Preparation and Coordination Chemistry of Bidentate Benzimidazoline-2-germylenes
Zabula, Alexander V.; Hahn, F. Ekkehardt; Pape, Tania; Hepp, Alexander; Organometallics 26 (2007) 1972–; doi:10.1021/om070054i

data_4073078
_publ_section_title
;
 Preparation and Coordination Chemistry of Bidentate
 Benzimidazoline-2-germylenes
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              1972
_journal_paper_doi               10.1021/om070054i
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C30 H38 Ge2 N4'
_chemical_formula_weight         599.82
_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                 97.7960(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.9549(2)
_cell_length_b                   5.78920(10)
_cell_length_c                   28.8671(4)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      70
_cell_measurement_theta_min      1
_cell_volume                     2807.27(7)
_computing_cell_refinement       'SAINT (Bruker AXS, 2000)'
_computing_data_collection       'SMART (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2000)'
_computing_molecular_graphics
;
ORTEP3,L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  goebel-mirror
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0455
_diffrn_reflns_av_sigmaI/netI    0.0640
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            15699
_diffrn_reflns_theta_full        70.09
_diffrn_reflns_theta_max         70.09
_diffrn_reflns_theta_min         2.63
_exptl_absorpt_coefficient_mu    2.820
_exptl_absorpt_correction_T_max  0.8058
_exptl_absorpt_correction_T_min  0.6935
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Corrections were done with the SADABS program, utilizing the none merged
 raw data obtained from the integration process. Integration and final cell
 refinement were done with SAINT.

 SADABS reports  Maximum and minimum 
 effective transmission:  1.000000  0.796270
   

;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent prism'
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.344
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.867
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     331
_refine_ls_number_reflns         5057
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.867
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0309
_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^)+(0.0226P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0604
_refine_ls_wR_factor_ref         0.0625
_reflns_number_gt                3764
_reflns_number_total             5057
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om070054isi20070118_062101.cif
_cod_data_source_block           6
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4073078