Synthesis and crystal structure of Ln2M2+Ge4O12, Ln=rare-earth element or Y; M=Ca, Mn, Zn
Zubkov, Vladimir G.; Tarakina, Nadezda V.; Leonidov, Ivan I.; Tyutyunnik, Alexander P.; Surat, Ludmila L.; Melkozerova, Marina A.; Zabolotskaya, Elena V.; Kellerman, Dina G.; Journal of Solid State Chemistry 183 (2010) 1186–1193; doi:10.1016/j.jssc.2010.03.027

data_1563625
_publ_section_title
;
 Synthesis and crystal structure of Ln2M2+Ge4O12, Ln=rare-earth element or
 Y; M=Ca, Mn, Zn
;
_journal_issue                   5
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              1186
_journal_page_last               1193
_journal_paper_doi               10.1016/j.jssc.2010.03.027
_journal_volume                  183
_journal_year                    2010
_chemical_formula_sum            'Er2 Ge4 Mn O12'
_chemical_formula_weight         871.81
_space_group_IT_number           125
_space_group_name_Hall           '-P 4a 2b'
_space_group_name_H-M_alt        'P 4/n b m :2'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'P 4/n b m :2'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                90.0
_cell_formula_units_Z            2
_cell_length_a                   9.86945(7)
_cell_length_b                   9.86945
_cell_length_c                   4.96668(5)
_cell_volume                     483.785(6)
_computing_structure_refinement  GSAS
_diffrn_radiation_polarisn_ratio 0.8
_diffrn_radiation_probe          x-ray
_diffrn_radiation_wavelength     1.54056
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  1.00000
_exptl_absorpt_process_details
;   GSAS Absorption/surface roughness correction: function number 0
 No correction is applied.
;
_pd_calc_method                  'Rietveld Refinement'
_pd_instr_location               ' ?'
_pd_meas_2theta_range_inc        0.02
_pd_meas_2theta_range_max        119.98
_pd_meas_2theta_range_min        5.0
_pd_meas_number_of_points        5750
_pd_proc_2theta_range_inc        0.02
_pd_proc_2theta_range_max        119.95344
_pd_proc_2theta_range_min        4.97344
_pd_proc_info_datetime           2010-02-27T12:04:43
_pd_proc_info_excluded_regions   ' ?'
_pd_proc_ls_background_function
;   GSAS Background function number 1 with 36 terms.
 Shifted Chebyshev function of 1st kind
      1:    856.992     2:   -720.786     3:    426.049     4:   -195.652    
      5:    51.9237     6:    4.99954     7:   -17.4578     8:    8.65803    
      9:   0.484581    10:   -10.9937    11:    8.94700    12:    2.45499    
     13:   -9.12581    14:    4.81281    15:   -4.40138    16:   -4.02733    
     17:    8.25532    18:   -9.54116    19:    1.79657    20:    3.67749    
     21:   -9.84802    22:    12.1951    23:   -11.5873    24:    1.29208    
     25:    3.00740    26:   -12.9176    27:    9.49568    28:   -8.74493    
     29:   0.467473    30:    6.56367    31:   -7.02976    32:    3.59680    
     33:  -0.214456    34:   -6.90315    35:    5.51091    36:   -3.35204    
;
_pd_proc_ls_peak_cutoff          0.00100
_pd_proc_ls_profile_function
;
 CW Profile function number 2 with  18 terms
 Profile coefficients for Simpson's rule integration of pseudovoigt function
 C.J. Howard (1982). J. Appl. Cryst.,15,615-620.
 P. Thompson, D.E. Cox & J.B. Hastings (1987). J. Appl. Cryst.,20,79-83.
 #1(GU)   =    6.625 #2(GV)   =  -14.900 #3(GW)   =   26.883
 #4(LX)   =    1.542 #5(LY)   =   10.511 #6(trns) =    0.000
 #7(asym) =   1.4909 #8(shft) =   0.0000 #9(GP)   =    0.000
 #10(stec)=     0.00 #11(ptec)=     0.00 #12(sfec)=     0.00
 #13(L11) =    0.000 #14(L22) =    0.000 #15(L33) =    0.000
 #16(L12) =    0.000 #17(L13) =    0.000 #18(L23) =    0.000
 Peak tails are ignored  where the intensity is below 0.0010 times the peak
   Aniso. broadening axis   0.0   0.0   1.0
;
_pd_proc_ls_prof_R_factor        0.0324
_pd_proc_ls_prof_wR_expected     0.0337
_pd_proc_ls_prof_wR_factor       0.0436
_pd_proc_number_of_points        5750
_pd_spec_mounting                ' ?'
_refine_ls_goodness_of_fit_all   1.30
_refine_ls_matrix_type           full
_refine_ls_number_parameters     52
_refine_ls_number_restraints     0
_refine_ls_R_Fsqd_factor         0.01689
_refine_ls_shift/su_max          0.01
_refine_ls_shift/su_mean         0.00
_reflns_d_resolution_high        0.894
_reflns_d_resolution_low         6.979
_reflns_limit_h_max              11
_reflns_limit_h_min              0
_reflns_limit_k_max              7
_reflns_limit_k_min              0
_reflns_limit_l_max              5
_reflns_limit_l_min              0
_reflns_number_total             203
_cod_data_source_file            ER2MNGE4O12.cif
_cod_data_source_block           ER2MNGE4O12_publ
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_geom_angle_publ_flag' value 'N' was changed to 'n' 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 (115 times).

data item '_geom_bond_publ_flag' value 'N' was changed to 'n' 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 (50 times).

Automatic conversion script
Id: cif_fix_values 8369 2020-08-20 11:38:08Z andrius 
;
_cod_original_cell_volume        483.785(10)
_cod_original_sg_symbol_H-M      'P 4/n b m'
_cod_original_formula_sum        'Er2.00 Ge4 Mn1.00 O12'
_cod_database_code               1563625
_gsas_exptl_extinct_corr_t_min   1.00000
_gsas_exptl_extinct_corr_t_max   1.00000