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_7024095
_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         'C10 H8 Cl2 Ge N2'
_chemical_formula_sum            'C10 H8 Cl2 Ge N2'
_chemical_formula_weight         299.67
_chemical_name_common            (2,2'-bipyridyl)dichloridogermanium(ii)
_chemical_name_systematic
;
(2,2'-bipyridyl)dichloridogermanium(II)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2007-11-01
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 94.057(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.8277(5)
_cell_length_b                   17.957(3)
_cell_length_c                   9.0560(10)
_cell_measurement_reflns_used    18284
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1107.5(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            19949
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.20
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.213
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6114
_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    1.797
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.475
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2530
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0256
_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^)+(0.0339P)^2^+0.4572P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0632
_refine_ls_wR_factor_ref         0.0662
_reflns_number_gt                2274
_reflns_number_total             2530
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            b911016j.txt
_cod_data_source_block           07wz021
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7024095