#------------------------------------------------------------------------------
#$Date: 2016-03-26 21:12:16 +0100 (Sat 26 de Mar de 2016) $
#$Revision: 180494 $
#$URL: svn://www.crystallography.net/cod/cif/7/21/63/7216316.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7216316
loop_
_publ_author_name
'Hu, Chunhua'
'Li, Qi'
'Englert, Ulli'
_publ_section_title
;
 Structural trends in one and two dimensional coordination polymers of
 cadmium(ii) with halide bridges and pyridine-type ligands
;
_journal_issue                   94
_journal_name_full               CrystEngComm
_journal_page_first              519
_journal_paper_doi               10.1039/b314522k
_journal_volume                  5
_journal_year                    2003
_chemical_formula_sum            'C10 H10 Br2 Cd N2'
_chemical_formula_weight         430.42
_chemical_name_common
'catena-(bis(mu-bromo)-bis(pyridine)-cadmium(ii)) (Compound 2)'
_chemical_name_systematic
;
catena-[bis(μ-bromo)-bis(pyridine)-cadmium(ii)] (Compound 2)
;
_space_group_IT_number           58
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2 2n'
_symmetry_space_group_name_H-M   'P n n m'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             30-OCT-03
_audit_creation_method           SHELXTL
_audit_update_record             ' ?'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.649(3)
_cell_length_b                   18.159(7)
_cell_length_c                   3.9182(14)
_cell_measurement_reflns_used    7049
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.24
_cell_volume                     615.4(4)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT+ (Bruker, 1999)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXTL (Sheldrick, 1998)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 1998)'
_computing_structure_solution    'SHELXTL (Sheldrick, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0541
_diffrn_reflns_av_sigmaI/netI    0.0341
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            7049
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         2.24
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    8.236
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.425219
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             404
_exptl_crystal_size_max          0.76
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.695
_refine_diff_density_min         -0.800
_refine_diff_density_rms         0.149
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     47
_refine_ls_number_reflns         878
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0461
_refine_ls_R_factor_gt           0.0357
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0361P)²+1.2165P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0816
_refine_ls_wR_factor_ref         0.0853
_reflns_number_gt                720
_reflns_number_total             878
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b314522k.txt
_cod_data_source_block           hc200
_cod_original_sg_symbol_H-M      Pnnm
_cod_database_code               7216316
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, z'
'-x+1/2, y+1/2, -z+1/2'
'x+1/2, -y+1/2, -z+1/2'
'-x, -y, -z'
'x, y, -z'
'x-1/2, -y-1/2, z-1/2'
'-x-1/2, y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
Cd Cd 0.0000 0.0000 0.0000 0.0330(2) Uani 1 4 d S
Br Br -0.16073(8) 0.07548(3) -0.5000 0.0375(2) Uani 1 2 d S
N N -0.1876(7) -0.0914(3) 0.0000 0.0400(13) Uani 1 2 d S
C1 C -0.1471(9) -0.1609(4) 0.0000 0.053(2) Uani 1 2 d S
H1 H -0.0367 -0.1732 0.0000 0.069 Uiso 1 2 calc SR
C2 C -0.2531(10) -0.2176(5) 0.0000 0.068(3) Uani 1 2 d S
H2 H -0.2191 -0.2691 0.0000 0.088 Uiso 1 2 calc SR
C3 C -0.4044(11) -0.2005(5) 0.0000 0.068(2) Uani 1 2 d S
H3 H -0.4829 -0.2395 0.0000 0.088 Uiso 1 2 calc SR
C4 C -0.4458(10) -0.1305(6) 0.0000 0.078(3) Uani 1 2 d S
H4 H -0.5556 -0.1171 0.0000 0.101 Uiso 1 2 calc SR
C5 C -0.3369(9) -0.0775(4) 0.0000 0.065(3) Uani 1 2 d S
H5 H -0.3705 -0.0260 0.0000 0.084 Uiso 1 2 calc SR
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_23
_atom_site_aniso_U_13
_atom_site_aniso_U_12
Cd 0.0338(3) 0.0332(3) 0.0320(4) 0.000 0.000 -0.0017(3)
Br 0.0392(4) 0.0408(4) 0.0325(4) 0.000 0.000 0.0090(3)
N 0.039(3) 0.038(3) 0.043(3) 0.000 0.000 -0.003(2)
C1 0.046(4) 0.040(4) 0.072(6) 0.000 0.000 -0.001(3)
C2 0.062(5) 0.041(4) 0.100(8) 0.000 0.000 -0.014(4)
C3 0.070(6) 0.063(6) 0.070(6) 0.000 0.000 -0.027(5)
C4 0.041(4) 0.078(6) 0.113(9) 0.000 0.000 -0.009(4)
C5 0.040(4) 0.049(4) 0.105(8) 0.000 0.000 0.005(4)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Cd Cd -0.8075 1.2024 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
N Cd N 180.00(18) . 5
N Cd Br 89.83(10) . 5
N Cd Br 90.17(10) 5 5
N Cd Br 89.83(10) . 5_554
N Cd Br 90.17(10) 5 5_554
Br Cd Br 90.20(3) 5 5_554
N Cd Br 90.17(10) . .
N Cd Br 89.83(10) 5 .
Br Cd Br 180.00(2) 5 .
Br Cd Br 89.80(3) 5_554 .
N Cd Br 90.17(10) . 1_556
N Cd Br 89.83(10) 5 1_556
Br Cd Br 89.80(3) 5 1_556
Br Cd Br 180.00(3) 5_554 1_556
Br Cd Br 90.20(3) . 1_556
Cd Br Cd 90.20(3) 1_554 .
C1 N C5 116.5(6) . .
C1 N Cd 120.1(5) . .
C5 N Cd 123.3(5) . .
N C1 C2 122.8(7) . .
N C1 H1 118.6 . .
C2 C1 H1 118.6 . .
C3 C2 C1 118.3(8) . .
C3 C2 H2 120.8 . .
C1 C2 H2 120.8 . .
C4 C3 C2 119.1(8) . .
C4 C3 H3 120.5 . .
C2 C3 H3 120.5 . .
C3 C4 C5 119.8(9) . .
C3 C4 H4 120.1 . .
C5 C4 H4 120.1 . .
N C5 C4 123.4(8) . .
N C5 H5 118.3 . .
C4 C5 H5 118.3 . .
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
Cd N 2.321(5) .
Cd N 2.321(5) 5
Cd Br 2.7657(7) 5
Cd Br 2.7657(7) 5_554
Cd Br 2.7657(7) .
Cd Br 2.7657(7) 1_556
Br Cd 2.7657(7) 1_554
N C1 1.310(8) .
N C5 1.315(9) .
C1 C2 1.379(10) .
C1 H1 0.9800 .
C2 C3 1.345(13) .
C2 H2 0.9800 .
C3 C4 1.321(13) .
C3 H3 0.9800 .
C4 C5 1.346(11) .
C4 H4 0.9800 .
C5 H5 0.9800 .
