Cyclic tetramers of a five-membered palladacycle based on a head-to-tail-linked isocyanate dimer and their reactivity in cyclotrimerization of isocyanates.
Lee, Seon Gye; Choi, Keun-Young; Kim, Yong-Joo; Park, SuJin; Lee, Soon W.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 6537–6545; doi:10.1039/c5dt00534e

data_7034198
_publ_section_title
;
 Cyclic tetramers of a five-membered palladacycle based on a
 head-to-tail-linked isocyanate dimer and their reactivity in
 cyclotrimerization of isocyanates.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6537
_journal_page_last               6545
_journal_paper_doi               10.1039/c5dt00534e
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C76 H92 N8 O8 P4 Pd4, 2(C H2 Cl2)'
_chemical_formula_sum            'C78 H96 Cl4 N8 O8 P4 Pd4'
_chemical_formula_weight         1964.91
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-12-04 deposited with the CCDC.
2015-02-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.1307(6)
_cell_length_b                   15.1307(6)
_cell_length_c                   19.1938(15)
_cell_measurement_reflns_used    6455
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.69
_cell_volume                     4394.2(4)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      200(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         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0361
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16059
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    1.054
_exptl_absorpt_correction_T_max  0.8664
_exptl_absorpt_correction_T_min  0.6371
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1992
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.551
_refine_diff_density_min         -0.622
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         5359
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0500
_refine_ls_R_factor_gt           0.0213
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0277P)^2^+0.6340P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0472
_refine_ls_wR_factor_ref         0.0561
_reflns_number_gt                4433
_reflns_number_total             5359
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00534e1.cif
_cod_data_source_block           lsg2-110
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 3086 2015-02-26 13:12:21Z robertas 

 Adding full bibliography for 7034198--7034200.cif.
;
_cod_original_sg_symbol_Hall     'I -4 '
_cod_original_sg_symbol_H-M      'I-4   '
_cod_database_code               7034198