Synthesis, characterisation and reactivity of germanium(ii) amidinate and guanidinate complexes
Jones, Cameron; Rose, Richard P.; Stasch, Andreas; Dalton Transactions  (2008) 2871–2878; doi:10.1039/b801168k

data_7003911
_publ_section_title
;
 Synthesis, characterisation and reactivity of germanium(ii) amidinate
 and guanidinate complexes
;
_journal_issue                   21
_journal_name_full               'Dalton Transactions'
_journal_page_first              2871
_journal_page_last               2878
_journal_paper_doi               10.1039/b801168k
_journal_year                    2008
_chemical_formula_sum            'C31 H48 Cl4 Ga Ge N3'
_chemical_formula_weight         746.83
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 110.87(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.025(3)
_cell_length_b                   12.550(3)
_cell_length_c                   19.558(4)
_cell_measurement_temperature    150(2)
_cell_volume                     3675.3(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0311
_diffrn_reflns_av_sigmaI/netI    0.0433
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15624
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    1.865
_exptl_absorpt_correction_T_max  0.843
_exptl_absorpt_correction_T_min  0.682
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.406
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         8003
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0353
_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/[\s^2^(Fo^2^)+(0.0232P)^2^+2.4273P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0695
_refine_ls_wR_factor_ref         0.0746
_reflns_number_gt                6406
_reflns_number_total             8003
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b801168k.txt
_cod_data_source_block           compound8
_cod_original_cell_volume        3675.4(13)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7003911