Polymorphism in co-crystals: a metastable form of the ionic co-crystal 2 HBz·1 NaBz crystallised by flash evaporation
Butterhof, Christian; Bärwinkel, Kilian; Senker, Jürgen; Breu, Josef; CrystEngComm 14 (2012) 6744–; doi:10.1039/c2ce25562f

data_7208693
_publ_section_title
;
 Polymorphism in co-crystals: a metastable form of the ionic co-crystal 2
 HBz&#x00B7;1 NaBz crystallised by flash evaporation
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              6744
_journal_paper_doi               10.1039/c2ce25562f
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C21 H17 Na O6'
_chemical_formula_weight         388.34
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.18(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8402(12)
_cell_length_b                   14.499(3)
_cell_length_c                   22.136(4)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.03
_cell_measurement_theta_min      1.85
_cell_volume                     1859.7(6)
_computing_cell_refinement       'STOE IPDS I'
_computing_data_collection       'STOE IPDS I'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Diamnond Version 3.0e'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'STOE IPDS I'
_diffrn_measurement_method       'phi 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  0.1090
_diffrn_reflns_av_sigmaI/netI    0.0674
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            16321
_diffrn_reflns_theta_full        26.03
_diffrn_reflns_theta_max         26.03
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.949
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3466
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.949
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0650P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1173
_reflns_number_gt                2140
_reflns_number_total             3466
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25562f.txt
_cod_data_source_block           ttfa
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7208693