#------------------------------------------------------------------------------
#$Date: 2022-01-04 01:16:27 +0200 (Tue, 04 Jan 2022) $
#$Revision: 271767 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/00/40/4004057.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4004057
loop_
_publ_author_name
'Liu, Kefeng'
'Liu, Jian'
'Liu, Qian'
'Wang, Qiqi'
'Yu, Fang'
'Liu, Xiao-Cun'
'Xia, Sheng-Qing'
_publ_section_title
;
 Phase Transitions, Structure Evolution, and Thermoelectric Properties
 Based on A2MnSb2 (A = Ca, Yb)
;
_journal_issue                   24
_journal_name_full               'Chemistry of Materials'
_journal_page_first              9732
_journal_page_last               9740
_journal_paper_doi               10.1021/acs.chemmater.1c03527
_journal_volume                  33
_journal_year                    2021
_chemical_formula_sum            'Ag0.28 Mn0.86 Sb2 Yb2'
_chemical_formula_weight         667.03
_space_group_crystal_system      hexagonal
_space_group_IT_number           186
_space_group_name_Hall           'P 6c -2c'
_space_group_name_H-M_alt        'P 63 m c'
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   4.6540(4)
_cell_length_b                   4.6540(4)
_cell_length_c                   7.6686(15)
_cell_measurement_reflns_used    590
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.53
_cell_measurement_theta_min      5.06
_cell_volume                     143.85(3)
_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-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0296
_diffrn_reflns_av_unetI/netI     0.0222
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            796
_diffrn_reflns_point_group_measured_fraction_full 0.889
_diffrn_reflns_point_group_measured_fraction_max 0.875
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.532
_diffrn_reflns_theta_min         5.058
_exptl_absorpt_coefficient_mu    44.054
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6152
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    7.700
_exptl_crystal_description       block
_exptl_crystal_F_000             277
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.020
_refine_diff_density_max         3.054
_refine_diff_density_min         -1.474
_refine_diff_density_rms         0.301
_refine_ls_abs_structure_details
; 
 Refined as an inversion twin. 
;
_refine_ls_abs_structure_Flack   0.50(12)
_refine_ls_extinction_coef       0.117(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.222
_refine_ls_matrix_type           full
_refine_ls_number_parameters     14
_refine_ls_number_reflns         133
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.212
_refine_ls_R_factor_all          0.0361
_refine_ls_R_factor_gt           0.0327
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0089P)²+5.3401P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0715
_refine_ls_wR_factor_ref         0.0738
_reflns_Friedel_coverage         0.622
_reflns_Friedel_fraction_full    0.759
_reflns_Friedel_fraction_max     0.729
_reflns_number_gt                118
_reflns_number_total             133
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            cm1c03527_si_003.cif
_cod_data_source_block           s
_cod_original_cell_volume        143.85(4)
_cod_database_code               4004057
_shelx_shelxl_version_number     2018/3
_shelx_space_group_comment
; 
The symmetry employed for this shelxl refinement is uniquely defined 
by the following loop, which should always be used as a source of 
symmetry information in preference to the above space-group names. 
They are only intended as comments. 
;
_shelx_estimated_absorpt_t_min   0.096
_shelx_estimated_absorpt_t_max   0.473
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-y, x-y, z'
'-x+y, -x, z'
'-x, -y, z+1/2'
'y, -x+y, z+1/2'
'x-y, x, z+1/2'
'-y, -x, z'
'-x+y, y, z'
'x, x-y, z'
'y, x, z+1/2'
'x-y, -y, z+1/2'
'-x, -x+y, z+1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
Yb Yb 0.000000 0.000000 -0.0005(10) 0.0635(12) Uani 1 6 d S T P . .
Mn Mn 0.666667 0.333333 0.1728(19) 0.031(5) Uani 0.44(2) 6 d S T P . .
Ag Ag 0.666667 0.333333 0.1728(19) 0.031(5) Uani 0.13(3) 6 d S T P . .
Sb Sb 0.333333 0.666667 0.2589(3) 0.0292(11) Uani 1 6 d S T P . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
Mn Mn 0.3368 0.7283 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ag Ag -0.8971 1.1015 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Sb Sb -0.5866 1.5461 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Yb Yb -0.3850 5.5486 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
Mn Yb Mn 101.8(3) 1_455 . ?
Mn Yb Mn 101.8(3) 1_455 1_445 ?
Mn Yb Mn 101.8(3) . 1_445 ?
Mn Yb Sb 60.8(2) 1_455 4_564 ?
Mn Yb Sb 128.35(11) . 4_564 ?
Mn Yb Sb 128.35(11) 1_445 4_564 ?
Mn Yb Sb 128.35(11) 1_455 4_554 ?
Mn Yb Sb 128.35(11) . 4_554 ?
Mn Yb Sb 60.8(2) 1_445 4_554 ?
Sb Yb Sb 91.10(17) 4_564 4_554 ?
