A novel synthesis of metallogermacyclopropane and molybdenum bis(iminophosphorano)carbene complexes from bisgermavinylidene
Leung, Wing-Por; So, Cheuk-Wai; Wang, Jin-Zhi; Mak, Thomas C. W.; Chemical Communications (Cambridge, United Kingdom)  (2003) 248–249; doi:10.1039/b210598e

data_7103936
_publ_section_title
;
 A novel synthesis of metallogermacyclopropane and molybdenum
 bis(iminophosphorano)carbene complexes from bisgermavinylidene
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   2
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              248
_journal_page_last               249
_journal_paper_doi               10.1039/b210598e
_journal_year                    2003
_chemical_formula_sum            'C39 H38 Ge N2 O8 P2 Si2 W2'
_chemical_formula_weight         1221.12
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.9208(15)
_cell_length_b                   19.945(3)
_cell_length_c                   20.951(3)
_cell_measurement_reflns_used    21414
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     4563.3(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL NT'
_computing_molecular_graphics    'Bruker SHELXTL NT'
_computing_publication_material  'Bruker SHELXTL NT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker CCD Area Detector'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0390
_diffrn_reflns_av_sigmaI/netI    0.0397
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            31134
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    5.855
_exptl_absorpt_correction_T_max  0.3872
_exptl_absorpt_correction_T_min  0.2910
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS; Sheldrick 1996'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.777
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2352
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.149
_refine_diff_density_min         -1.099
_refine_diff_density_rms         0.315
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.011(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         10521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0277
_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^)+(0.0442P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0628
_refine_ls_wR_factor_ref         0.0836
_reflns_number_gt                9264
_reflns_number_total             10521
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b210598e.txt
_cod_data_source_block           scw1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7103936