A new trithiocarbonato Mo complex(Et_4N)_2[(S_2)Mo2O_2(μ-S)_2(CS_3)]was obtained from a system containing MoO_4^(2-),S_x^(2-),and CS_2 and characterized by IR and X-ray structural analysis. The complex crystallizes i...A new trithiocarbonato Mo complex(Et_4N)_2[(S_2)Mo2O_2(μ-S)_2(CS_3)]was obtained from a system containing MoO_4^(2-),S_x^(2-),and CS_2 and characterized by IR and X-ray structural analysis. The complex crystallizes in the (?)onoclinic space group P2_1/c with a=9.539(3)(?), b=20.745(2)(?),c=15.452(2)(?),β=94.58(2)°,and Z=4.The structure was solved by direct and difference Fourier synthesis methods.Least squares refinement using 2910 reflections with I>3σ(I)converged to R=0.054.The CS_3^(2-) iigand in the complex chelates to Mo atom and values of the C-S bond distances in the CS_3^(2-) ligend indicate a substantial contribution of three resonance forms.展开更多
A new organic dye, trans-4-[p-(N-hydroxyethyl-N-ethylamino)styryl]-N-methyl- pyridinium p-toluene sulfonate (HEASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser pulse...A new organic dye, trans-4-[p-(N-hydroxyethyl-N-ethylamino)styryl]-N-methyl- pyridinium p-toluene sulfonate (HEASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser pulses, 0.05 mol/L HEASPS/DMF solution showed the two-photon pumped (TPP) output/input efficiency of 9.1% which is higher than that of known TPP laser dyes trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium iodide (ASPI) and trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium p-toluene sulfonate (HMASPS) at the same experimental conditions.展开更多
A new organic dye, trans-4-[4'-(N-hydroxyethyl-N-methylamino)styryl]-N-methylpyridinium p-toluene sulfonate (HMASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser p...A new organic dye, trans-4-[4'-(N-hydroxyethyl-N-methylamino)styryl]-N-methylpyridinium p-toluene sulfonate (HMASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser pulses, 0.05 mol/L HMASPS/DMF solution showed the two-photon pumped (TPP) output/input efficiency of 8.4% which is higher than that of trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium iodide (ASPI)(1) at the same pump level.展开更多
以氨基-1,2,4-三唑和2-偕二硝甲基-5-硝基四唑(HDNMNT)为原料,通过中和反应合成出两种新型含能离子盐——2-偕二硝甲基-5-硝基四唑3-氨基-1,2,4-三唑盐(3-ATDNMNT)和2-偕二硝甲基-5-硝基四唑4-氨基-1,2,4-三唑盐(4-ATDNMNT),收率分别为9...以氨基-1,2,4-三唑和2-偕二硝甲基-5-硝基四唑(HDNMNT)为原料,通过中和反应合成出两种新型含能离子盐——2-偕二硝甲基-5-硝基四唑3-氨基-1,2,4-三唑盐(3-ATDNMNT)和2-偕二硝甲基-5-硝基四唑4-氨基-1,2,4-三唑盐(4-ATDNMNT),收率分别为95.4%和96.7%;利用FT-IR、1 H NMR、13C NMR、15 N NMR及元素分析等方法对其结构进行表征;采用量子化学方法计算了3-ATDNMNT和4-ATDNMNT的爆轰性能;在标准状态下(膨胀比为70∶1),利用最小自由能原理,分别计算了两种离子盐在丁羟复合推进剂中的能量性能。结果表明,3-ATDNMNT的爆速和爆压分别为8.587km/s和33.58GPa,4-ATDNMNT的爆速和爆压分别为8.693km/s和34.31GPa。以3-ATDNMNT部分取代丁羟复合推进剂中的AP后,丁羟复合推进剂的理论比冲可达2 635.7N·s/kg。以4-ATDNMNT部分取代丁羟复合推进剂中的AP后,当HTPB、Al、AP及4-ATDNMNT各组分质量分数分别为10%、5%、15%及70%时,获得该丁羟复合推进剂的最高理论比冲为2 677.2N·s/kg。展开更多
Title compound,Mr=1273.16,was synthesized by a substitution reaction and its crystal' is triclinic belonging to space group P1 with cell parameters:a=13.944(2),b=14.143(7),c=14.233(3), A,a=77.35(3)°,β=69.94(...Title compound,Mr=1273.16,was synthesized by a substitution reaction and its crystal' is triclinic belonging to space group P1 with cell parameters:a=13.944(2),b=14.143(7),c=14.233(3), A,a=77.35(3)°,β=69.94(2)°,γ=63.50(3)°,V=2351(1)A^3,Z=2,D_c=1.799g cm^(-3).Room tem- perature,graphite-filtered Mo K_α,radiation(λ=0.71073A)was used for data collection.μ=14.988 cm^(-1),F(000)=1280,R=0.051 for 7025 observed reflections.The crystal consists of decrete cluster molecules containing a duster core[Mo_3(μ_3-S)]^(10+)with three μ-S,one μ-dtp(dtp=[S_2P(OC_2H_5)]^(2-), three x-dtp and one allylthioureo to form a local six-coordinated sphere around each Mo atom.The bónds of cluster skeleton[Mo_3(μ_3-S)(μ-S)_3]^(4+),Mo—Mo 2.744～2.766,Mo—(μ_3-S)2.340～2.342 and Mo—(μ-S)2.272～2.296 A,are comparable with those found in the related analogues.展开更多
文摘A new trithiocarbonato Mo complex(Et_4N)_2[(S_2)Mo2O_2(μ-S)_2(CS_3)]was obtained from a system containing MoO_4^(2-),S_x^(2-),and CS_2 and characterized by IR and X-ray structural analysis. The complex crystallizes in the (?)onoclinic space group P2_1/c with a=9.539(3)(?), b=20.745(2)(?),c=15.452(2)(?),β=94.58(2)°,and Z=4.The structure was solved by direct and difference Fourier synthesis methods.Least squares refinement using 2910 reflections with I>3σ(I)converged to R=0.054.The CS_3^(2-) iigand in the complex chelates to Mo atom and values of the C-S bond distances in the CS_3^(2-) ligend indicate a substantial contribution of three resonance forms.
