Reactivity of N-heterocyclic carbene‒pyridine palladacyclopentadiene complexes toward halogen addition. The unpredictable course of the reaction
Visentin, Fabiano; Santo, Claudio; Scattolin, Thomas; Demitri, Nicola; Canovese, Luciano; Dalton Trans.  (2017) –; doi:10.1039/C7DT02162C

data_7043838
_publ_section_title
;
 Reactivity of N-heterocyclic carbene--pyridine palladacyclopentadiene
 complexes toward halogen addition. The unpredictable course of the
 reaction
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT02162C
_journal_year                    2017
_chemical_formula_moiety         'C30 H31 I2 N3 O8 Pd'
_chemical_formula_sum            'C30 H31 I2 N3 O8 Pd'
_chemical_formula_weight         921.78
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-06-08 deposited with the CCDC.
2017-07-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.777(4)
_cell_length_b                   15.975(3)
_cell_length_c                   20.563(4)
_cell_measurement_reflns_used    1020
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.036
_cell_measurement_theta_min      1.886
_cell_volume                     6497(2)
_computing_cell_refinement       XDS
_computing_data_collection       'Elettra XRD1 Data Collection SW'
_computing_data_reduction        'XDS - CCP4'
_computing_molecular_graphics    'Ortep3 for Windows'
_computing_publication_material  enCIFer/publCIF
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    Sir2011
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type
;
'Huber 4-circles Kappa Goniometer, Pilatus 2M detector'
;
_diffrn_measurement_method       'Rotating crystal'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.700
_diffrn_reflns_av_R_equivalents  0.0482
_diffrn_reflns_av_unetI/netI     0.0245
_diffrn_reflns_Laue_measured_fraction_full 0.976
_diffrn_reflns_Laue_measured_fraction_max 0.970
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            82101
_diffrn_reflns_point_group_measured_fraction_full 0.976
_diffrn_reflns_point_group_measured_fraction_max 0.970
_diffrn_reflns_theta_full        24.835
_diffrn_reflns_theta_max         27.036
_diffrn_reflns_theta_min         1.886
_diffrn_source                   'Elettra Synchrotron - XRD1 BL'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.392
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6574
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2012/1 (Bruker, 2012)'
_exptl_crystal_colour            'Dark Yellow'
_exptl_crystal_density_diffrn    1.885
_exptl_crystal_description       'Thin rod'
_exptl_crystal_F_000             3584
_exptl_crystal_size_max          0.080
_exptl_crystal_size_mid          0.020
_exptl_crystal_size_min          0.020
_refine_diff_density_max         2.487
_refine_diff_density_min         -1.424
_refine_diff_density_rms         0.157
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     456
_refine_ls_number_reflns         7229
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0426
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0640P)^2^+23.9994P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1080
_refine_ls_wR_factor_ref         0.1157
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6011
_reflns_number_total             7229
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt02162c2.cif
_cod_data_source_block           1
_cod_database_code               7043838
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.832
_shelx_estimated_absorpt_t_max   0.954
_exptl_absorpt_special_details
;
SADABS was used to perform the Absorption correction.
Parameters refinement is based on 116579 reflections.
Ratio of minimum to maximum apparent transmission: 1.135
The given Tmin and Tmax were generated using the SHELX SIZE command
;
_shelx_res_checksum              35376