[PDF] Top 20 Synthetic, structural, and spectroscopic studies of sterically crowded tin chalcogen acenaphthenes
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Synthetic, structural, and spectroscopic studies of sterically crowded tin chalcogen acenaphthenes
... five tin chlorides these separations are ~25% shorter than the sum of van der Waals radii and approach the distance for single electron pair (2c-2e) Sn-S ...the tin centre, explaining the notable increase ... See full document
15
Sulfur-containing radicals: From EPR spectroscopic studies to synthetic methodology.
... the structural parameters for P-substituted ethyl radicals HnM-CH2-CH2* (HnM = H3C, H2N, HO, F, HgSi, HS and Cl) using ab initio molecular orbital calculations and found that the low values of a(Hp) in the ... See full document
225
Synthetic, spectroscopic and structural studies of chalcogen peri substituted heterocycles : a solid state NMR perspective
... Chalcogen-containing materials are an area of increasing interest for spintronic applications. The synthesis, structures and reactivity of these novel compounds are normally studied by solution-state nuclear ... See full document
356
Synthetic and structural studies on dinuclear rhodium (ii) compounds
... The structural characterisation of the adducts [Rh2(form)3(N03)L], (L = PPh3 and py)*^* show a structural rearrangement, with the L ligand equatorially bound to one rhodium atom and the nitrate group ... See full document
258
Structural and electrical behavior of tin doped ba0 6sr0 4tio3 thin films
... dibutyl tin IV oxide as precursor ...Dibutyl tin IV oxide (as a dopant precursor with concentrations of 1%, 2% and 4%) was dissolved in a glacial acetic acid and added to the solution by drops with constant ... See full document
8
Structural, spectroscopic and theoretical studies of diosmium(iii,iii) tetracarboxylates
... electrochemical behaviour. Diruthenium complexes have been of particular interest in recent years because of their application as catalysts in C-H amination 2 and aerobic oxidation, 3 and as materials with interesting ... See full document
24
Synthetic and Structural Studies of Some Bivalent Transition Metal Complexes with Oxygen and Nitrogen Containing Schiff Base
... present studies show that the ligand AEQS behaves as neutral tridentate chelating ligand and coordination proposes through amine nitrogen, imine nitrogen and Carbonyl oxygen atom of semicarbozone ...mentioned ... See full document
5
Profile Structures of Thin Multilayer Films by X-ray Diffraction Using Direct and Refinement Methods of Analysis
... Meridional x-ray diffraction data from Langmuir-Blodgett multilayers containing two to ten molecular monolayers of arachidic acid were analyzed by two . independent .. methods. A Patterson function deconvolution ... See full document
169
Co(II), Ni(II), Cu(II) COMPLEXES OF SULPHUR CONTAINING SCHIFF BASE LIGAND SYNTHESIS, SPECTROSCOPIC, MOLECULAR MODELLING AND ANTIMICROBIAL STUDIES
... CONCLUSION: In this paper, the synthesis of a Schiff base ligand DAAAP derived from the condensation of 2,4-Dihydroxy-5-acetylaceto- phenone and Aminothiophenol, and its complexes have been described. The ligand is of ... See full document
9
Vibrational Spectroscopic Studies of Acetaldehyde Semicarbazone
... For the title compound, band at 2971 cm -1 in the IR spectrum and 3000 cm -1 in the Raman spectr um is assigned as asymmetr ical methyl stretching modes.. Two bending vibrations can oc[r] ... See full document
6
Synthesis, Structural, Spectroscopic, Antimicrobial and Molecular modeling studies of a bis chelating Sulphur containing Schiff base ligand
... As the proposed ligand possess hydroxy functions which can be deprotonated they constitute acidic metal binding centres which when associated with tri or other multidentate sequences are likely to form metal complexes of ... See full document
6
Influence Of Eu3+, Dy3+ And Sm3+ On The Structural And Luminescence Properties Of Magnesium Borophosphate Ceramic
... Structural features of samples were identified via infrared spectroscopy. Infrared spectra were examined using Perkin- Elmer Spectrum One Infrared Spectrometer. These infrared spectra were recorded in the range of ... See full document
5
Vibrational Spectroscopic Studies and Dft Calculations of 4-Hydroxyacetanilide
... hydrogen bond, a charge transfer from the lone pairs of the electron donor is directed mainly to the antibonding orbitals in the remote par t of the complex, thereby causing elongation in that part of the complex. This ... See full document
8
Structural and Spectroscopic Aspects of Schiff Base Metal Complexes of Cobalt(II), Nickel(II) and Copper(II)
... spectral studies revealed that the ligand, BTQT acted as a neutral bidentate(NS donor) in all the ...spectral studies reveal the complexes were paramagnetic with octahedral ... See full document
5
Synthesis, Structural, Spectroscopic and Antibacterial Studies of Schiff Base Ligands and Their Metal Complexes Containing Nitrogen and Sulphur Donor Atom
... Spectral studies show that the Schiff base behaves as tridentate and coordination takes place through primary amino group, azomethine nitrogen and thione sulphur ... See full document
5
Synthesis, spectroscopic, and structural characterization of new functionalized gem bisphosphonate complexes of tin(IV) chloride
... above spectroscopic data show that no nitrogen atom, albeit in suitable position, in complexes 2b and 2c is involved in coordination to the tin center and only the P=O groups were ...towards tin is ... See full document
10
Synthetic and structural studies of 1 halo 8 (alkylchalcogeno)naphthalene derivatives
... The substitution of large halogen and chalcogen atoms in the 1,8-positions of derivatives 1-8 imposes a great amount of steric strain between the peri-atoms. The subsequent displacement of the peri-atoms within ... See full document
24
One pot approach to organo phosphorus chalcogen macrocycles incorporating double OP(S)SCn or OP(Se)SeCn scaffolds : a synthetic and structural study
... One-pot Approach to Organo Phosphorus-Chalcogen Macrocycles Incorporating Double OPSSCn or OPSeSeCn Scaffolds：A Synthetic and Structural Study Guoxiong Hua, Junyi Du, Alexandra M... Deta[r] ... See full document
79
Sterically crowded peri substituted naphthalene phosphines and their PV derivatives
... The degree of distortion is generally related to the size of the atoms residing in the peri-region. This is best observed by comparing the magnitude of the peri-distance parameter (Table 2 and 3, Figure 5). In each set ... See full document
34
A crystallographic and spectroscopic investigation of some organo chalcogen complexes of ruthenium
... stereochemistry of the complex remains unaltered from the solution to the solid, the single crystal X-ray structure analysis of [RuBr NO PhSEt2] confirmed the trans-meridional 3 stereoch[r] ... See full document
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