Two new rare-earth borates Sr2Tb3B27-δO46 and Ba2Eu3B27-δO46 (δ = 2/3): Syntheses, crystal structures, and luminescent properties
Chen, Xuean; Zhang, Jinyuan; Xiao, Weiqiang; Song, Xiaoyan; Dalton Transactions  (2022) –; doi:10.1039/D1DT04257B

data_7709811
_publ_section_title
;
 Two new rare-earth borates Sr2Tb3B27-\dO46 and Ba2Eu3B27-\dO46 (\d =
 2/3): Syntheses, crystal structures, and luminescent properties
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D1DT04257B
_journal_year                    2022
_chemical_formula_sum            'B26.33 O46 Sr2 Tb3'
_chemical_formula_weight         1672.66
_space_group_crystal_system      trigonal
_space_group_IT_number           146
_space_group_name_Hall           'R 3'
_space_group_name_H-M_alt        'R 3 :H'
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-12-17 deposited with the CCDC.	2022-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   7.74680(1)
_cell_length_b                   7.74680(1)
_cell_length_c                   46.3657(5)
_cell_measurement_reflns_used    30372
_cell_measurement_temperature    292.6(3)
_cell_measurement_theta_max      36.1750
_cell_measurement_theta_min      3.5740
_cell_volume                     2409.75(3)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_publication_material  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXS-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      292.6(3)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.1688
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, AtlasS2'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0506
_diffrn_reflns_av_unetI/netI     0.0336
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       72
_diffrn_reflns_limit_l_min       -72
_diffrn_reflns_number            26004
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.493
_diffrn_reflns_theta_min         3.509
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    9.993
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.33294
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.458
_exptl_crystal_description       plate
_exptl_crystal_F_000             2312.1
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         3.224
_refine_diff_density_min         -4.632
_refine_diff_density_rms         0.320
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.12(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4206
_refine_ls_number_restraints     793
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.0500
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0413P)^2^+101.8185P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1119
_refine_ls_wR_factor_ref         0.1142
_reflns_Friedel_coverage         1.000
_reflns_Friedel_fraction_full    0.996
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                3919
_reflns_number_total             4206
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt04257b2.cif
_cod_data_source_block           SrTbBO
_cod_database_code               7709811
_shelx_shelxl_version_number     2018/3
_oxdiff_exptl_absorpt_empirical_full_min 0.636
_oxdiff_exptl_absorpt_empirical_full_max 2.122
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
- Detector area scaling
;
_shelx_res_checksum              27191