Two new frameworks of potassium saccharate obtained from acidic and alkaline solution
Lv, Yao-Kang; Feng, Yun-Long; Liu, Ji-Wei; Jiang, Zhan-Guo; Journal of Solid State Chemistry 184 (2011) 1339–1345; doi:10.1016/j.jssc.2011.03.042

data_1563281
_publ_section_title
;
 Two new frameworks of potassium saccharate obtained from acidic and
 alkaline solution
;
_journal_issue                   5
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              1339
_journal_page_last               1345
_journal_paper_doi               10.1016/j.jssc.2011.03.042
_journal_volume                  184
_journal_year                    2011
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C6 H8 K2 O8'
_chemical_formula_sum            'C6 H8 K2 O8'
_chemical_formula_weight         286.32
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_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                   7.06520(10)
_cell_length_b                   8.26060(10)
_cell_length_c                   16.2660(3)
_cell_measurement_reflns_used    9820
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.50
_cell_volume                     949.33(2)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEXII (Bruker, 2006)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 2002)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0211
_diffrn_reflns_av_sigmaI/netI    0.0131
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14638
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.50
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    1.026
_exptl_absorpt_correction_T_max  .93
_exptl_absorpt_correction_T_min  .87
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.003
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          .30
_exptl_crystal_size_mid          .21
_exptl_crystal_size_min          .15
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2173
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0190
_refine_ls_R_factor_gt           0.0183
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0292P)^2^+0.2300P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0474
_refine_ls_wR_factor_ref         0.0481
_reflns_number_gt                2119
_reflns_number_total             2173
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            JSSC-2011-184-1339.CIF
_cod_data_source_block           b2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' 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.

Automatic conversion script
Id: cif_fix_values 8369 2020-08-20 11:38:08Z andrius 
;
_cod_original_sg_symbol_Hall     'P 2ac 2ab '
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1563281