Synthesis and Crystal Structure of 〔Co_3(CO)_9(μ_3-C)C(O)OCH_2〕_2

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Structure of Non-stoichiometric Sr6Gd0.61Sc1.39（BO3）6 Crystal

1 INTRODUCTION With the increasing interest in diode-pumped solid state lasers, researches on more efficient new materials for diode pumping become more important. The double borates are a type of excellent laser gain media, for example, Nd3 -doped RAl…     

Changing Rules of Bonding Electron Pair Correlation Energies of CH3X （X = F, OH, NH2） Systems

1 INTRODUCTION It has been known that the electron correlation energy of molecular systems was, and still is, one of the most serious bottleneck problems to the chemis- try accuracy of computational quantum chemistry. Since L鰓din[1] gave the definition …     

Synthesis under Microwave Irradiation and Crystal Structure of 4-（3,4-Methylenedioxylphenyl）-6-methyl- 5-ethoxycaronyl-3,4-dihydropyrimidin-2（H）-one

1 INTRODUCTION Since Biginelli firstly reported the synthesis of 3,4-dihydropyrimidin-2(1H)-ones in 1893, this com- pound has been found to emerge as calcium channel blockers, antihypersive agents and a-antagonists[1]. Consequently, this Biginelli reacti…