The chemistry of high valent tungsten chlorides with N-substituted ureas, including urea self-protonation reactions triggered by WCl6
Bortoluzzi, Marco; Marchetti, Fabio; Pampaloni, Guido; Zacchini, Stefano; New J. Chem. 40 (2016) 8271–; doi:10.1039/C6NJ01822J

data_7055723
_publ_section_title
;
 The chemistry of high valent tungsten chlorides with N-substituted ureas,
 including urea self-protonation reactions triggered by WCl6
;
_journal_issue                   10
_journal_name_full               'New J. Chem.'
_journal_page_first              8271
_journal_paper_doi               10.1039/C6NJ01822J
_journal_volume                  40
_journal_year                    2016
_chemical_formula_sum            'C26 H25 Cl6 N4 O2 W'
_chemical_formula_weight         822.05
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-04-11 deposited with the CCDC.
2016-08-10 downloaded from the CCDC.
;
_cell_angle_alpha                97.210(6)
_cell_angle_beta                 105.984(6)
_cell_angle_gamma                114.048(4)
_cell_formula_units_Z            2
_cell_length_a                   10.165(4)
_cell_length_b                   11.202(4)
_cell_length_c                   15.614(8)
_cell_measurement_reflns_used    4649
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.993
_cell_measurement_theta_min      2.3025
_cell_volume                     1502.5(11)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1996)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0539
_diffrn_reflns_av_unetI/netI     0.0647
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14858
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.07
_exptl_absorpt_coefficient_mu    4.410
_exptl_absorpt_correction_T_max  0.6668
_exptl_absorpt_correction_T_min  0.5389
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption correction SADABS).
 R(int) =  0.1419 (selected reflections only, before parameter refinement)
 R(int) =  0.0487 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            dark-brown
_exptl_crystal_density_diffrn    1.817
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             802
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.539
_refine_diff_density_min         -2.082
_refine_diff_density_rms         0.142
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.979
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     367
_refine_ls_number_reflns         5871
_refine_ls_number_restraints     209
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0372
_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^)+(0.0458P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                4477
_reflns_number_total             5871
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6nj01822j2.cif
_cod_data_source_block           1b
_cod_depositor_comments
'Adding full bibliography for 7055722--7055727.cif.'
_cod_original_cell_volume        1502.4(11)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7055723