Non-symmetric diphosphines based on the imidazole scaffold: an unusual group interchange involving Pd-CH3 and (imidazole)P-Ph cleavage.
Ai, Pengfei; Danopoulos, Andreas A.; Braunstein, Pierre; Dalton transactions (Cambridge, England : 2003) 43 (2014) 1957–1960; doi:10.1039/c3dt53025f

data_7028873
_publ_section_title
;
 Non-symmetric diphosphines based on the imidazole scaffold: an unusual
 group interchange involving Pd-CH3 and (imidazole)P-Ph cleavage.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1957
_journal_page_last               1960
_journal_paper_doi               10.1039/c3dt53025f
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C24 H33 Cl N2 P2 Pd'
_chemical_formula_sum            'C24 H33 Cl N2 P2 Pd'
_chemical_formula_weight         553.31
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   25.9649(6)
_cell_length_b                   25.9649(6)
_cell_length_c                   20.5993(7)
_cell_measurement_reflns_used    13360
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     12027.0(6)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 98 (Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0796
_diffrn_reflns_av_sigmaI/netI    0.0805
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24630
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    0.927
_exptl_absorpt_correction_T_max  0.94752
_exptl_absorpt_correction_T_min  0.76154
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULscanABS in PLATON (Spek, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5112
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_platon_squeeze_details
;
 The residual electron density was assigned to half a molecule of the
 pentane solvent [471/18 = 26 e per asymmetric unit; half a molecule
 of C5H12 would give 21 e]. 
;
_refine_diff_density_max         0.769
_refine_diff_density_min         -0.865
_refine_diff_density_rms         0.149
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     278
_refine_ls_number_reflns         6126
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0872
_refine_ls_R_factor_gt           0.0477
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0717P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1248
_refine_ls_wR_factor_ref         0.1401
_reflns_number_gt                3968
_reflns_number_total             6126
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3dt53025f.txt
_cod_data_source_block           pbpa130828_compl2c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to
/usr/data/users/saulius/automatic-downloads/current/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               7028873