The structures of branched and linear molecules of the isolated amylose (number-average dp 850) from rice were examined by the tritium labeling method and gel-permeation chromatography. The branched and linear molecules showed similar, symmetrical distributions on a molar basis with a dp of 710 and
Structures and properties of linear Cn molecules
β Scribed by D.W. Ewing; G.V. Pfeiffer
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 314 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
Total cncrgles, bond Icngths. charge datrlbutlons, clcctroruc confiiurallons. and cohcslvc cncrglcs arc calculated for Imear C,, clusters, II= 2-6. The calculatmns arc done at the single dctcrmman~ HarlrecJock lcvcl usmg both double-zeta and double-zeta plus polsr~zal~on basis SCIS.
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Using [(Tp)Fe(CN) 3 ] Γ (Tp = hydrotris(pyrazolyl)borate) as a building block, four trinuclear complexes [M II (DMSO) 4 ][(Tp)Fe(CN) 3 ] 2 (M II = Co, 1; Ni, 2; Mn, 3; Cu, 4) (DMSO = dimethyl sulfoxide) have been prepared and their structures and magnetic properties have been studied. Complexes 1-4
Palladium-catalyzed Stille and Sonogashira coupling reactions were sequentially applied for constructing novel pyrimidine-containing linear molecules. The chemoselectivity of 5-bromo-2-iodopyrimidine (1) towards Pd-catalyzed coupling reaction serves as a tool for the successful control of the arrang
The geometric and electronic structures and the total and binding (chemisorption) energies of linear C. (n= 6-10) and H&H (n= 2-l 0) molecules have been predicted via RHF ab initio calculations. For C, clusters the bonding structures are predicted to be cumulene type, with n-even clusters hating tri