Conclusions
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1.
New types of hafnium monocyclopentadienyl nitrate complexes, CpHf(DBM)(NO3)2 and CpHfCl2(NO3)·4H2O (DBM is dibenzoylmethane residue) were synthesized.
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2.
Dichlorides CpMCl2(NO3) are formed in the reaction of monochlorides CpM(chel)2Cl with HNO3 as the result of the reaction of HCl thus evolved with the exchange product CpM· (chel)2(NO3).
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3.
From a study of the electrical conductivity, IR, and Raman spectra, the nonionic character of the metal-nitrate bonds and bidentate character of the nitrate ligands in Cp2M· (NO3)Cl have been assumed.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1395–1401, June, 1983.
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Minacheva, M.K., Brainina, É.M., Klemenkova, Z.S. et al. Cyclopentadienyl complexes with hafnium and zirconium containing nitrate ligands. Russ Chem Bull 32, 1265–1270 (1983). https://doi.org/10.1007/BF00953170
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DOI: https://doi.org/10.1007/BF00953170