A family of rare earth molybdenum bronzes: Oxides consisting of periodic arrays of interacting magnetic units
Schneemeyer, L.F.; Siegrist, T.; Besara, T.; Lundberg, M.; Sun, J.; Singh, D.J.; Journal of Solid State Chemistry 227 (2015) 178–185; doi:10.1016/j.jssc.2015.03.028

data_1561915
_publ_section_title
;
 A family of rare earth molybdenum bronzes: Oxides consisting of periodic
 arrays of interacting magnetic units
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              178
_journal_page_last               185
_journal_paper_doi               10.1016/j.jssc.2015.03.028
_journal_volume                  227
_journal_year                    2015
_chemical_absolute_configuration .
_chemical_formula_moiety         'Ce1 Mo16 O44'
_chemical_formula_sum            'Ce Mo16 O44'
_chemical_formula_weight         2379.13
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     heavy
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   10.7796(4)
_cell_length_b                   10.7796(4)
_cell_length_c                   27.5862(12)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    293
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     2776.05(19)
_computing_cell_refinement       'CrysAlis, (Oxford Diffraction, 2002)'
_computing_data_collection       'Xcalibur, (Oxford Diffraction, 2002)'
_computing_data_reduction        'XRED (Stoe & Cie 1996)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'CRYSTALS (Betteridge et al., 2003)'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.556
_diffrn_measured_fraction_theta_max 0.548
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction XCALIBUR'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.127
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       71
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            6128
_diffrn_reflns_theta_full        25.365
_diffrn_reflns_theta_max         66.750
_diffrn_reflns_theta_min         12.971
_diffrn_standards_interval_count .
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.541
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.56
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
; 
 Gaussian Integration (Busing and Levy, 1957) 
;
_exptl_crystal_colour            'metallic yellow'
_exptl_crystal_density_diffrn    4.269
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3246.000
_exptl_crystal_size_max          0.162
_exptl_crystal_size_mid          0.118
_exptl_crystal_size_min          0.092
_refine_diff_density_max         0.63
_refine_diff_density_min         -0.78
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0615
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         3006
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.1353
_refine_ls_R_factor_gt           0.0612
_refine_ls_shift/su_max          0.0013722
_refine_ls_shift/su_mean         0.0000833
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) 
 [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] 
 where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax 
 Method = Robust Weighting (Prince, 1982) 
 W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ 
 A~i~ are: 
 3.09 -8.71 0.665 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0277
_refine_ls_wR_factor_gt          0.0224
_refine_ls_wR_factor_ref         0.0224
_reflns_limit_h_max              13
_reflns_limit_h_min              -27
_reflns_limit_k_max              27
_reflns_limit_k_min              0
_reflns_limit_l_max              71
_reflns_limit_l_min              0
_reflns_number_gt                3006
_reflns_number_total             6128
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.52
_oxford_diffrn_Wilson_scale      33.47
_oxford_refine_ls_r_factor_ref   0.0612
_oxford_refine_ls_scale          0.1847(2)
_oxford_reflns_number_all        6128
_oxford_reflns_threshold_expression_ref I>2.0\s(I)
_cod_data_source_file            JSSC-2015-227-178.cif
_cod_data_source_block           CeMo16O44
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_primary' value 'Heavy' was changed to
'heavy' in accordance with the built-in table derived from the CIF
Core dictionary named 'cif_core.dic' version 2.4.5 last updated on
2014-11-21.

Automatic conversion script
Id: cif_fix_values 8369 2020-08-20 11:38:08Z andrius 
;
_cod_original_sg_symbol_H-M      'R -3 '
_cod_original_formula_sum        'Ce1 Mo16 O44'
_cod_database_code               1561915