#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2100989.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_2100989 loop_ _publ_author_name 'Aguirre-Zamalloa, G.' 'Madariaga, G.' 'Couzi, M.' 'Breczewski, T.' _publ_section_title ; X-ray diffraction study of the ferroelectric phase transition of (CH~3~)~4~NCdBr~3~ (TMCB) ; _journal_issue 4 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 691 _journal_page_last 698 _journal_volume 49 _journal_year 1993 _chemical_formula_sum 'C4 H12 Br3 Cd N' _[local]_cod_chemical_formula_sum_orig 'C4 H12 Br3 Cd1 N1' _chemical_formula_weight 426.27 _symmetry_cell_setting hexagonal _symmetry_space_group_name_Hall '-P 6c' _symmetry_space_group_name_H-M 'P 63/m' _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 120. _cell_formula_units_Z 2 _cell_length_a 9.388(2) _cell_length_b 9.388(2) _cell_length_c 6.991(5) _cell_volume 533.6(6) _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.7107 _exptl_absorpt_coefficient_mu 13.103 _exptl_crystal_density_diffrn 2.653(3) _exptl_crystal_F_000 392 _[local]_cod_data_source_file al0552.cif loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cd .0 .0 .0 Br .2651(2) .1581(2) .25 N .3333 .6666 .25 C(1) .150(4) .522(5) .25 C(2) .223(7) .580(8) .094(5) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance N C(1) 1.56(9) N C(2) 1.44(4) C(2) C(1)i 2.45(6) C(2) C(2)ii 2.18(5) C(2) C(1)iii 2.46(8) C(1)i C(1)iii 2.72(6) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C(2) N C(1)i 109(3) C(2) N C(2)ii 98(3) C(2) N C(1) 109(3) C(1)i N C(1)iii 120(2) _cod_database_code 2100989