An approach to chiral magnets using ?-hydroxycarboxylates
Beghidja, Adel; Rogez, Guillaume; Rabu, Pierre; Welter, Richard; Drillon, Marc; Journal of Materials Chemistry 16 (2006) 2715–; doi:10.1039/b603014a

data_7203363
_publ_section_title
;
 An approach to chiral magnets using ?-hydroxycarboxylates
;
_journal_issue                   26
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2715
_journal_paper_doi               10.1039/b603014a
_journal_volume                  16
_journal_year                    2006
_chemical_formula_moiety         'C19 H22 Co O7'
_chemical_formula_sum            'C19 H22 Co O7'
_chemical_formula_weight         421.30
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             10-03-06
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 119.66(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.296(3)
_cell_length_b                   6.899(2)
_cell_length_c                   22.434(5)
_cell_measurement_reflns_used    7366
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     1922.7(13)
_computing_cell_refinement       'Denzo (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo (Nonius B.V., 1998)'
_computing_molecular_graphics    'PLATON 98 (Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       '\p scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0923
_diffrn_reflns_av_sigmaI/netI    0.1793
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13221
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.930
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             876
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.605
_refine_diff_density_min         -0.710
_refine_diff_density_rms         0.211
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         5597
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.1807
_refine_ls_R_factor_gt           0.0946
_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^)+(0.0500P)^2^+10.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1487
_refine_ls_wR_factor_ref         0.2014
_reflns_number_gt                3341
_reflns_number_total             5597
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b603014a.txt
_cod_data_source_block           chara4
_cod_original_cell_volume        1922.6(12)
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7203363