Polymorphism and optical, magnetic and thermal properties of the either phyllo- or inosilicate-analogous borosulfate Cu[B<sub>2</sub>(SO<sub>4</sub>)<sub>4</sub>].
Hämmer, Matthias; Pielnhofer, Florian; Janka, Oliver; Takahashi, Hirotaka; Gross, Peter; Pöttgen, Rainer; Höppe, Henning A; Dalton transactions (Cambridge, England : 2003) 51 (2022) 3104–3115; doi:10.1039/d1dt04090a

data_7709391
_publ_section_title
;
 Polymorphism and optical, magnetic and thermal properties of the either
 phyllo- or inosilicate-analogous borosulfate
 Cu[B<sub>2</sub>(SO<sub>4</sub>)<sub>4</sub>].
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3104
_journal_page_last               3115
_journal_paper_doi               10.1039/d1dt04090a
_journal_volume                  51
_journal_year                    2022
_chemical_formula_moiety         'Cu H2 O8 S2'
_chemical_formula_sum            'Cu H2 O8 S2'
_chemical_formula_weight         257.68
_chemical_name_common            'Copper(II) Hydrogen Sulfate'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                77.856(10)
_cell_angle_beta                 87.016(10)
_cell_angle_gamma                89.821(10)
_cell_formula_units_Z            2
_cell_length_a                   4.7988(8)
_cell_length_b                   7.8567(13)
_cell_length_c                   8.0566(14)
_cell_measurement_reflns_used    1044
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.987
_cell_measurement_theta_min      2.590
_cell_volume                     296.55(9)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'D8 Venture Bruker'
_diffrn_measurement_method       'generic phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0447
_diffrn_reflns_av_unetI/netI     0.0270
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            6430
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        24.987
_diffrn_reflns_theta_max         24.987
_diffrn_reflns_theta_min         2.590
_exptl_absorpt_coefficient_mu    4.387
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 multi-scan absorption correction using SADABS 
(G. M. Sheldrick, (1996). SADABS. Program for Empirical 
Absorption Correction. University of G\"ottingen, Germany.)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.886
_exptl_crystal_description       block
_exptl_crystal_F_000             254
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.4
_exptl_transmission_factor_max   0.7453
_exptl_transmission_factor_min   0.6237
_refine_diff_density_max         1.757
_refine_diff_density_min         -0.857
_refine_diff_density_rms         0.218
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1044
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0536
_refine_ls_R_factor_gt           0.0485
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0832P)^2^+2.2381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1287
_refine_ls_wR_factor_ref         0.1320
_reflns_Friedel_coverage         0.000
_reflns_number_gt                931
_reflns_number_total             1044
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt04090a6.cif
_cod_data_source_block           mo_HT40_3_0m_a
_cod_depositor_comments
'Adding full bibliography for 7709384--7709391.cif.'
_cod_database_code               7709391
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              82588
_shelx_hkl_checksum              27352