Pseudoheptacoordination and Pseudohexacoordination in Tris(2-N,N-dimethylbenzylamino)phosphane
A. Chandrasekaran; Natalya V. Timosheva; Roberta O. Day; Robert R. Holmes; Inorganic Chemistry 41 (2002) 5235–5240; doi:10.1021/ic020153i

data_4318544
_publ_section_title
;
 Pseudoheptacoordination and Pseudohexacoordination in
 Tris(2-N,N-dimethylbenzylamino)phosphane
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5235
_journal_page_last               5240
_journal_paper_doi               10.1021/ic020153i
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C27 H36 N3 P'
_chemical_formula_weight         433.56
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 93.5637(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1686(3)
_cell_length_b                   18.2790(5)
_cell_length_c                   15.4814(6)
_cell_measurement_temperature    293(2)
_cell_volume                     2589.55(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  KappaCCD
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8688
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         4.11
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.9697
_exptl_absorpt_correction_T_min  0.9407
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.112
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.197
_refine_diff_density_min         -0.158
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.34(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.297
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     560
_refine_ls_number_reflns         8688
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.297
_refine_ls_R_factor_all          0.0712
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0390P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1065
_reflns_number_gt                6908
_reflns_number_total             8688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020153i_s1_2.cif
_cod_data_source_block           acp47
_cod_database_code               4318544