REV<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub> (RE = La-Nd): a series of rare earth vanadoborates exhibit large birefringence induced by distorted V<sup>III</sup>O<sub>6</sub> groups.
Wei, Yu-Long; Yao, Wen-Dong; Lv, Yi-Lei; Ma, Liang; Tang, Ru-Ling; Chemical communications (Cambridge, England)  (2026) –; doi:10.1039/d6cc00362a

data_7135441
_publ_section_title
;
 REV<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub> (RE = La-Nd): a series of
 rare earth vanadoborates exhibit large birefringence induced by distorted
 V<sup>III</sup>O<sub>6</sub> groups.
;
_journal_issue                   18
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5297
_journal_page_last               5301
_journal_paper_doi               10.1039/d6cc00362a
_journal_volume                  62
_journal_year                    2026
_chemical_formula_moiety         'B4 La O12 V3'
_chemical_formula_sum            'B4 La O12 V3'
_chemical_formula_weight         526.97
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_primary     dual
_audit_creation_date             2022-04-19
_audit_creation_method
;
Olex2 1.3
(compiled 2020.06.28 svn.raecde09e for OlexSys, GUI svn.r6145)
;
_audit_update_record
;
2023-04-07 deposited with the CCDC.	2026-02-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.937(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.5691(8)
_cell_length_b                   9.6753(9)
_cell_length_c                   11.6060(14)
_cell_measurement_reflns_used    2267
_cell_measurement_temperature    273.15
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      3.49
_cell_volume                     821.23(15)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273.15
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0247
_diffrn_reflns_av_unetI/netI     0.0289
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.975
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            2956
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.975
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.503
_diffrn_reflns_theta_min         3.492
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.483
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6195
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0598 before and 0.0359 after correction.
The Ratio of minimum to maximum transmission is 0.8309.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    4.262
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.578
_refine_diff_density_min         -0.587
_refine_diff_density_rms         0.144
_refine_ls_extinction_coef       0.00104(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     88
_refine_ls_number_reflns         915
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0194
_refine_ls_R_factor_gt           0.0171
_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^)+(0.0106P)^2^+3.1490P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0379
_refine_ls_wR_factor_ref         0.0383
_reflns_Friedel_coverage         0.000
_reflns_number_gt                866
_reflns_number_total             915
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d6cc00362a2.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 7135441--7135444.cif.
;
_cod_database_code               7135441
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
;
_shelx_res_checksum              16555
_shelx_hkl_checksum              81159
_olex2_submission_special_instructions 'No special instructions were received'