Supramolecular hair dyes: a new application of cocrystallization
Delori, Amit; Urquhart, Andrew J.; Oswald, Iain D. H.; CrystEngComm 18 (2016) 5360–; doi:10.1039/C6CE01001F

data_7225372
_publ_section_title
;
 Supramolecular hair dyes: a new application of cocrystallization
;
_journal_issue                   28
_journal_name_full               CrystEngComm
_journal_page_first              5360
_journal_paper_doi               10.1039/C6CE01001F
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         '2(C10 H5 O3), C6 H10 N2'
_chemical_formula_sum            'C26 H20 N2 O6'
_chemical_formula_weight         456.44
_chemical_name_systematic        1,4-Diaminobenzene+lawsone
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2015-11-09 deposited with the CCDC.
2016-05-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.851(13)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.204(3)
_cell_length_b                   8.573(2)
_cell_length_c                   8.3934(19)
_cell_measurement_reflns_used    4963
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.60
_cell_measurement_theta_min      2.78
_cell_volume                     1021.5(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0657
_diffrn_reflns_av_unetI/netI     0.0542
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4626
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.326
_diffrn_reflns_theta_min         2.428
_diffrn_source                   INCOATECImuSMo
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.5369
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2007)'
_exptl_crystal_colour            'orangeish brown'
_exptl_crystal_density_diffrn    1.484
_exptl_crystal_description       Block
_exptl_crystal_F_000             476
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.558
_refine_diff_density_rms         0.099
_refine_ls_extinction_coef       0.011(4)
_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   1.134
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     90
_refine_ls_number_reflns         985
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.134
_refine_ls_R_factor_all          0.1261
_refine_ls_R_factor_gt           0.0982
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0726P)^2^+10.3813P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2413
_refine_ls_wR_factor_ref         0.2574
_reflns_Friedel_coverage         0.000
_reflns_number_gt                737
_reflns_number_total             985
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce01001f2.cif
_cod_data_source_block           p-Phenylenediamine+lawsone
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7225370--7225374.cif.
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_cod_database_code               7225372
_shelxl_version_number           2013-3
_shelx_res_checksum              92119