Mn Yb Sb 128.35(11) 1_455 4_664 ?
Mn Yb Sb 60.8(2) . 4_664 ?
Mn Yb Sb 128.35(11) 1_445 4_664 ?
Sb Yb Sb 91.10(17) 4_564 4_664 ?
Sb Yb Sb 91.10(17) 4_554 4_664 ?
Mn Yb Sb 117.2(3) 1_455 1_545 ?
Mn Yb Sb 51.39(13) . 1_545 ?
Mn Yb Sb 51.39(13) 1_445 1_545 ?
Sb Yb Sb 178.0(2) 4_564 1_545 ?
Sb Yb Sb 90.317(10) 4_554 1_545 ?
Sb Yb Sb 90.317(11) 4_664 1_545 ?
Mn Yb Sb 51.39(13) 1_455 . ?
Mn Yb Sb 51.39(13) . . ?
Mn Yb Sb 117.2(3) 1_445 . ?
Sb Yb Sb 90.317(10) 4_564 . ?
Sb Yb Sb 178.0(2) 4_554 . ?
Sb Yb Sb 90.317(10) 4_664 . ?
Sb Yb Sb 88.22(16) 1_545 . ?
Mn Yb Sb 51.39(13) 1_455 1_445 ?
Mn Yb Sb 117.2(3) . 1_445 ?
Mn Yb Sb 51.39(13) 1_445 1_445 ?
Sb Yb Sb 90.317(11) 4_564 1_445 ?
Sb Yb Sb 90.318(10) 4_554 1_445 ?
Sb Yb Sb 178.0(2) 4_664 1_445 ?
Sb Yb Sb 88.23(16) 1_545 1_445 ?
Sb Yb Sb 88.22(16) . 1_445 ?
Mn Yb Mn 163.3(5) 1_455 4_654 ?
Mn Yb Mn 88.54(10) . 4_654 ?
Mn Yb Mn 88.54(10) 1_445 4_654 ?
Sb Yb Mn 102.5(3) 4_564 4_654 ?
Sb Yb Mn 46.57(8) 4_554 4_654 ?
Sb Yb Mn 46.57(8) 4_664 4_654 ?
Sb Yb Mn 79.51(17) 1_545 4_654 ?
Sb Yb Mn 134.40(5) . 4_654 ?
Sb Yb Mn 134.40(5) 1_445 4_654 ?
Mn Yb Mn 88.54(10) 1_455 4_554 ?
Mn Yb Mn 163.3(5) . 4_554 ?
Mn Yb Mn 88.54(10) 1_445 4_554 ?
Sb Yb Mn 46.57(8) 4_564 4_554 ?
Sb Yb Mn 46.57(8) 4_554 4_554 ?
Sb Yb Mn 102.5(3) 4_664 4_554 ?
Sb Yb Mn 134.40(5) 1_545 4_554 ?
Sb Yb Mn 134.40(5) . 4_554 ?
Sb Yb Mn 79.51(17) 1_445 4_554 ?
Mn Yb Mn 78.6(3) 4_654 4_554 ?
Sb Mn Sb 114.5(2) 1_655 1_545 ?
Sb Mn Sb 114.5(2) 1_655 . ?
Sb Mn Sb 114.5(2) 1_545 . ?
Sb Mn Yb 70.76(9) 1_655 1_655 ?
Sb Mn Yb 70.76(9) 1_545 1_655 ?
Sb Mn Yb 167.5(5) . 1_655 ?
Sb Mn Yb 70.76(9) 1_655 1_665 ?
Sb Mn Yb 167.5(5) 1_545 1_665 ?
Sb Mn Yb 70.76(9) . 1_665 ?
Yb Mn Yb 101.8(3) 1_655 1_665 ?
Sb Mn Yb 167.5(5) 1_655 . ?
Sb Mn Yb 70.76(9) 1_545 . ?
Sb Mn Yb 70.76(9) . . ?
Yb Mn Yb 101.8(3) 1_655 . ?
Yb Mn Yb 101.8(3) 1_665 . ?
Sb Mn Sb 103.8(3) 1_655 4_664 ?
Sb Mn Sb 103.8(3) 1_545 4_664 ?
Sb Mn Sb 103.8(3) . 4_664 ?
Yb Mn Sb 63.7(3) 1_655 4_664 ?
Yb Mn Sb 63.7(3) 1_665 4_664 ?
Yb Mn Sb 63.7(3) . 4_664 ?
Sb Mn Yb 58.81(17) 1_655 4_655 ?
Sb Mn Yb 58.81(17) 1_545 4_655 ?
Sb Mn Yb 123.2(5) . 4_655 ?
Yb Mn Yb 69.31(9) 1_655 4_655 ?
Yb Mn Yb 129.06(16) 1_665 4_655 ?
Yb Mn Yb 129.06(16) . 4_655 ?
Sb Mn Yb 133.00(18) 4_664 4_655 ?
