Syntheses and structures of new phases AeMxIn(4-x) (Ae = Sr, Ba; M = Mg, Zn): size effects and site preferences in BaAl4-type structures.
Li, Bin; Corbett, John D.; Inorganic chemistry 46 (2007) 8812–8818; doi:10.1021/ic701127f

data_4339488
_publ_section_title
;
 Syntheses and structures of new phases AeMxIn(4-x) (Ae = Sr, Ba; M = Mg,
 Zn): size effects and site preferences in BaAl4-type structures.
;
_journal_issue                   21
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8812
_journal_page_last               8818
_journal_paper_doi               10.1021/ic701127f
_journal_volume                  46
_journal_year                    2007
_chemical_formula_sum            'In2.46 Mg1.53 Sr'
_chemical_formula_weight         407.97
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.6814(3)
_cell_length_b                   4.6814(3)
_cell_length_c                   12.7111(15)
_cell_measurement_reflns_used    1039
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.99
_cell_measurement_theta_min      3.21
_cell_volume                     278.57(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0448
_diffrn_reflns_av_sigmaI/netI    0.0166
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            1219
_diffrn_reflns_theta_full        28.25
_diffrn_reflns_theta_max         28.25
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    19.623
_exptl_absorpt_correction_T_max  0.3176
_exptl_absorpt_correction_T_min  0.1681
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            silver
_exptl_crystal_density_diffrn    4.864
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             354
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.542
_refine_diff_density_min         -1.121
_refine_diff_density_rms         0.253
_refine_ls_extinction_coef       0.0266(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_matrix_type           full
_refine_ls_number_parameters     10
_refine_ls_number_reflns         129
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0131
_refine_ls_R_factor_gt           0.0131
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0150P)^2^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0296
_refine_ls_wR_factor_ref         0.0296
_reflns_number_gt                129
_reflns_number_total             129
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701127f.cif
_cod_data_source_block           SrMg1.532In2.468
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      I4/mmm
_cod_database_code               4339488