文摘A new organic dye, trans-4-[p-(N-hydroxyethyl-N-ethylamino)styryl]-N-methyl- pyridinium p-toluene sulfonate (HEASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser pulses, 0.05 mol/L HEASPS/DMF solution showed the two-photon pumped (TPP) output/input efficiency of 9.1% which is higher than that of known TPP laser dyes trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium iodide (ASPI) and trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium p-toluene sulfonate (HMASPS) at the same experimental conditions.
基金This tvork was supported by the grant for state key program of China by the National NaturalScience Foundation of China, al
文摘A new organic dye, trans-4-[4'-(N-hydroxyethyl-N-methylamino)styryl]-N-methylpyridinium p-toluene sulfonate (HMASPS) has been synthesized and its structure has been determined. Pumped with a 1064 nm, 50 ps laser pulses, 0.05 mol/L HMASPS/DMF solution showed the two-photon pumped (TPP) output/input efficiency of 8.4% which is higher than that of trans-4-[p-(N-hydroxyethyl-N-methylamino) styryl]-N-methylpyridinium iodide (ASPI)(1) at the same pump level.
文摘以氨基-1,2,4-三唑和2-偕二硝甲基-5-硝基四唑(HDNMNT)为原料,通过中和反应合成出两种新型含能离子盐——2-偕二硝甲基-5-硝基四唑3-氨基-1,2,4-三唑盐(3-ATDNMNT)和2-偕二硝甲基-5-硝基四唑4-氨基-1,2,4-三唑盐(4-ATDNMNT),收率分别为95.4%和96.7%;利用FT-IR、1 H NMR、13C NMR、15 N NMR及元素分析等方法对其结构进行表征;采用量子化学方法计算了3-ATDNMNT和4-ATDNMNT的爆轰性能;在标准状态下(膨胀比为70∶1),利用最小自由能原理,分别计算了两种离子盐在丁羟复合推进剂中的能量性能。结果表明,3-ATDNMNT的爆速和爆压分别为8.587km/s和33.58GPa,4-ATDNMNT的爆速和爆压分别为8.693km/s和34.31GPa。以3-ATDNMNT部分取代丁羟复合推进剂中的AP后,丁羟复合推进剂的理论比冲可达2 635.7N·s/kg。以4-ATDNMNT部分取代丁羟复合推进剂中的AP后,当HTPB、Al、AP及4-ATDNMNT各组分质量分数分别为10%、5%、15%及70%时,获得该丁羟复合推进剂的最高理论比冲为2 677.2N·s/kg。
文摘Title compound,Mr=1273.16,was synthesized by a substitution reaction and its crystal' is triclinic belonging to space group P1 with cell parameters:a=13.944(2),b=14.143(7),c=14.233(3), A,a=77.35(3)°,β=69.94(2)°,γ=63.50(3)°,V=2351(1)A^3,Z=2,D_c=1.799g cm^(-3).Room tem- perature,graphite-filtered Mo K_α,radiation(λ=0.71073A)was used for data collection.μ=14.988 cm^(-1),F(000)=1280,R=0.051 for 7025 observed reflections.The crystal consists of decrete cluster molecules containing a duster core[Mo_3(μ_3-S)]^(10+)with three μ-S,one μ-dtp(dtp=[S_2P(OC_2H_5)]^(2-), three x-dtp and one allylthioureo to form a local six-coordinated sphere around each Mo atom.The bónds of cluster skeleton[Mo_3(μ_3-S)(μ-S)_3]^(4+),Mo—Mo 2.744～2.766,Mo—(μ_3-S)2.340～2.342 and Mo—(μ-S)2.272～2.296 A,are comparable with those found in the related analogues.
