Synthesis and Structural Characterization of Homoleptic 1,2,4-Diazaphospholide Alkaline Earth Metal Complexes
Liu, Dongling; Wang, Yongli; Pi, Chengfu; Zheng, Wenjun; Organometallics 33 (2014) 6013–; doi:10.1021/om500621s

data_4084513
_publ_section_title
;
 Synthesis and Structural Characterization of Homoleptic
 1,2,4-Diazaphospholide Alkaline Earth Metal Complexes
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              6013
_journal_paper_doi               10.1021/om500621s
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C40 H74 Ca N8 P4'
_chemical_formula_weight         831.03
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 106.717(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.7274(12)
_cell_length_b                   19.7191(15)
_cell_length_c                   20.0531(18)
_cell_measurement_reflns_used    2418
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.043
_cell_measurement_theta_min      3.465
_cell_volume                     5198.8(8)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'multiwire proportional'
_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  0.0338
_diffrn_reflns_av_sigmaI/netI    0.0592
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            10685
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.276
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.78514
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.062
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1800
_exptl_crystal_size_max          0.211
_exptl_crystal_size_mid          0.167
_exptl_crystal_size_min          0.121
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.195
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         5104
_refine_ls_number_restraints     68
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0991
_refine_ls_R_factor_gt           0.0570
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0857P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1444
_refine_ls_wR_factor_ref         0.1675
_reflns_number_gt                3121
_reflns_number_total             5104
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500621s_si_001.cif
_cod_data_source_block           compound6
_cod_depositor_comments
'Adding full bibliography for 4084511--4084513.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4084513