Reduction of Bromo- and Iodo-2,6-bis(diphenylphosphanylmethyl)benzene with Magnesium and Calcium
Koch, A.; Krieck, S.; Gorls, H.; Westerhausen, M.; Inorganics 4 (2016) 39–; doi:10.3390/inorganics4040039

data_1556481
_publ_section_title
;
 Reduction of Bromo- and Iodo-2,6-bis(diphenylphosphanylmethyl)benzene
 with Magnesium and Calcium
;
_journal_name_full               Inorganics
_journal_page_first              39
_journal_paper_doi               10.3390/inorganics4040039
_journal_volume                  4
_journal_year                    2016
_chemical_formula_moiety         'C48 H68 Ca2 I2 O10 P2, 2(C4 H10 O)'
_chemical_formula_sum            'C56 H88 Ca2 I2 O12 P2'
_chemical_formula_weight         1349.16
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 103.851(1)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.3778(3)
_cell_length_b                   17.8753(4)
_cell_length_c                   14.3016(3)
_cell_measurement_reflns_used    17438
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.49
_cell_volume                     3072.31(12)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + 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  0.0214
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17438
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.49
_exptl_absorpt_coefficient_mu    1.299
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6755
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2002'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.045
_exptl_crystal_size_mid          0.034
_exptl_crystal_size_min          0.032
_refine_diff_density_max         2.123
_refine_diff_density_min         -1.078
_refine_diff_density_rms         0.141
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         6997
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0701
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0881P)^2^+17.9786P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1856
_refine_ls_wR_factor_ref         0.1914
_reflns_number_gt                6320
_reflns_number_total             6997
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            inorganics-2016-4-39.cif
_cod_data_source_block           FO5524
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1556481