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  • 1
    Electronic Resource
    Electronic Resource
    Über ein neues Oxoiridat(IV): Ba7Ir6O19 (1989)
    Springer
    Monatshefte für Chemie 120 (1989), S. 705-710 
    Details
    ISSN: 1434-4475
    Keywords: Barium ; Iridium ; Oxygen ; Crystal structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The so far unknown compound Ba7Ir6O19 was prepared by long time solid state reactions using a flux of BaCl2. X-ray single crystal work lead to the space group C 2h 3 —C2/m;a=14.913;b=5.778;c=10.979 Å; β=99.58°;Z=2. It crystallizes with a new structure type characterized by three face-shared octahedra. The Ir3O12-groups build up a threedimensional network with an incorporated Ba/O-frame.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00809961
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  • 2
    Electronic Resource
    Electronic Resource
    Strontiumazid-Harnstoff, Sr(N3)2·OC(NH2)2 Darstellung und Kristallstruktur (1987)
    Springer
    Monatshefte für Chemie 118 (1987), S. 727-731 
    Details
    ISSN: 1434-4475
    Keywords: Azide ; Crystal structure ; Strontium ; Urea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Sr(N3)2 · OC(NH2)2 was prepared by the reaction of Sr(N3)2 with urea in aqueous solution. The crystals are monoclinic,a=12.993 (4),b=7.177 (1),c=7.896 (1) Å, β=98.98 (1)°, space group P 21/a,N=4. The crystal structure was determined by single crystal X-ray methods and refined toR w=0.086. The crystal structure consists of [SrN6O2]-antiprism which are linked to form layers parallel 001.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00809222
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  • 3
    Electronic Resource
    Electronic Resource
    Tetramethylammonium-calcium-triazid. Darstellung und Kristallstruktur (1988)
    Springer
    Monatshefte für Chemie 119 (1988), S. 1245-1249 
    Details
    ISSN: 1434-4475
    Keywords: Azide ; Calcium ; Crystal structure ; Tetramethylammonium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract [N(CH3)4]Ca(N3)3,M=240.29, was prepared from aqueous solutions of tetramethylammoniumazide with calciumazide at 298 K. The crystals are tetragonala=936.6(7) pm,c=694.7(5)pm, space group P4/nmm,Z=2, ρ(x)=1.31Mgm−3. The crystal structure was determined by single crystal x-ray diffraction (234 Mo-Kα-reflections, μ=0.469 mm−1,R=0.064). Calcium is octahedrally coordinated to six azide groups. The octahedra are connected via azide groups to a threedimensional array with the complex ammonium ions between. The terminal nitrogen atoms of the azide groups and the methyl groups are considerably disordered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00808305
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  • 4
    Electronic Resource
    Electronic Resource
    Die Kristallstruktur eines polynuklearen Co(II)-Komplexes in Cs2[Co3(N3)8] (1988)
    Springer
    Monatshefte für Chemie 119 (1988), S. 509-514 
    Details
    ISSN: 1434-4475
    Keywords: Azide ; Cesium ; Cobalt ; Complex ; Crystal structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Cs2[Co3(N3)8] crystallizes monoclinic,a=1 123.8 (3),b=568.4 (2),c=1 542.6 (4) pm, β=107.37 (2)°, space group P21/n,Z=2. The crystal structure was determined by single crystal X-ray diffraction,R w=0.069. Coatoms are coordinated octahedrally to six azide groups and form polynuclear complexes of composition [Co3(N3)8]2−. The complex anions share edges and are connected to infinite chains running along theb-axis direction. Cesium is irregularly surrounded by azide groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00809202
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  • 5
    Electronic Resource
    Electronic Resource
    Die Kristallstruktur des Calciumazid-Dihydrates (1988)
    Springer
    Monatshefte für Chemie 119 (1988), S. 921-927 
    Details
    ISSN: 1434-4475
    Keywords: Azide ; Calcium ; Crystal structure ; Dihydrate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Single crystals of Ca(N3)2·2 H2O have been prepared from aqueous solutions at room temperature. The crystals are monoclinic,a=1 159.0 (3),b=614.2 (2),c=785.5 (2) pm, β=106.52 (2)°,Z=4, space group P21/n. The crystal structure was determined by single crystal X-ray diffraction (1 109 Mo-Kα-reflexions,R=0.052). Calcium atoms are surrounded by four azide groups and four water molecules. The coordination polyhedra are antiprism which are sharing azide groups and water molecules to form layers. The lattice constants and powder pattern agree well with values reported earlier for Ca(N3)2 · 1.5 H2O [1]. It was also shown, that Sr(N3)2 · 2 H2O is isotypic with Ca(N3)2 · 2 H2O.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00810101
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  • 6
    Electronic Resource
    Electronic Resource
    Röntgenstrukturanalyse des Methyl-5-acetylamino-7,8-anhydro-4,9-bis-O-(t-butyldimethylsilyl)-3,5-didesoxy-L-glycero-β-D-galakto-2-nonulopyranosidon-säuremethylesters (1981)
