Synthesis and structural characterisation of germanium(II) halide complexes with neutral N-donor ligands.
Cheng, Fei; Dyke, John M.; Ferrante, Francesco; Hector, Andrew L.; Levason, William; Reid, Gillian; Webster, Michael; Zhang, Wenjian; Dalton transactions (Cambridge, England : 2003) 39 (2010) 847–856; doi:10.1039/b911016j

data_7024098
_publ_section_title
;
 Synthesis and structural characterisation of germanium(II) halide
 complexes with neutral N-donor ligands.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              847
_journal_page_last               856
_journal_paper_doi               10.1039/b911016j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C12 H8 Br2 Ge N2'
_chemical_formula_sum            'C12 H8 Br2 Ge N2'
_chemical_formula_weight         412.61
_chemical_name_common
Dibromido(1,10-phenanthroline-N,N')germanium(ii)
_chemical_name_systematic
;
Dibromido(1,10-phenanthroline-N,N')germanium(II)
;
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2008-04-21
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 91.091(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.226(2)
_cell_length_b                   14.703(3)
_cell_length_c                   7.2715(10)
_cell_measurement_reflns_used    4795
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1200.0(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0327
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7867
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         3.59
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.187
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5689
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'G.M. Sheldrick, (2007). SADABS. Version 2007/2. Bruker AXS Inc.'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.284
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.427
_refine_diff_density_min         -0.753
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     78
_refine_ls_number_reflns         1373
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0288
_refine_ls_R_factor_gt           0.0248
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0274P)^2^+1.7014P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0595
_refine_ls_wR_factor_ref         0.0615
_reflns_number_gt                1261
_reflns_number_total             1373
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b911016j.txt
_cod_data_source_block           08wz006
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7024098