Synthesis and Characterization of Diametrically Substituted Tetra-O-n-butylcalix[4]arene Ligands and Their Chelated Complexes of Titanium, Molybdenum, and Palladium
Daniel R. Evans; Mingsheng Huang; James C. Fettinger; Tracie L. Williams; Inorganic Chemistry 41 (2002) 5986–6000; doi:10.1021/ic020446b

data_4318837
_publ_contact_author_email       de44@umail.umd.edu
_publ_contact_author_fax         +1-301-314-9121
_publ_contact_author_name        'Prof Daniel R. Evans'
_publ_contact_author_phone       +1-301-405-8436
_publ_section_title
;
 Synthesis and Characterization of Diametrically Substituted
 Tetra-O-n-butylcalix[4]arene Ligands and Their Chelated Complexes of
 Titanium, Molybdenum, and Palladium
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5986
_journal_page_last               6000
_journal_paper_doi               10.1021/ic020446b
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C76 H80 Mo O10 P2'
_chemical_formula_weight         1311.35
_chemical_name_common            '(CO)4Mo[(PPh2OCH2)2-nBu4Clx, 14c'
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           165
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3 2"c'
_symmetry_space_group_name_H-M   'P -3 c 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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   26.166(9)
_cell_length_b                   26.166(9)
_cell_length_c                   17.935(11)
_cell_measurement_temperature    173(2)
_cell_volume                     10634(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0846
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            40785
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         0.90
_exptl_absorpt_coefficient_mu    0.286
_exptl_absorpt_correction_T_max  0.839898
_exptl_absorpt_correction_T_min  0.567799
_exptl_absorpt_correction_type   'Semi-empirical via SADABS'
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4128
_refine_diff_density_max         0.824
_refine_diff_density_min         -0.783
_refine_diff_density_rms         0.110
_refine_ls_extinction_coef       0.00032(11)
_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   1.013
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         4648
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0927P)^2^+8.1452P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1437
_reflns_number_gt                3648
_reflns_number_total             4648
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020446b_02.cif
_cod_data_source_block           14c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

2021-04-13
Z value fixed to be consistent with given formula
                 miguel
;
_cod_original_formula_units_Z            3
_cod_original_cell_volume        10635(8)
_cod_database_code               4318837