    Springer
    Monatshefte für Chemie 112 (1981), S. 1105-1111 
    Details
    ISSN: 1434-4475
    Keywords: Crystal structure ; Oxiranes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract An X-ray crystal structure analysis of the title compound was carried out at −168°C in order to assign the stereochemistry around the oxirane: C25H49NO8Si2, trigonal, R3,a=25.18(1),c=13.55(1) Å (hexagonal axes),Z=9,d x =1.105. The structure was solved with direct methods and refined to anR-factor of 0.086.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00905464
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  • 7
    Electronic Resource
    Electronic Resource
    Kristallstruktur von Monosilber(I)amidosulfat, AgSO3NH2 (1987)
    Springer
    Monatshefte für Chemie 118 (1987), S. 19-23 
    Details
    ISSN: 1434-4475
    Keywords: Crystal structure ; Monosilver (I) amidosulfate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A crystal structure analysis of the colourless AgSO3NH2 was carried out at room temperature:M=203.95, orthorhombic, Pcab,a=7.809 (2) Å,b=8.067 (2) Å,c=11.682 (3) Å,V=735.9 Å3,Z=8,d x=3.681 Mgm−3,F(000)=760, Mo Kα, λ=0.71069 Å (graphite monochromator), μ=5.77 mm−1,R=4.36% (509 reflections, 56 parameters). The ionic structure shows approximate trigonal bipyramidal coordination around the Ag+-ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00810036
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  • 8
    Electronic Resource
    Electronic Resource
    Kristallstruktur von Trisilber(I)amidosulfat-3-Ammoniak-2-Wasser, Ag3SO3N · 3NH3 · 2H2O (1987)
    Springer
    Monatshefte für Chemie 118 (1987), S. 349-354 
    Details
    ISSN: 1434-4475
    Keywords: Crystal structure ; Colour of Ag(I) compounds ; Amidosulfates ; Trisilver(I) amidosulfate-3-ammonia-2-water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract An X-ray crystal structure analysis of colourless Ag3SO3N · 3NH3 · 2H2O was carried out at room temperature:M=504.79, orthorhombic, P212121,a=6.275 (1) Å,b=11.826 (2) Å,c=14.299 (12) Å,V=1061.10 Å3,Z=4,d x=3.160 Mgm−3,F(000)=940, Mo Kα, λ=0.71069 Å (graphite monochromator), μ=5.60 mm−1,R=4.71%,R w=4.96% (982 reflections, 120 parameters). The structure consists of Ag ribbons; each Ag atom is linearly co-ordinated to two N atoms with distances corresponding to covalent Ag-N bonds; no Ag-O coordination is observed; the N atom of the SO3N group is surrounded by three Ag atoms; compared to amidosulfuric acid, the SO3N group shows significant deformation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00809945
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  • 9
    Electronic Resource
    Electronic Resource
    Kristallstruktur von Sulfamid, SO2(NH2)2 (1987)
    Springer
    Monatshefte für Chemie 118 (1987), S. 427-433 
    Details
    ISSN: 1434-4475
    Keywords: Sulfamide ; Crystal structure ; Anisotropic extinction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract X-ray crystal structure analyses of sulfamide were carried out at 293 K and at 100 K:M=96.10, orthorhombic, Fdd2,Z=8,F(000)=400, Mo Kα, λ=0.71069 Å (graphite monochromator). A) 293 K:a=9.127 (1) Å,b=16.857 (5) Å,c=4.579 (1) Å,V=704.50 Å3,d x =1.812 Mgm−3, μ=0.648 mm−1,R=1.77%,R w =1.94% (384 reflections, 33 parameters). B) 100K:a=9.059 (1) Å,b=16.780 (8) Å,c=4.517 (1) Å,V=686.63 Å3,d x =1.859 Mgm−3, μ=0.665 mm−1,R=1.78%,R w =1.95% (404 reflections, 33 parameters). The sulfamide molecule shows at 293 K S-O and S-N distances of 1.429 (1) Å and 1.620 (1) Å, respectively, which are in agreement with IR data. Hydrogen positions could be determined from differenceFourier syntheses. Strong weakening of some intense low order reflections by extinction was observed, their anisotropy depends on the crystal and on temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00809925
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  • 10
    Electronic Resource
    Electronic Resource
    Präparation und Kristallstrukturanalyse von Ca(N3)2(C5H5N)2 (1987)
    Springer
    Monatshefte für Chemie 118 (1987), S. 567-572 
    Details
    ISSN: 1434-4475
    Keywords: Azide ; Calcium ; Crystal structure ; Pyridine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Diazido-dipyridine-calcium was prepared by the reaction of Ca(N3)2 with pyridine. The crystals are tetragonal, space group I $$\bar 4$$ 2 m (121),N=2,a=699.7 (1),c=1 450.6 (5) pm. The crystal structure was determined by single crystal X-ray diffraction, 415 independent observed Mo-Kα-counter reflexions,R=0.049. The calcium atoms are sixcoordinated to four nitrogen atoms of azide groups and to two nitrogen atoms of pyridine. The coordination polyhedra are tetragonal bipyramids which are linked together by four azide groups to form sheets of composition Ca(N3)2. The pyridine rings are directed perpendicular to the sheets.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00809666
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