Structural (XRD) and thermal (DSC, TGA) and BET analysis of materials derived from non-metal cation pentaborate salts.
Beckett, Michael A.; Horton, Peter N.; Hursthouse, Michael B.; Knox, David A.; Timmis, James L.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 3944–3951; doi:10.1039/b927072h

data_7025336
_publ_section_title
;
 Structural (XRD) and thermal (DSC, TGA) and BET analysis of materials
 derived from non-metal cation pentaborate salts.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3944
_journal_page_last               3951
_journal_paper_doi               10.1039/b927072h
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C7 H20 B5 N O11'
_chemical_formula_weight         348.29
_chemical_name_systematic
;
?
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 103.911(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.7118(3)
_cell_length_b                   11.4599(3)
_cell_length_c                   9.8194(3)
_cell_measurement_reflns_used    3593
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     1606.95(7)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'ORTEP3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
'Bruker-Nonius 95mm CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0293
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13456
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.9802
_exptl_absorpt_correction_T_min  0.9286
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            'Light Yellow'
_exptl_crystal_density_diffrn    1.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     473
_refine_ls_number_reflns         1932
_refine_ls_number_restraints     1371
_refine_ls_restrained_S_all      0.878
_refine_ls_R_factor_all          0.0721
_refine_ls_R_factor_gt           0.0599
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0854P)^2^+2.9712P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1566
_refine_ls_wR_factor_ref         0.1702
_reflns_number_gt                1589
_reflns_number_total             1932
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b927072h.txt
_cod_data_source_block           1f
_cod_original_sg_symbol_H-M      C2
_cod_database_code               7025336