Heterometallic Alumo- and Gallodisilicates with M(O-Si-O)2M' and [M(O-Si-O)2]2M' Cores (M = Al, Ga; M' = Ti, Zr, Hf)
Raúl Huerta-Lavorie; Diego Solis-Ibarra; Dana Victoria Báez-Rodríguez; Marisol Reyes-Lezama; M. de las Nieves Zavala-Segovia; Vojtech Jancik; Inorganic Chemistry 52 (2013) 6934–6943; doi:10.1021/ic400156n

data_4335170
_publ_section_title
;
 Heterometallic Alumo- and Gallodisilicates with M(O-Si-O)2M' and
 [M(O-Si-O)2]2M' Cores (M = Al, Ga; M' = Ti, Zr, Hf)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6934
_journal_page_last               6943
_journal_paper_doi               10.1021/ic400156n
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C45 H79 Al N2 O8 Si2'
_chemical_formula_sum            'C45 H79 Al N2 O8 Si2'
_chemical_formula_weight         859.26
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 103.98(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.278(2)
_cell_length_b                   20.082(3)
_cell_length_c                   17.910(2)
_cell_measurement_reflns_used    8771
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.04
_cell_measurement_theta_min      1.55
_cell_volume                     4983.2(12)
_computing_cell_refinement       'Bruker AXS SAINT (v 7.01A, Bruker 2003)'
_computing_data_collection       'SMART V 5.625 (Bruker, 1999)'
_computing_data_reduction        'Bruker AXS SAINT (v 7.01A, Bruker 2003)'
_computing_molecular_graphics    'Bruker AXS SHELXTL (v 6.12)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 0.661
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Smart Apex CCD diffractometer'
_diffrn_measurement_method       'omega scan'
_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  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0325
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            38132
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.55
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_T_max  0.9699
_exptl_absorpt_correction_T_min  0.9582
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, Sheldrick 2007'
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.145
_exptl_crystal_description       PRISM
_exptl_crystal_F_000             1872
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.323
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     662
_refine_ls_number_reflns         8771
_refine_ls_number_restraints     783
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0529
_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^)+(0.0532P)^2^+4.0427P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1231
_refine_ls_wR_factor_ref         0.1285
_reflns_number_gt                7525
_reflns_number_total             8771
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400156n_si_002_01.cif
_cod_data_source_block           Compound1
_cod_database_code               4335170