The crystal and molecular structure of e-glycine by neutron diffraction was determined simultaneously by the authors and by J6nsson & Kvick [Acta Cryst. (1972), B28, 1827-1833. As the two determinations were of comparable precision, a detailed comparative study was undertaken. The comparison indicates that the derived parameters probably do not belong to the same population, whereas the intensity data sets have been shown to belong to the same population. Reasons for the statistical variations between the derived parameter sets have been investigated.
Die Reaktion des Ammoniumchlorides (II) mit den Rh(II)‐Komplexen (I), (IV) und (VI) liefert über eine oxidative Additionsreaktion die sekundären Rh(III)‐Carben‐ Komplexe (III), (V) und (VII).
Carbene Complexes. Part 13.l The Synthesis and Characterisation of Secondary Carbene Complexes of Vanadium(!), Chromium(o), Molybdenum(o), Tungsten@), Manganese([), Rhenium( I), Iron(o), Ruthenium(ii), Cobalt( I), Iridium( ill), and Platinum(iv), and Hydridorhodium(iii) t
BN1 9Q J) Summary C-Chlorocarbene d6 complexes of CrO, MnI, and IZhnI, (I)-(V), have been obtained from [Me,NCCl,]+Cland the appropriate transition metal complex precursor, by four procedures (a, a', a", or b) ; alternative reaction pathways (c or d ) lead to other species, including the electron-rich cluster compound [Co,(CO),CNMe,].
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