7790-79-6Relevant articles and documents
Phase transition and thermal decomposition of [Cd(H2O)6](BF4)2
Mikuli,Migdal-Mikuli,Gajerski
, p. 861 - 864 (2002)
Phase transition and thermal decomposition of [Cd(H2O)6](BF4)2 were studied by differential scanning calorimetry (DSC), differential thermal analysis (DTA) and thermogravimetry (TG) methods. The solid-solid phas
Thermal decomposition and kinetic data of Cd(BF4)2·6H2O
Georgiev,Maneva
, p. 1729 - 1733 (1996)
The thermal dehydration and decomposition of Cd(BF4)2·6H2O were studied by means of DTA, TG, DSC and X-ray diffraction methods and the end products of the thermal decomposition were identified. The results of thermal analysis show that the compound is fused first, then it is dehydrated until Cd(BF4)2·3H2O is obtained, which has not been described in the literature so far. The enthalpy of phase transition is ΔHph.tr.=115.6 kJ mol-1. Separation of the compound is difficult since it is highly hygroscopic. Then, dehydration and decomposition take place simultaneously until CdF2 is obtained which is proved by X-ray diffraction. On further increasing the temperature, CdF2 is oxidized to CdO and the characteristic curve assumes a linear character. Based on TG data, kinetic analyses were carried out separately for both parts of the curve: first until formation of the trihydrate and then - until formation of CdF2. The formal kinetic parameters are as follows: for the first phase: E*=45.3 kJ mol-1; rate equation F=α2/3; correlation coefficient 0.9858 for the second phase: E*=230.1 kJ mol-1; rate equation F =(1-α)2/3 [1-(1-α)1/3]-1; correlation coefficient 0.9982.
Multifunctional cadmium single source precursor for the selective deposition of CdO or CdS by a solution route
Malandrino, Graziella,Finocchiaro, Sebastiana T.,Rossi, Patrizia,Dapporto, Paolo,Fragala, Ignazio L.
, p. 5681 - 5683 (2005)
We report on the interesting properties of a novel single precursor, Cd(tta)2·tmeda (Htta = 2-thenoyl-trifluoroacetone, tmeda = N,N,N′,N′-tetramethylethylenediamine), ideally suited for the selective and reproducible fabrication of pure quality films of CdS or CdO through a simple solution process. The Royal Society of Chemistry 2005.
Cd2NF, an analogue of CdO
Manjunath, Krishnappa,Prasad, Suchitra,Waghmare, Umesh V.,Rao
, p. 9303 - 9309 (2018)
Cd2NF, isoelectronic with CdO, has been prepared by ammonolysis of CdF2. Cd2NF has the rock salt structure of CdO and shows electronic properties similar to CdO. First principles calculations shed light on the electronic structure and properties.
Crystal structures of phases observed in [H3O]+/M2+/[SbF6]?system (M?=?Mg, Cr, Mn, Fe, Co, Ni, Cu, Zn, Pd, Cd)
Mazej, Zoran,Goreshnik, Evgeny
, p. 82 - 88 (2016/12/14)
The reactions between the MO (M?=?Be, Mg, Ca, Sr, Ti, V, Nb, Mn, Ni, Cu, Pd, Zn, Hg, Sn, Pb) and SbF5in liquid aHF were investigated. Reactions with the MO (M?=?Mg, Ni, Cu and Zn) yielded H3OM(SbF6)3compounds. Both BeO and PdO didn't show any sign of reactivity meanwhile MO (M?=?V, Nb, Ti) gave products with M in oxidation state higher than two. The rest of the MO (M?=?Ca, Sr, Mn, Hg, Sn, Pb) formed mixtures of M(SbF6)2, H3OSbF6and/or H3OSb2F11. Reactions between H3OSbF6and M(SbF6)2(M?=?Fe, Co, Ni) also gave H3OM(SbF6)3compounds, meanwhile similar attempts with H3OSbF6and M(SbF6)2(M?=?Ca, Mn, Pd, Ag, Cd, Sn) to prepare [H3O]+/M2+/[SbF6]?salts failled. However, slow crystallizations of H3OSbF6and M(SbF6)2(M?=?Mn, Pd, Cd) mixtures resulted in the single crystal growth of new (H3O)3M(SbF6)5phases which crystal structures are not isotypic. Similar procedure with H3OSbF6/Cr(SbF6)2mixture resulted in few light orange crystals of (H3O)3[CrIV(SbF6)6](Sb2F11)·HF. Its crystal structure determination showed the presence of discrete [CrIV(SbF6)6]2?units where each of Cr atoms is found in a homoleptic coordination of six SbF6groups.
Binary polyazides of cadmium and mercury
Schulz, Axel,Villinger, Alexander
supporting information, p. 3649 - 3663 (2015/03/04)
Following our interest in binary element-nitrogen compounds we report here on the synthesis and comprehensive characterization (M.p., IR/Raman, elemental analysis, 14N/133Cd/199Hg NMR) of tri-and tetraazido cadmate and mercurate anions [E(N3)(2+n)]n- (E = Cd, Hg; n = 1, 2) in a series of [Ph4P]+ and [PNP]+ ([PNP]+ = bis(triphenylphosphine)-iminium) salts. The azide/chloride exchange in CH2Cl2 as well as the formation of tetrazolate salts in CH3CN solutions of the polyazido mercurates were investigated. Single crystal X-ray structures of all new compounds, and for comparison [Ph4P][Cd2(N3)5(H2O)], were determined. Moreover, the synthesis of anhydrous cadmium(II) azide and its DMSO adduct is presented for the first time. For a better understanding of structure and bonding in E(N3)2, [E(N3)3]- and [E(N3)4]2-, theoretical calculations at the M06-2X/aug-cc-pVDZ level were carried out.
