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_1563624
_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            'Ca Er2 Ge4 O12'
_chemical_formula_weight         856.95
_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                   9.97205(7)
_cell_length_b                   9.97205
_cell_length_c                   5.06150(4)
_cell_volume                     503.325(5)
_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  3.98517
_exptl_absorpt_correction_T_min  1.95135
_exptl_absorpt_process_details
;   GSAS Absorption/surface roughness correction: function number 4
 Flat plate transmission absorption correction
Terms =    -0.43136         0.0000    
Correction is refined.
;
_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        2.0
_pd_meas_number_of_points        5900
_pd_proc_2theta_range_inc        0.02
_pd_proc_2theta_range_max        119.95486
_pd_proc_2theta_range_min        1.97485
_pd_proc_info_datetime           2010-02-27T12:59:20
_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:    2197.91     2:   -2720.30     3:    1691.18     4:   -769.387    
      5:    238.623     6:   -19.3866     7:   -19.4701     8:   -22.7939    
      9:    56.3368    10:   -85.7089    11:    58.3064    12:   -28.0726    
     13:    32.6554    14:   -40.1221    15:    32.9565    16:   -27.0185    
     17:    42.2145    18:   -18.5200    19:    14.7452    20:    3.97586    
     21:    10.3616    22:   -12.1504    23:    34.8579    24:   -48.9251    
     25:    43.0981    26:   -14.6982    27:   -21.9003    28:    36.4869    
     29:   -38.0633    30:    20.4222    31:    16.1233    32:   -42.3238    
     33:    41.6472    34:   -12.4284    35:   0.433981    36:    17.6008    
;
_pd_proc_ls_peak_cutoff          0.00200
_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)   =   22.326 #2(GV)   =  -14.665 #3(GW)   =   15.834
 #4(LX)   =    2.470 #5(LY)   =    7.455 #6(trns) =    0.000
 #7(asym) =   1.3428 #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 0.0020 times the peak
   Aniso. broadening axis   0.0   0.0   1.0
;
_pd_proc_ls_prof_R_factor        0.0339
_pd_proc_ls_prof_wR_expected     0.0200
_pd_proc_ls_prof_wR_factor       0.0507
_pd_proc_number_of_points        5900
_pd_spec_mounting                ' ?'
_refine_ls_goodness_of_fit_all   2.77
_refine_ls_matrix_type           full
_refine_ls_number_parameters     71
_refine_ls_number_restraints     0
_refine_ls_R_Fsqd_factor         0.02424
_refine_ls_shift/su_max          0.01
_refine_ls_shift/su_mean         0.00
_reflns_d_resolution_high        0.892
_reflns_d_resolution_low         7.051
_reflns_limit_h_max              11
_reflns_limit_h_min              0
_reflns_limit_k_max              8
_reflns_limit_k_min              0
_reflns_limit_l_max              5
_reflns_limit_l_min              0
_reflns_number_total             209
_cod_data_source_file            ER2CAGe4O12.cif
_cod_data_source_block           ER2CA(VO3)4_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 (127 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 (56 times).

Automatic conversion script
Id: cif_fix_values 8369 2020-08-20 11:38:08Z andrius 
;
_cod_original_cell_volume        503.325(10)
_cod_original_sg_symbol_H-M      'P 4/n b m'
_cod_original_formula_sum        'Ca1.00 Er2.00 Ge4 O12'
_cod_database_code               1563624
_gsas_exptl_extinct_corr_t_min   1.00000
_gsas_exptl_extinct_corr_t_max   1.00000