Consistency and variability of cocrystals containing positional isomers: the self-assembly evolution mechanism of supramolecular synthons of cresol–piperazine
Wang, Na; Huang, Xin; Chen, Lihang; Yang, Jinyue; Li, Xin; Ma, Jiayuan; Bao, Ying; Li, Fei; Yin, Qiuxiang; Hao, Hongxun; IUCrJ 6 (2019) –; doi:10.1107/S2052252519012363

data_1552402
_publ_section_title
;
 Consistency and variability of cocrystals containing positional isomers:
 the self-assembly evolution mechanism of supramolecular synthons of
 cresol--piperazine
;
_journal_coeditor_code           LQ5023
_journal_issue                   6
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052252519012363
_journal_volume                  6
_journal_year                    2019
_chemical_formula_sum            'C18 H26 N2 O2'
_chemical_formula_weight         302.41
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 93.703(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.6352(8)
_cell_length_b                   13.4281(17)
_cell_length_c                   11.2825(15)
_cell_measurement_reflns_used    2692
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     852.0(2)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b42'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b42 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b42'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0221
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8549
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         3.03
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9908
_exptl_absorpt_correction_T_min  0.9848
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.179
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.262
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.085(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     106
_refine_ls_number_reflns         1950
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0412
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0688P)^2^+0.1842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1260
_reflns_number_gt                1756
_reflns_number_total             1950
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            lq5023.cif
_cod_data_source_block           OC_PP
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/IUCr/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/IUCr/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1552402