Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Bijan Etemadi"'
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 6, Pp m698-m699 (2009)
In the molecule of the title compound, [Co(C44H24Cl4N4){(C4H9)3P}2]ClO4, the CoIII centre has a slightly distorted octahedral geometry and is coordinated by four N atoms of the tetrapyrrolic ring in the equatorial positions and two phosphine ligands
Externí odkaz:
https://doaj.org/article/d28ab34c65434dcabc1e12c08042fd80
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 6, Pp o1309-o1309 (2009)
The molecule of the title compound, C20H20N2O6, lies across a crystallographic inversion centre, the asymmetric unit comprising one half-molecule. An intramolecular O—H...N hydrogen bond generates a six-membered ring, producing an S(6) ring motif.
Externí odkaz:
https://doaj.org/article/e20157ed098b4b5b92358477eb5e27c6
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 5, Pp o966-o967 (2009)
The title compound, C20H16N4O4, contains two crystallographically independent molecules (A and B) in the asymmetric unit. Intramolecular N—H...O hydrogen bonds generate S(6) ring motifs in both molecules. The dihedral angles between the nitro-subst
Externí odkaz:
https://doaj.org/article/18d7c4faa67149da99c72ff20f013949
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o833-o834 (2009)
In the title molecule, C15H14N4O4, the dihedral angle between the two benzene rings is 2.21 (7)°. An intramolecular N—H...O hydrogen bond generates an S(6) ring motif. The mean planes of the ortho- and para-nitro groups make dihedral angles of 2.1
Externí odkaz:
https://doaj.org/article/65ebd3929ab145bc88a704b4841f2143
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o821-o822 (2009)
In the title compound, C14H13BrN2O2S, a novel sulfonamide derivative, intermolecular N—H...O and C—H...O hydrogen bonds link neighbouring molecules into different dimers along the b axis, generating R22(8) and R22(16) ring motifs. The dihedral an
Externí odkaz:
https://doaj.org/article/ff38ea13a3e44bccb7971d6c1216603e
Alvand blue sapphire is related to the igneous rocks of Alvand pluton, located in the Sanandaj–Sirjan zone, Hamadan area. The main geological unit is the Alvand batholith including gabbro, granite, and granitoid. Sapphire occurs within the desilica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dac299f3f4607c1cdbac70ddd2a077ab
https://doi.org/10.21203/rs.3.rs-1530821/v1
https://doi.org/10.21203/rs.3.rs-1530821/v1
Publikováno v:
Iranian Journal of Crystallography and Mineralogy. 27:795-808
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2d9bb52e349295503e38757da900285
https://doi.org/10.29252/ijcm.27.4.795
https://doi.org/10.29252/ijcm.27.4.795
Publikováno v:
Carbonates and Evaporites. 34:389-403
Dolomites are well-known minerals; belonging to the Infra-Cambrian Hormuz Series lies within the salt domes of southern Iran. In this paper, the origin and alteration of dolomitic rocks of Paskhand and Deh-kuyeh salt diapirs in the area of Larestan (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88d93de1332dcb9d2aeee6d494cddab6
https://doi.org/10.1007/s13146-017-0399-5
https://doi.org/10.1007/s13146-017-0399-5
Akademický článek
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Publikováno v:
Arabian Journal of Geosciences. 9
Fluorite mineralization occurs in Middle Triassic dolomite of the Shotori formation in the Kamar-Mehdi region, southwest of Tabas, Iran. Ore deposits consist of fluorite, barite, galena, calcite, and quartz. The accompanying minerals are iron and man
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad015679eaf251066bc4f3a739af1afc
https://doi.org/10.1007/s12517-015-2160-5
https://doi.org/10.1007/s12517-015-2160-5