Effect of pH and Reaction Time on the Structures of Early Lanthanide(III) Borate Perchlorates
Matthew J. Polinski; Shuao Wang; Evgeny V. Alekseev; Justin N. Cross; Wulf Depmeier; Thomas E. Albrecht-Schmitt; Inorganic Chemistry 51 (2012) 11541–11548; doi:10.1021/ic301421e

data_4330845
_publ_section_title
;
 Effect of pH and Reaction Time on the Structures of Early Lanthanide(III)
 Borate Perchlorates
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11541
_journal_page_last               11548
_journal_paper_doi               10.1021/ic301421e
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         Sm[B7O11(OH)(H2O)2(ClO4)]
_chemical_formula_sum            'B7 Cl O18 Sm'
_chemical_formula_weight         549.47
_chemical_name_common            'Samarium(III) Heptaborate Perchlorate'
_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   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.561(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.099(2)
_cell_length_b                   17.009(4)
_cell_length_c                   9.771(3)
_cell_measurement_reflns_used    3133
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.65
_cell_measurement_theta_min      2.39
_cell_volume                     1345.9(6)
_computing_cell_refinement       'Smart Saint'
_computing_data_collection       Smart
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXP-91 (Sheldrick, 1997)'
_computing_publication_material  'SHELXCIF-97 (Sheldrick, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'BRUKER apex II'
_diffrn_measurement_method       '0.5 wide w/ exposures'
_diffrn_radiation_monochromator  'Quazar Optics'
_diffrn_radiation_source         'Imus microfocused'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0568
_diffrn_reflns_av_sigmaI/netI    0.0459
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            15558
_diffrn_reflns_theta_full        27.65
_diffrn_reflns_theta_max         27.65
_diffrn_reflns_theta_min         2.39
_exptl_absorpt_coefficient_mu    4.669
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.719
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SHELTXPREP
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.712
_exptl_crystal_description       Tablet
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.078
_exptl_crystal_size_mid          0.061
_exptl_crystal_size_min          0.005
_refine_diff_density_max         0.993
_refine_diff_density_min         -0.870
_refine_diff_density_rms         0.174
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3133
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0294
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0257P)^2^+2.7216P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0609
_refine_ls_wR_factor_ref         0.0656
_reflns_number_gt                2559
_reflns_number_total             3133
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic301421e_si_002_09.cif
_cod_data_source_block           SmBClO-2
_cod_original_cell_volume        1345.8(6)
_cod_database_code               4330845