40.0 GHz). Later, the same dimer was detected in a sample of liquid HCN stored for 1-2 years at 277 K under exclusion of light. The new dimer is, therefore, stable under widely different conditions of pressure and temperature. The possibility of assigning the observed microwave spectrum to iminoacetonitrile or to cyclic azapropenylidenimine is discussed.
UR - http://www.scopus.com/inward/record.url?scp=49349123188&partnerID=8YFLogxK
U2 - 10.1016/0009-2614(78)89106-4
DO - 10.1016/0009-2614(78)89106-4
M3 - Journal article
AN - SCOPUS:49349123188
VL - 59
SP - 330
EP - 333
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
IS - 2
ER -
ID: 214010674