New bisphosphomide ligands, 1,3-phenylenebis((diphenylphosphino)methanone) and (2-bromo-1,3-phenylene)bis((diphenylphosphino)methanone): synthesis, coordination behavior, DFT calculations and catalytic studies.
Kumar, Pawan; Siddiqui, Mujahuddin M.; Reddi, Yerrnaidu; Mague, Joel T.; Sunoj, Raghavan B.; Balakrishna, Maravanji S.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 11385–11399; doi:10.1039/c3dt51046h

data_7021722
_publ_section_title
;
 New bisphosphomide ligands,
 1,3-phenylenebis((diphenylphosphino)methanone) and
 (2-bromo-1,3-phenylene)bis((diphenylphosphino)methanone): synthesis,
 coordination behavior, DFT calculations and catalytic studies.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11385
_journal_page_last               11399
_journal_paper_doi               10.1039/c3dt51046h
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C32 H23 Br Ni O2 P2, C H2 Cl2'
_chemical_formula_sum            'C33 H25 Br Cl2 Ni O2 P2'
_chemical_formula_weight         724.99
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                63.683(1)
_cell_angle_beta                 67.267(1)
_cell_angle_gamma                76.562(1)
_cell_formula_units_Z            2
_cell_length_a                   11.9842(12)
_cell_length_b                   12.0194(12)
_cell_length_c                   12.7559(13)
_cell_measurement_reflns_used    9841
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      29.10
_cell_measurement_theta_min      2.23
_cell_volume                     1514.9(3)
_computing_cell_refinement       'Bruker SAINT (Bruker-AXS 2009a)'
_computing_data_collection       'Bruker APEX2 (Bruker-AXS, 2009)'
_computing_data_reduction        'Bruker SAINT (Bruker-AXS 2009a)'
_computing_molecular_graphics    'Bruker SHELXTL(Bruker-AXS 2008)'
_computing_publication_material  'Bruker SHELXTL(Bruker-AXS 2008)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       '\f and \w 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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            26273
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    2.272
_exptl_absorpt_correction_T_max  0.8269
_exptl_absorpt_correction_T_min  0.5940
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008a)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.589
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             732
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.063
_refine_diff_density_min         -1.032
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         7237
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0354
_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^)+(0.0447P)^2^+1.6232P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0888
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                6304
_reflns_number_total             7237
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51046h.txt
_cod_data_source_block           msb478_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7021722