Mononuclear and Dinuclear Molybdenum and Tungsten Complexes of p-tert-Butyltetrathiacalix[4]arene and p-tert-Butyltetrasulfonylcalix[4]arene: Facile Cleavage of the Calixarene Ligand Framework by Nickel
Daniela Buccella; Gerard Parkin; Journal of the American Chemical Society 130 (2008) 8617–8619; doi:10.1021/ja803215x

data_4108009
_publ_section_title
;
 Mononuclear and Dinuclear Molybdenum and Tungsten Complexes of
 p-tert-Butyltetrathiacalix[4]arene and
 p-tert-Butyltetrasulfonylcalix[4]arene: Facile Cleavage of the Calixarene
 Ligand Framework by Nickel
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8617
_journal_page_last               8619
_journal_paper_doi               10.1021/ja803215x
_journal_volume                  130
_journal_year                    2008
_chemical_formula_sum            'C92 H99 O4 P S4 W'
_chemical_formula_weight         1611.77
_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
_cell_angle_alpha                109.434(2)
_cell_angle_beta                 99.872(2)
_cell_angle_gamma                102.302(2)
_cell_formula_units_Z            2
_cell_length_a                   16.0332(17)
_cell_length_b                   16.5010(18)
_cell_length_c                   17.3405(19)
_cell_measurement_reflns_used    9436
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      30.96
_cell_measurement_theta_min      2.54
_cell_volume                     4078.1(8)
_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      125(2)
_diffrn_measured_fraction_theta_full 0.915
_diffrn_measured_fraction_theta_max 0.915
_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  0.0470
_diffrn_reflns_av_sigmaI/netI    0.0758
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            71090
_diffrn_reflns_theta_full        33.21
_diffrn_reflns_theta_max         33.21
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    1.588
_exptl_absorpt_correction_T_max  0.6472
_exptl_absorpt_correction_T_min  0.6472
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'PALE YELLOW'
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_platon_squeeze_details
;
The unit cell contains 6 toluene molecules which have been treated as a 
diffuse cotribution to the overall scattering without specific atom positions
by SQUEEZE/PLATON
;
_refine_diff_density_max         2.739
_refine_diff_density_min         -2.851
_refine_diff_density_rms         0.127
_refine_ls_extinction_coef       0.00060(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     737
_refine_ls_number_reflns         28604
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.0420
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0907
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                20307
_reflns_number_total             28604
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja803215x-file014.cif
_cod_data_source_block           wphs10p
_cod_database_code               4108009