Palladium(II) Pyrazolin-4-ylidenes: Substituent Effects on the Formation and Catalytic Activity of Pyrazole-Based Remote NHC Complexes
Han, Yuan; Lee, Li Juan; Huynh, Han Vinh; Organometallics 28 (2009) 2778–; doi:10.1021/om8010849

data_4068776
_publ_section_title
;
 Palladium(II) Pyrazolin-4-ylidenes: Substituent Effects on the Formation
 and Catalytic Activity of Pyrazole-Based Remote NHC Complexes
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2778
_journal_paper_doi               10.1021/om8010849
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C17 H19 I2 N3 Pd'
_chemical_formula_weight         625.55
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.151(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3735(14)
_cell_length_b                   8.5316(11)
_cell_length_c                   20.507(3)
_cell_measurement_reflns_used    2006
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      26.67
_cell_measurement_theta_min      2.59
_cell_volume                     1974.4(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      223(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0630
_diffrn_reflns_av_sigmaI/netI    0.0724
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            13400
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    4.069
_exptl_absorpt_correction_T_max  0.9230
_exptl_absorpt_correction_T_min  0.4176
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            YELLOW
_exptl_crystal_density_diffrn    2.104
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.059
_refine_diff_density_min         -1.060
_refine_diff_density_rms         0.180
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         4522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0562
_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^)+(0.0421P)^2^+3.3849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1093
_refine_ls_wR_factor_ref         0.1175
_reflns_number_gt                3434
_reflns_number_total             4522
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8010849_si_002.cif
_cod_data_source_block           5a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'Not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1974.4(4)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4068776