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RISS 인기검색어
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- 저자 : Plonka, A.M. (검색결과 1 건)
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Calderone, P.J.,Banerjee, D.,Plonka, A.M.,Kim, S.J.,Parise, J.B. Elsevier Sequoia [etc.] 2013 Inorganica chimica acta Vol.394 No.-
A series of three magnesium trimesate coordination networks was synthesized from identical reaction mixtures by varying synthetic temperature. Mg(HBTC)(DMF)<SUB>2</SUB>.[(CH<SUB>3</SUB>)<SUB>2</SUB>NH] (1; BTC=trimesate; space group P6<SUB>3</SUB>/m, a=16.596(4)A, c=14.351(8)A) crystallizes at 65<SUP>o</SUP>C, Mg<SUB>3</SUB>(BTC)(HCOO)<SUB>3</SUB>(DMF)<SUB>3</SUB> (2; space group P@?3, a=13.928(2)A, c=8.025(6)A) crystallizes at 100<SUP>o</SUP>C, and Mg<SUB>3</SUB>(BTC)<SUB>2</SUB>(DMF)<SUB>4</SUB> (3; space group P2<SUB>1</SUB>/c, a=17.490(4)A, b=11.940(2)A, c=18.460(4)A, β=116.87(3)<SUP>o</SUP>) crystallizes at a temperature of 180<SUP>o</SUP>C. Each network contains metal-coordinated solvent DMF molecules, but thermodynamics and solvent hydrolysis play major roles in structure formation. Compounds 1 and 2 are two-dimensional networks which incorporate hydrolysis byproducts. Compound 3 is a three-dimensional network and shows no inclusion of byproducts. The series follows the trend of increased network connectivity resulting from increased temperature. Each of the networks show a weak photoluminescence response, suggesting that coordinated solvent molecules and interlayer species play a role in quenching photoluminescence.
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