New Schiff base Macrocyclic compound of 2,3: 11, 12:20, 21:29, 30-tetrabenzo-1,13,16,19,31,34-hexaoxa-5,6,8,9,23,24,26,27-octaaza-7,25-dithione-2,3:4,5:9,10:11,12:22, 23:27,28:29,30 cyclo-[36]ene (thione2B4[36] ene-O6...New Schiff base Macrocyclic compound of 2,3: 11, 12:20, 21:29, 30-tetrabenzo-1,13,16,19,31,34-hexaoxa-5,6,8,9,23,24,26,27-octaaza-7,25-dithione-2,3:4,5:9,10:11,12:22, 23:27,28:29,30 cyclo-[36]ene (thione2B4[36] ene-O6N8) containing THF has been prepared. It crystallizes in the monoclinic, space group P21/n. with parameters a=9.829(5) b=24.23(1), c=10.181(9), β=92.93(5)°, Z=2, V=2422(3)3, Dc=1.25gcm-3. Data collection: Rigaku AFC-5R diffractometer,(MoKα, λ=0.71069), ω /2θ scans. θmax=25°, empirical absorption correction, 4658 measured reflections, 4387 independent, 1743 observed reflections [I≥3σ(I)]. The final R=0.056. RW=0.069,S=1 .54, (Δ/σ)max=0.01,Δρmax=0.36e-3.展开更多
In order to investigate the Magnetic Behavior of Compounds,the Variable —temperature magnetic susceptibility data of the title compounds(I:[Cu(C6H8O4)(C7H6N2)2H2O]∞) and(II:[Cu(C4H4O4)(C7H6N2)2 H2O]∞) were recorded...In order to investigate the Magnetic Behavior of Compounds,the Variable —temperature magnetic susceptibility data of the title compounds(I:[Cu(C6H8O4)(C7H6N2)2H2O]∞) and(II:[Cu(C4H4O4)(C7H6N2)2 H2O]∞) were recorded and discussed quantitatively based on to Ising’s model and particle swarm optimization(PSO).J≈-1.3cm-1,which shows that there is a weak interaction between two Cu(II) ions in the title compounds.It can be interpreted with Kahn’s approximate molecular orbital model.Room-temperature magnetic moment(2.150μB) is larger than pure-spin magnetic moment(1.732μB) and g is larger than ge(2.002),which comfirms the existence of spin-orbit coupling in the compounds.展开更多
文摘New Schiff base Macrocyclic compound of 2,3: 11, 12:20, 21:29, 30-tetrabenzo-1,13,16,19,31,34-hexaoxa-5,6,8,9,23,24,26,27-octaaza-7,25-dithione-2,3:4,5:9,10:11,12:22, 23:27,28:29,30 cyclo-[36]ene (thione2B4[36] ene-O6N8) containing THF has been prepared. It crystallizes in the monoclinic, space group P21/n. with parameters a=9.829(5) b=24.23(1), c=10.181(9), β=92.93(5)°, Z=2, V=2422(3)3, Dc=1.25gcm-3. Data collection: Rigaku AFC-5R diffractometer,(MoKα, λ=0.71069), ω /2θ scans. θmax=25°, empirical absorption correction, 4658 measured reflections, 4387 independent, 1743 observed reflections [I≥3σ(I)]. The final R=0.056. RW=0.069,S=1 .54, (Δ/σ)max=0.01,Δρmax=0.36e-3.
文摘In order to investigate the Magnetic Behavior of Compounds,the Variable —temperature magnetic susceptibility data of the title compounds(I:[Cu(C6H8O4)(C7H6N2)2H2O]∞) and(II:[Cu(C4H4O4)(C7H6N2)2 H2O]∞) were recorded and discussed quantitatively based on to Ising’s model and particle swarm optimization(PSO).J≈-1.3cm-1,which shows that there is a weak interaction between two Cu(II) ions in the title compounds.It can be interpreted with Kahn’s approximate molecular orbital model.Room-temperature magnetic moment(2.150μB) is larger than pure-spin magnetic moment(1.732μB) and g is larger than ge(2.002),which comfirms the existence of spin-orbit coupling in the compounds.
