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Synthesis and Spectral Studies on 2:1 Adducts Involving Cadmium Dithiocarbamates and 4,4'-Bipyridine. Single Crystal X-ray Structural Studies on Bis(piperidinecarbodithioato-S,S')cadmium(II) Benzene Solvate

Manohar A., Ramalingam K., Bocelli G., Cantoni A.

Polish Journal of Chemistry

2005

Vol. 79 / nr 4

671-678

Mixed ligand complexes of the general type [Cd2(dtc)4(4,4_-bipy)] (dtc = diethyldithiocarbamate or piperidinedithiocarbamate anions; 4,4'-bipy = 4,4'-bipyridine) have been synthesized and characterized. IR spectra of the complexes show that the thioureide ni(C-N) bands are observed at lower frequency than the values obtained for the parent dithiocarbamates. Charge transfer transitions are observed in the region 310-340 nm. Thermogravimetric studies show that the 4,4'-bipyridine adducts are more stable than the 2,2'-analogues. Also, the crystal structure of the benzene solvate of [Cd(pipdtc)2]2 (pipdtc = piperidinedithiocarbamate anion) is reported. The coordination geometry can be described as a distorted trigonal bipyramid around each cadmium

Bond Valence Sum Analysis (BVS) of Metal Ligand. Bond Lengths in Some Zn(II), Cd(II) Dithiocarbamate Complexes and Their Adducts

Manohar A., Ramalingam K., Bocelli G., Cantoni A.

Polish Journal of Chemistry

2001

Vol. 75, nr 1

147-151

An introduction to envelope constrained filter design

Cantoni A., Vo B.N., Teo K.L.

Journal of Telecommunications and Information Technology

2001

nr 3

3-14

Envelope constrained filter design is concerned with the time domain synthesis of a filter whose response to a specified input signal stays within prescribed upper and lowe bounds and in addition has minimal noise enhancement. In many practical applications, a "soft" approach, such as least mean square, is not the most suitable and it becomes necessary to use "hard" constraints such as the ones considered in the paper. We present an overview of key ideas related to robust continuous time envelope constrained filter design.