Assembly of Hybrid Inorganic-Organic Materials from Octahedral Nb6 Clusters and Metal Complexes
Huajun Zhou; Cynthia S. Day; Abdessadek Lachgar; Chemistry of Materials  (2004) –; doi:10.1021/cm049007w

data_4000474
_publ_section_title
;
Assembly of Hybrid Inorganic-Organic Materials from Octahedral
Nb6 Clusters and Metal Complexes
;
_journal_name_full               'Chemistry of Materials'
_journal_paper_doi               10.1021/cm049007w
_journal_year                    2004
_chemical_formula_sum            'C24 H56 Cl12 N10 Nb6 O2'
_chemical_formula_weight         1499.65
_space_group_IT_number           64
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.086(3)
_cell_length_b                   20.057(4)
_cell_length_c                   20.938(4)
_cell_measurement_reflns_used    3966
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      22.705
_cell_measurement_theta_min      3.893
_cell_volume                     5915(2)
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean ?
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0566
_diffrn_reflns_av_sigmaI/netI    0.0352
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            25560
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.89
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    1.696
_exptl_absorpt_correction_T_max  0.888
_exptl_absorpt_correction_T_min  0.768
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; Data were corrected for absorption effects using the multiscan technique
 (SADABS).   The ratio of minimum to maximum apparent transmission was
 0.79.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.684
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular plate'
_exptl_crystal_F_000             2944
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.07
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.106
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     133
_refine_ls_number_reflns         3521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.106
_refine_ls_R_factor_all          0.0683
_refine_ls_R_factor_gt           0.0482
_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^)+(0.0640P)^2^+7.7140P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1173
_refine_ls_wR_factor_ref         0.1270
_reflns_number_gt                2647
_reflns_number_total             3521
_reflns_threshold_expression     >2sigma(I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      Cmca
_cod_database_code               4000474