α-AgI3O8and β-AgI3O8with Large SHG Responses: Polymerization of IO3Groups into the I3O8Polyiodate Anion
Xu, Xiang; Hu, Chun-Li; Li, Bing-Xuan; Yang, Bing-Ping; Mao, Jiang-Gao; Chemistry of Materials 26 (2014) 3219–; doi:10.1021/cm500898q

data_4001944
_publ_section_title
;
 \a-AgI3O8and \b-AgI3O8with Large SHG Responses: Polymerization of
 IO3Groups into the I3O8Polyiodate Anion
;
_journal_issue                   10
_journal_name_full               'Chemistry of Materials'
_journal_page_first              3219
_journal_paper_doi               10.1021/cm500898q
_journal_volume                  26
_journal_year                    2014
_chemical_formula_sum            'Ag I3 O8'
_chemical_formula_weight         616.57
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           30
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 -2bc'
_symmetry_space_group_name_H-M   'P n c 2'
_atom_sites_solution_hydrogens   none
_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            4
_cell_length_a                   8.1443(3)
_cell_length_b                   8.1171(3)
_cell_length_c                   11.7005(5)
_cell_measurement_reflns_used    4860
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.2083
_cell_measurement_theta_min      3.0411
_cell_volume                     773.50(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.3503
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0507
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6555
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    14.588
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.37037
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    5.295
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.804
_refine_diff_density_min         -0.921
_refine_diff_density_rms         0.191
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.09(4)
_refine_ls_extinction_coef       0.0168(3)
_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   1.028
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         1902
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0226
_refine_ls_R_factor_gt           0.0206
_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^)+(0.0152P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0455
_refine_ls_wR_factor_ref         0.0469
_reflns_number_gt                1784
_reflns_number_total             1902
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm500898q_si_002.cif
_cod_data_source_block           AgI3O8-Pnc2
_cod_depositor_comments
'Adding full bibliography for 4001944--4001945.cif.'
_cod_original_sg_symbol_H-M      Pnc2
_cod_database_code               4001944