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_1563628
_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 Gd2 Ge4 O12'
_chemical_formula_weight         836.93
_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                   10.07495(9)
_cell_length_b                   10.07495
_cell_length_c                   5.10301(6)
_cell_volume                     517.979(8)
_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  6.17750
_exptl_absorpt_correction_T_min  2.40256
_exptl_absorpt_process_details
;   GSAS Absorption/surface roughness correction: function number 4
 Flat plate transmission absorption correction
Terms =    -0.56562         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        119.95547
_pd_proc_2theta_range_min        1.97548
_pd_proc_info_datetime           2010-02-27T12:47:37
_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:    4899.13     2:   -2016.20     3:    433.226     4:   -408.031    
      5:    99.3930     6:   -25.1596     7:   -5.82388     8:   -6.96940    
      9:    18.3444    10:   -25.6198    11:    19.7698    12:   -2.72999    
     13:  -0.363687    14:   -8.23002    15:    12.2993    16:   -19.9955    
     17:    20.9472    18:   -13.0743    19:   -2.88202    20:    6.42540    
     21:   -1.95894    22:   -3.67061    23:    14.6316    24:   -22.2042    
     25:    13.7319    26:   -8.25152    27:   -3.09063    28:    12.8234    
     29:   -14.2830    30:    7.11357    31:    1.11087    32:   -13.7555    
     33:    17.1884    34:   -9.14369    35:    1.35737    36:    7.46064    
;
_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)   =   29.532 #2(GV)   =  -13.267 #3(GW)   =   13.500
 #4(LX)   =    3.399 #5(LY)   =    7.054 #6(trns) =    0.000
 #7(asym) =   2.2143 #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        0.0148
_pd_proc_ls_prof_wR_expected     0.0141
_pd_proc_ls_prof_wR_factor       0.0190
_pd_proc_number_of_points        5900
_pd_spec_mounting                ' ?'
_refine_ls_goodness_of_fit_all   1.35
_refine_ls_matrix_type           full
_refine_ls_number_parameters     70
_refine_ls_number_restraints     0
_refine_ls_R_Fsqd_factor         0.03255
_refine_ls_shift/su_max          0.03
_refine_ls_shift/su_mean         0.00
_reflns_d_resolution_high        0.891
_reflns_d_resolution_low         7.124
_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             215
_cod_data_source_file            GD2CAGe4O12.cif
_cod_data_source_block           GD2CA(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 (194 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        517.979(12)
_cod_original_sg_symbol_H-M      'P 4/n b m'
_cod_original_formula_sum        'Ca1.00 Gd2.00 Ge4 O12'
_cod_database_code               1563628
_gsas_exptl_extinct_corr_t_min   1.00000
_gsas_exptl_extinct_corr_t_max   1.00000