F-19, N-14 AND N-15 NMR SPECTROSCOPIC STUDIES ON TRIAZADIENYL FLUORIDE, N3F

被引:10
|
作者
SCHATTE, G
WILLNER, H
WILLERTPORADA, M
机构
[1] UNIV HANOVER,INST ANORGAN CHEM,W-3000 HANNOVER,GERMANY
[2] RUHR UNIV BOCHUM,LEHRSTUHL ANORGAN CHEM 2,W-4630 BOCHUM,GERMANY
关键词
N3F AZIDES; N-15 AND N-14 NMR CHEMICAL SHIFTS; NN AND NF COUPLING CONSTANTS;
D O I
10.1002/mrc.1260300205
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The results of F-19, N-14 and N-15 NMR measurements for all N-14/N-15 isotopomers of N3F in CD2Cl2 solution are reported. Substantial deshielding for the N-alpha and N-gamma atoms, relative to other covalent azides XN3 (X = Cl, H, CF3, etc.), is observed. The coupling constants also indicate unusual bonding in N3F. 1J(N-15-alpha, F) and 3J(N-15-gamma, F) are similar (58.2 and 58.6 Hz, respectively), very small for a 1J((NF)-N-15) but very large for a 3J((NF)-N-15) value. The observed value of 26.5 Hz for 1J(N-15-alpha N-15-beta) is the largest, and 2J(N-15-alpha N-15-gamma) (5.3 Hz) is the first reported coupling constant for an azide. The unusual N3F NMR data are discussed in terms of calculated atomic charges and the influence of the paramagnetic term which dominates the chemical shifts. This term expresses the deshielding due to the circulation of electrons in the magnetic field between the HOMOs and the LUMOs.
引用
收藏
页码:118 / 123
页数:6
相关论文
共 50 条
  • [31] NMR N-14 AND N-15 SPECTRA OF 2-SUBSTITUTED 5-NITROFURANS
    LIEPINSH, EE
    ZOLOTOYABKO, RM
    STRADYN, YP
    TRUSHULE, MA
    VENTER, KK
    KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII, 1980, (06): : 741 - 743
  • [32] THE N-15-ISOTOPOMERS OF CIS-DIFLUORODIAZINE AND TRANS-DIFLUORODIAZINE - A F-19 NMR INVESTIGATION OF THE 2 [AX](2), SPIN SYSTEMS OF (N2F2)-N-15
    AUBKE, F
    HAGELE, G
    WILLNER, H
    MAGNETIC RESONANCE IN CHEMISTRY, 1995, 33 (10) : 817 - 822
  • [33] ELASTIC-SCATTERING OF N-15 ON F-19, F-19 ON O-18 AND F-19 ON O-16 AT LOW ENERGIES AND ELASTIC TRANSFER
    GAMP, A
    OERTZEN, WV
    BOHLEN, HG
    FEIL, M
    WALTER, RL
    MARQUARDT, N
    ZEITSCHRIFT FUR PHYSIK, 1973, 261 (04): : 283 - 304
  • [34] ALPHA-WIDTHS IN F-19 FROM A STUDY OF RESONANCES IN N-15(ALPHA-0,ALPHA-0)N-15
    HESMONDHALGH, SKB
    GARMAN, EF
    ALLEN, KW
    NUCLEAR PHYSICS A, 1988, 476 (02) : 375 - 391
  • [35] THE INTERACTION OF N3F WITH LEWIS-ACIDS AND HF - N3F AS POSSIBLE PRECURSOR FOR THE SYNTHESIS OF N3+ SALTS
    SCHATTE, G
    WILLNER, H
    ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 1991, 46 (04): : 483 - 489
  • [36] A SENSITIVE ASSAY FOR DETERMINATION OF N-14/N-15 ISOTOPE DISTRIBUTION IN NO3-
    RISGAARDPETERSEN, N
    RYSGAARD, S
    REVSBECH, NP
    JOURNAL OF MICROBIOLOGICAL METHODS, 1993, 17 (02) : 155 - 164
  • [37] ANGULAR DISTRIBUTION OF PROTONS IN THE N-14(DP)N-15 REACTION
    WYLY, LD
    PHYSICAL REVIEW, 1949, 76 (01): : 104 - 106
  • [38] DOUBLE RESONANCE SPECTRA OF N-14 AND N-15 AMMONIUM ION
    BALDESCHWIELER, JD
    JOURNAL OF CHEMICAL PHYSICS, 1962, 36 (01): : 152 - &
  • [39] THE DOUBLE RESONANCE SPECTRA OF N-14 AND N-15 AMMONIUM ION
    BALDESCHWIELER, JD
    SPECTROCHIMICA ACTA, 1961, 17 (9-10): : 1131 - 1131
  • [40] STUDY OF N-15 STATES BY N-14(D, P) REACTION
    AMOKRANE, A
    ALLAB, M
    BEAUMEVIEILLE, H
    FAID, B
    BERSILLON, O
    CHAMBON, B
    DRAIN, D
    VIDAL, JL
    PHYSICAL REVIEW C, 1972, 6 (06): : 1934 - 1945