Synthesis, Structure, and Properties of the Noncentrosymmetric Hydrated Borate Na2B5O8(OH).2H2O
Yongjiang Wang; Shilie Pan; Xuelin Tian; Zhongxiang Zhou; Gang Liu; Jide Wang; Dianzeng Jia; Inorganic Chemistry 48 (2009) 7800–7804; doi:10.1021/ic900700u

data_4302927
_publ_section_title
;
Synthesis, Structure, and Properties of the Noncentrosymmetric Hydrated
Borate Na2B5O8(OH).2H2O
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7800
_journal_page_last               7804
_journal_paper_doi               10.1021/ic900700u
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'B5 H5 Na2 O11'
_chemical_formula_weight         281.07
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   11.967(2)
_cell_length_b                   6.5320(13)
_cell_length_c                   11.126(2)
_cell_measurement_temperature    293(2)
_cell_volume                     869.7(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0214
_diffrn_reflns_av_sigmaI/netI    0.0187
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8015
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.40
_exptl_absorpt_coefficient_mu    0.288
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.146
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.56
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.166
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.07(19)
_refine_ls_extinction_coef       0.066(3)
_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   1.127
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     184
_refine_ls_number_reflns         1914
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.0185
_refine_ls_R_factor_gt           0.0183
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0321P)^2^+0.0958P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0483
_refine_ls_wR_factor_ref         0.0485
_reflns_number_gt                1903
_reflns_number_total             1914
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900700u_si_001.cif
_cod_data_source_block           wyj
_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_formula_sum        'H5 B5 Na2 O11'
_cod_database_code               4302927