Synthesis and characterization of new fluoride-containing manganese vanadates A2Mn2V2O7F2 (A=Rb, Cs) and Mn2VO4F
Sanjeewa, Liurukara D.; McGuire, Michael A.; Smith Pellizzeri, Tiffany M.; McMillen, Colin D.; Ovidiu Garlea, V.; Willett, Daniel; Chumanov, George; Kolis, Joseph W.; Journal of Solid State Chemistry 241 (2016) 30–37; doi:10.1016/j.jssc.2016.05.008

data_1561402
_publ_section_title
;
 Synthesis and characterization of new fluoride-containing manganese
 vanadates A2Mn2V2O7F2 (A=Rb, Cs) and Mn2VO4F
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              30
_journal_page_last               37
_journal_paper_doi               10.1016/j.jssc.2016.05.008
_journal_volume                  241
_journal_year                    2016
_chemical_formula_sum            'F Mn2 O4 V'
_chemical_formula_weight         243.82
_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_hydrogens   .
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 116.16(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.559(2)
_cell_length_b                   6.8036(7)
_cell_length_c                   10.1408(13)
_cell_measurement_reflns_used    3411
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.14
_cell_measurement_theta_min      3.35
_cell_volume                     839.7(3)
_computing_cell_refinement       'CrystalClear (Rigaku, 2008)'
_computing_data_collection       'CrystalClear (Rigaku, 2008)'
_computing_data_reduction        'CrystalClear (Rigaku, 2008)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku AFC8-S, Mercury CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0243
_diffrn_reflns_av_unetI/netI     0.0159
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3411
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.139
_diffrn_reflns_theta_max         25.139
_diffrn_reflns_theta_min         3.348
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    8.024
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8144
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB, CrystalClear'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    3.858
_exptl_crystal_density_meas      .
_exptl_crystal_density_method    .
_exptl_crystal_description       column
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_exptl_transmission_factor_max   .
_exptl_transmission_factor_min   .
_refine_diff_density_max         0.512
_refine_diff_density_min         -0.617
_refine_diff_density_rms         0.131
_refine_ls_extinction_coef       0.0020(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     83
_refine_ls_number_reflns         750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0295
_refine_ls_R_factor_gt           0.0275
_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^)+(0.0428P)^2^+3.5871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0681
_refine_ls_wR_factor_ref         0.0699
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                701
_reflns_number_total             750
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            mmc7.cif
_cod_data_source_block           cd1248a
_cod_original_cell_volume        839.6(3)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1561402
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.239
_shelx_estimated_absorpt_t_max   0.326
_shelx_res_checksum              87051
_shelx_hkl_checksum              58569