Improving success rate of hydrogen-bond driven synthesis of co-crystals
Christer B. Aakeröy; John Desper; Meg E. Fasulo; CrystEngComm 8 (2006) 586–; doi:10.1039/b609709j

data_7203569
_publ_section_title
;
 Improving success rate of hydrogen-bond driven synthesis of
 co-crystals
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              586
_journal_paper_doi               10.1039/b609709j
_journal_volume                  8
_journal_year                    2006
_chemical_formula_moiety
;
(C18 H22 N4) (C7 H4 Cl2 O2)2
;
_chemical_formula_sum            'C32 H30 Cl4 N4 O4'
_chemical_formula_weight         676.40
_chemical_name_common
;MF142Me8 1,4-bis((3,5-dimethylpyrazol-1-yl)methyl)benzene,
(2,6-Cl2PhCOOH)2
;
_chemical_name_systematic
;
MF142Me8 1,4-bis[(3,5-dimethylpyrazol-1-yl)methyl]benzene, (2,6-Cl2PhCOOH)2
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                103.784(7)
_cell_angle_beta                 101.429(7)
_cell_angle_gamma                90.509(6)
_cell_formula_units_Z            1
_cell_length_a                   7.5783(8)
_cell_length_b                   7.9010(9)
_cell_length_c                   14.1442(13)
_cell_measurement_reflns_used    1494
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.70
_cell_volume                     804.80(15)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_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 0.932
_diffrn_measured_fraction_theta_max 0.932
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0913
_diffrn_reflns_av_sigmaI/netI    0.0773
_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       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6024
_diffrn_reflns_theta_full        27.89
_diffrn_reflns_theta_max         27.89
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.411
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             350
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.500
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.357
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         3580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.357
_refine_ls_R_factor_all          0.0804
_refine_ls_R_factor_gt           0.0666
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1956
_refine_ls_wR_factor_ref         0.2060
_reflns_number_gt                2707
_reflns_number_total             3580
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b609709j.txt
_cod_data_source_block           2a
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_sg_symbol_H-M      P-1
_cod_database_code               7203569