Hydrothermal syntheses and crystal structures of three zinc succinates: Zn(C4H4O4)-α, Zn(C4H4O4)-β and K2Zn(C4H4O4)2
Bowden, Thomas A.; Milton, Heather L.; Slawin, Alexandra M. Z.; Lightfoot, Philip; Dalton Transactions  (2003) 936–; doi:10.1039/b211181k

data_7012470
_publ_section_title
;
 Hydrothermal syntheses and crystal structures of three zinc
 succinates: Zn(C4H4O4)-\a, Zn(C4H4O4)-\b and K2Zn(C4H4O4)2
;
_journal_issue                   5
_journal_name_full               'Dalton Transactions'
_journal_page_first              936
_journal_paper_doi               10.1039/b211181k
_journal_year                    2003
_chemical_formula_sum            'C8 H8 K2 O8 Zn'
_chemical_formula_weight         375.71
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_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                 106.26(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.402(3)
_cell_length_b                   21.346(7)
_cell_length_c                   8.013(3)
_cell_measurement_temperature    293(2)
_cell_volume                     1215.4(8)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    SHELXTL
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.940
_diffrn_measured_fraction_theta_max 0.940
_diffrn_measurement_device       'Mercury CCD (2x2 bin mode)'
_diffrn_measurement_method       dtprofit.ref
_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  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0849
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2406
_diffrn_reflns_theta_full        24.69
_diffrn_reflns_theta_max         24.69
_diffrn_reflns_theta_min         2.81
_exptl_absorpt_coefficient_mu    2.737
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.6741
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.053
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.1000
_exptl_crystal_size_mid          0.1000
_exptl_crystal_size_min          0.0100
_refine_diff_density_max         0.414
_refine_diff_density_min         -0.510
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.920
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     104
_refine_ls_number_reflns         982
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.920
_refine_ls_R_factor_all          0.0809
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0412P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0760
_refine_ls_wR_factor_ref         0.0846
_reflns_number_gt                655
_reflns_number_total             982
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b211181k.txt
_cod_data_source_block           III
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multiscan' changed to
'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1215.3(7)
_cod_original_sg_symbol_H-M      'I2/a  '
_cod_database_code               7012470