#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/05/2000508.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2000508 loop_ _publ_author_name 'Chattopadhyay, T. K.' 'Palmer, R. A.' 'Lisgarten, J. N.' 'Wyns, L.' 'Gazi, D. M.' _publ_section_title ; Structures of chromium(III) cyclam complexes. 4. Structure of trans-bromochloro(1,4,8,11-tetraazacyclotetradecane)chromium(III) bromide displaying structural enantiomorphism with the dibromo complex ; _journal_issue 10 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1756 _journal_page_last 1759 _journal_volume 48 _journal_year 1992 _chemical_formula_moiety 'C10 H24 Br1 Cl1 Cr1 N4,Br1' _chemical_formula_sum 'C10 H24 Br2 Cl Cr N4' _chemical_formula_weight 447.7 _symmetry_cell_setting tetragonal _symmetry_space_group_name_Hall '-P 4c' _symmetry_space_group_name_H-M 'P 42/m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 7.7750(10) _cell_length_b 7.7750(10) _cell_length_c 13.686(2) _cell_volume 827.33(19) _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.71073 _exptl_absorpt_coefficient_mu 5.61 _exptl_crystal_density_diffrn 1.81 _exptl_crystal_F_000 446.0 _[local]_cod_data_source_file he0039.cif _[local]_cod_data_source_block he0039a _[local]_cod_chemical_formula_sum_orig 'C10 H24 Br2 Cl1 Cr1 N4' _cod_original_cell_volume 827.2(3) _cod_database_code 2000508 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Br(1) .3012(10) .2466(8) .0 .0420(10) Cr(1) .5 .0 .0 .0240(10) Cl(1) .326(3) .253(2) .0 .0390(10) N(1) .6470(4) .1027(5) -.1113(3) .0390(10) C(2) .5425(6) .0878(7) -.2009(3) .036(2) C(3) .7174(6) .2783(6) -.0944(4) .049(3) C(4) .8167(10) .2893(9) .0 .051(3) Br(2) .0 .0 .25 .052(5) H(11) .7530(4) .0133(5) -.1150(3) ? H(21) .4452(6) .1905(7) -.2040(3) ? H(22) .6275(6) .0966(7) -.2632(3) ? H(31) .8027(6) .3107(6) -.1538(4) ? H(32) .6118(6) .3685(6) -.0924(4) ? H(41) .8835(10) .4111(9) .0 ? H(42) .9093(10) .1858(9) .0 ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Cr(1) Cl(1) 2.385(5) Cr(1) Br(1) 2.463(2) Cr(1) N(1) 2.064(4) C(2) C(2') 1.517(11) C(2) N(1) 1.476(6) C(3) N(1) 1.489(6) C(3) C(4) 1.507(6) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle N(1) Cr(1) Br(1) 96.6(2) N(1) Cr(1) Cl(1) 89.8(4) Cl(1) Cr(1) Br(1) 4.3(9) N(1) Cr(1) N(1') 85.0(2) N(1) Cr(1) N(1") 95.0(2) C(3) N(1) Cr(1) 116.3(3) C(2) N(1) C(2) 113.8(4) C(2) N(1) Cr(1) 106.2(3) C(3) C(4) C(3") 117.9(6) _journal_paper_doi 10.1107/S0108270192000039