26-Ring-Channel Structure Constructed from Bimetal Phosphite Helical Chains
Yu-Lun Lai; Kwang-Hwa Lii; Sue-Lein Wang; Journal of the American Chemical Society 129 (2007) 5350–5351; doi:10.1021/ja070733k

data_4109357
_publ_section_title
;
 26-Ring-Channel Structure Constructed from Bimetal Phosphite Helical
 Chains
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5350
_journal_page_last               5351
_journal_paper_doi               10.1021/ja070733k
_journal_volume                  129
_journal_year                    2007
_chemical_formula_moiety         'C8 H28 F Ga N2 O12 P4 Zn2'
_chemical_formula_sum            'C8 H28 F Ga N2 O12 P4 Zn2'
_chemical_formula_weight         687.66
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           142
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4bd 2c'
_symmetry_space_group_name_H-M   'I 41/a c d :2'
_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                90.00
_cell_formula_units_Z            16
_cell_length_a                   31.0722(6)
_cell_length_b                   31.0722(6)
_cell_length_c                   9.8995(4)
_cell_measurement_reflns_used    2543
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.6925
_cell_measurement_theta_min      2.526
_cell_volume                     9557.8(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0825
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       41
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            33739
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    3.440
_exptl_absorpt_correction_T_max  0.956
_exptl_absorpt_correction_T_min  0.827
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.912
_exptl_crystal_description       acicular
_exptl_crystal_F_000             5536
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.837
_refine_diff_density_min         -0.527
_refine_diff_density_rms         0.134
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.873
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         2983
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.876
_refine_ls_R_factor_all          0.0897
_refine_ls_R_factor_gt           0.0462
_refine_ls_shift/su_max          0.036
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0688P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1153
_refine_ls_wR_factor_ref         0.1274
_reflns_number_gt                1709
_reflns_number_total             2983
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja070733ksi20070201_102929.cif
_cod_data_source_block           NTHU-5-Ga
_cod_original_sg_symbol_H-M      'I 41/a c d'
_cod_database_code               4109357