Coordination of bis(azol-1-yl)methane-based bisphosphines towards Ru(II), Rh(I), Pd(II) and Pt(II): synthesis, structural and catalytic studies.
Bhat, Sajad A.; Pandey, Madhusudan K.; Mague, Joel T.; Balakrishna, Maravanji S.; Dalton transactions (Cambridge, England : 2003) 46 (2016) 227–241; doi:10.1039/c6dt04094b

data_7041235
_publ_section_title
;
 Coordination of bis(azol-1-yl)methane-based bisphosphines towards Ru(II),
 Rh(I), Pd(II) and Pt(II): synthesis, structural and catalytic studies.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              227
_journal_page_last               241
_journal_paper_doi               10.1039/c6dt04094b
_journal_volume                  46
_journal_year                    2016
_chemical_formula_moiety         'C31 H26 N4 P2'
_chemical_formula_sum            'C31 H26 N4 P2'
_chemical_formula_weight         516.50
_chemical_name_systematic
2-(diphenylphosphanyl)-1-{[2-(diphenylphosphanyl)-1H-imidazole]methyl}-1H-imidazole
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-06-23 deposited with the CCDC.
2016-11-23 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9713(7)
_cell_length_b                   10.3845(8)
_cell_length_c                   27.663(2)
_cell_measurement_reflns_used    1482
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.80
_cell_measurement_theta_min      2.95
_cell_volume                     2577.2(3)
_computing_cell_refinement       'Bruker SAINT (Bruker-AXS, 2009)'
_computing_data_collection       'Bruker APEX2 (Bruker-AXS, 2010)'
_computing_data_reduction        'Bruker SAINT (Bruker-AXS, 2009)'
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0587
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            83301
_diffrn_reflns_theta_full        28.22
_diffrn_reflns_theta_max         28.22
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.197
_exptl_absorpt_correction_T_max  0.9767
_exptl_absorpt_correction_T_min  0.7060
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'TWINABS (Sheldrick, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.393
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack, 1983'
_refine_ls_abs_structure_Flack   0.02(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         6350
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0353
_refine_ls_R_factor_gt           0.0332
_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^)+(0.0420P)^2^+0.8639P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0828
_refine_ls_wR_factor_ref         0.0847
_reflns_number_gt                6085
_reflns_number_total             6350
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c6dt04094b2.cif
_cod_data_source_block           msb577_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7041235--7041247.cif.
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7041235