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In the high - temperature phase ( above 167 K ) , the rotation of NH3 groups is also hindered by the potential equal to 4.2 kJ / mol . However , the potential barrier that hinders the internal rotation of the two NH3 groups at low ...
In the high - temperature phase ( above 167 K ) , the rotation of NH3 groups is also hindered by the potential equal to 4.2 kJ / mol . However , the potential barrier that hinders the internal rotation of the two NH3 groups at low ...
Trang 1932
According to X - ray diffraction data [ 4 ] , these compounds contain two types of oxalato groups , i.e. , one tetradentate bridging , and two bidentate terminal groups ( Fig . 4 ) . VI The presence of two types ( bridging and terminal ) ...
According to X - ray diffraction data [ 4 ] , these compounds contain two types of oxalato groups , i.e. , one tetradentate bridging , and two bidentate terminal groups ( Fig . 4 ) . VI The presence of two types ( bridging and terminal ) ...
Trang 1934
in the IR absorption spectra and 3C NMR chemical shifts ( ppm ) for the C204 groups of polynuclear ( polymeric , I - III ) ... point Vibration Assignment group of sym- ( symmetry ) of vibration metry Coordination mode of the C204 group ...
in the IR absorption spectra and 3C NMR chemical shifts ( ppm ) for the C204 groups of polynuclear ( polymeric , I - III ) ... point Vibration Assignment group of sym- ( symmetry ) of vibration metry Coordination mode of the C204 group ...
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absorption According acid analysis angles anion aqueous atoms bands basis bismuth bond calcium calculations cation cell Chem chemical Chemistry chloride complexes composition compounds concentration constants contain coordination Copyright corresponding crystals curves decrease dependence determined distances effect electron energy equation equilibrium experimental extraction formation frequencies functions groups heating hydrogen increase indicates initial Inorganic intensities interaction ions Khim kJ/mol ligand melt metal method mixture molecule Moscow Neorg Note observed obtained occurs organic Original oxides oxygen parameters peritectic phase position possible precipitate prepared presence properties Publishing range ratio reaction REFERENCES region respectively Russian salts samples shift shows similar sodium solid solubility solutions space group spectra spectrum stability structure studied sulfate synthesis Table temperature thermal tion transition unit values vibrations X-ray diffraction