A new compound [Cu(AFO)2(N3)2](DMF)(H2O)(AFO=4,5-diazafluorene-9-one)was synthesized.Its structure was determined by single X-ray diffraction.The crystal belongs to monoclinic system,space group C2/c.The cry...A new compound [Cu(AFO)2(N3)2](DMF)(H2O)(AFO=4,5-diazafluorene-9-one)was synthesized.Its structure was determined by single X-ray diffraction.The crystal belongs to monoclinic system,space group C2/c.The crystallographic data,were determined a=1.2609(2)nm,b=0.8000(1)nm,c=2.6220(4)nm,β=109.964(6)°,V=2.4859(6)nm3,Z=4,F(000)=1236,Mr=603.07,Dc=1.611 Mg/m3,μ=0.937 nm-1,R1=0.0561,and wR2=0.1290.In the crystal Cu(II) atom is coordinated with four nitrogen from two AFO ligands and two nitrogen atoms from two azide ions to form an elonged-octahedron geometry.展开更多
美国天气局于1972年制定了全国业务和服务自动化(Automation of Field Operation andService)计划,简称“阿弗斯(AFOS)”计划。根据这个计划的要求,将使用最新的资料处理和通信技术,使天气局系统的日常业务工作自动化,使预报和服务工作...美国天气局于1972年制定了全国业务和服务自动化(Automation of Field Operation andService)计划,简称“阿弗斯(AFOS)”计划。根据这个计划的要求,将使用最新的资料处理和通信技术,使天气局系统的日常业务工作自动化,使预报和服务工作得到明显改进。计划建成216个“阿弗斯”系统,预计要花6—8年时间,总造价4千万美元。展开更多
文摘A new compound [Cu(AFO)2(N3)2](DMF)(H2O)(AFO=4,5-diazafluorene-9-one)was synthesized.Its structure was determined by single X-ray diffraction.The crystal belongs to monoclinic system,space group C2/c.The crystallographic data,were determined a=1.2609(2)nm,b=0.8000(1)nm,c=2.6220(4)nm,β=109.964(6)°,V=2.4859(6)nm3,Z=4,F(000)=1236,Mr=603.07,Dc=1.611 Mg/m3,μ=0.937 nm-1,R1=0.0561,and wR2=0.1290.In the crystal Cu(II) atom is coordinated with four nitrogen from two AFO ligands and two nitrogen atoms from two azide ions to form an elonged-octahedron geometry.
文摘美国天气局于1972年制定了全国业务和服务自动化(Automation of Field Operation andService)计划,简称“阿弗斯(AFOS)”计划。根据这个计划的要求,将使用最新的资料处理和通信技术,使天气局系统的日常业务工作自动化,使预报和服务工作得到明显改进。计划建成216个“阿弗斯”系统,预计要花6—8年时间,总造价4千万美元。