Sb Mn Yb 58.81(17) 1_655 4_665 ?
Sb Mn Yb 123.2(5) 1_545 4_665 ?
Sb Mn Yb 58.81(17) . 4_665 ?
Yb Mn Yb 129.06(16) 1_655 4_665 ?
Yb Mn Yb 69.31(9) 1_665 4_665 ?
Yb Mn Yb 129.06(16) . 4_665 ?
Sb Mn Yb 133.00(18) 4_664 4_665 ?
Yb Mn Yb 78.6(3) 4_655 4_665 ?
Sb Mn Yb 123.2(5) 1_655 4 ?
Sb Mn Yb 58.81(17) 1_545 4 ?
Sb Mn Yb 58.81(17) . 4 ?
Yb Mn Yb 129.06(16) 1_655 4 ?
Yb Mn Yb 129.06(16) 1_665 4 ?
Yb Mn Yb 69.31(9) . 4 ?
Sb Mn Yb 133.00(18) 4_664 4 ?
Yb Mn Yb 78.6(3) 4_655 4 ?
Yb Mn Yb 78.6(3) 4_665 4 ?
Mn Sb Mn 114.5(2) 1_455 1_565 ?
Mn Sb Mn 114.5(2) 1_455 . ?
Mn Sb Mn 114.5(2) 1_565 . ?
Mn Sb Mn 103.8(3) 1_455 4_665 ?
Mn Sb Mn 103.8(3) 1_565 4_665 ?
Mn Sb Mn 103.8(3) . 4_665 ?
Mn Sb Yb 74.6(2) 1_455 4_565 ?
Mn Sb Yb 74.6(2) 1_565 4_565 ?
Mn Sb Yb 159.3(3) . 4_565 ?
Mn Sb Yb 55.52(12) 4_665 4_565 ?
Mn Sb Yb 159.3(3) 1_455 4_665 ?
Mn Sb Yb 74.6(2) 1_565 4_665 ?
Mn Sb Yb 74.6(2) . 4_665 ?
Mn Sb Yb 55.52(12) 4_665 4_665 ?
Yb Sb Yb 91.10(17) 4_565 4_665 ?
Mn Sb Yb 74.6(2) 1_455 4 ?
Mn Sb Yb 159.3(3) 1_565 4 ?
Mn Sb Yb 74.6(2) . 4 ?
Mn Sb Yb 55.52(12) 4_665 4 ?
Yb Sb Yb 91.10(17) 4_565 4 ?
Yb Sb Yb 91.10(17) 4_665 4 ?
Mn Sb Yb 57.85(17) 1_455 1_565 ?
Mn Sb Yb 57.85(17) 1_565 1_565 ?
Mn Sb Yb 129.7(3) . 1_565 ?
Mn Sb Yb 126.51(11) 4_665 1_565 ?
Yb Sb Yb 70.990(12) 4_565 1_565 ?
Yb Sb Yb 131.920(11) 4_665 1_565 ?
Yb Sb Yb 131.920(10) 4 1_565 ?
Mn Sb Yb 129.7(3) 1_455 1_665 ?
Mn Sb Yb 57.85(17) 1_565 1_665 ?
Mn Sb Yb 57.85(17) . 1_665 ?
Mn Sb Yb 126.51(12) 4_665 1_665 ?
Yb Sb Yb 131.920(11) 4_565 1_665 ?
Yb Sb Yb 70.990(12) 4_665 1_665 ?
Yb Sb Yb 131.920(11) 4 1_665 ?
Yb Sb Yb 88.23(16) 1_565 1_665 ?
Mn Sb Yb 57.85(17) 1_455 . ?
Mn Sb Yb 129.7(3) 1_565 . ?
Mn Sb Yb 57.85(17) . . ?
Mn Sb Yb 126.51(11) 4_665 . ?
Yb Sb Yb 131.920(11) 4_565 . ?
Yb Sb Yb 131.920(10) 4_665 . ?
Yb Sb Yb 70.990(13) 4 . ?
Yb Sb Yb 88.23(16) 1_565 . ?
Yb Sb Yb 88.23(16) 1_665 . ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Yb Mn 2.998(7) 1_455 ?
Yb Mn 2.998(7) . ?
Yb Mn 2.998(7) 1_445 ?
Yb Sb 3.260(5) 4_564 ?
Yb Sb 3.260(5) 4_554 ?
Yb Sb 3.260(5) 4_664 ?
Yb Sb 3.343(5) 1_545 ?
Yb Sb 3.343(5) . ?
Yb Sb 3.343(5) 1_445 ?
Yb Mn 3.674(11) 4_654 ?
Yb Mn 3.674(11) 4_554 ?
Mn Sb 2.767(3) 1_655 ?
Mn Sb 2.767(3) 1_545 ?
Mn Sb 2.767(3) . ?
Mn Sb 3.174(15) 4_664 ?
