Versatile Reactivity of the Germene Mes2GeCR2toward Esters and Related Carbonyl Derivatives
Ech-Cherif El Kettani, Sakina; Lazraq, Mohamed; Ranaivonjatovo, Henri; Escudié, Jean; Gornitzka, Heinz; Ouhsaine, Fatima; Organometallics 26 (2007) 3729–; doi:10.1021/om060917s

data_4072436
_publ_section_title
;
 Versatile Reactivity of the Germene Mes2GeCR2toward Esters and Related
 Carbonyl Derivatives
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3729
_journal_paper_doi               10.1021/om060917s
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C37 H38 Ge O4'
_chemical_formula_weight         619.26
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 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                 101.477(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.3333(13)
_cell_length_b                   9.0086(10)
_cell_length_c                   15.1704(18)
_cell_measurement_reflns_used    6465
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.394
_cell_measurement_theta_min      2.261
_cell_volume                     1517.9(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker CCD detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0246
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8700
_diffrn_reflns_theta_full        26.42
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    1.049
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.786204
_exptl_absorpt_correction_type   semi-empirical
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.4
_refine_diff_density_max         0.678
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.007(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     387
_refine_ls_number_reflns         4251
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0301
_refine_ls_R_factor_gt           0.0283
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0486P)^2^+0.1166P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0700
_refine_ls_wR_factor_ref         0.0712
_reflns_number_gt                4081
_reflns_number_total             4251
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            carbo2a.cif
_cod_data_source_block           3a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      Pn
_cod_database_code               4072436