Crystalline adducts of the Lawsone molecule (2-hydroxy-1,4-naphthaquinone): optical properties and computational modelling
Pallipurath, Anuradha; Skelton, Jonathan M.; Delori, Amit; Duffy, Connor; Erxleben, Andrea; Jones, William; CrystEngComm 17 (2015) 7684–; doi:10.1039/C5CE01644D

data_7222008
_publ_section_title
;
 Crystalline adducts of the Lawsone molecule
 (2-hydroxy-1,4-naphthaquinone): optical properties and computational
 modelling
;
_journal_issue                   40
_journal_name_full               CrystEngComm
_journal_page_first              7684
_journal_paper_doi               10.1039/C5CE01644D
_journal_volume                  17
_journal_year                    2015
_chemical_formula_sum            'C15 H11 N O4'
_chemical_formula_weight         269.25
_chemical_melting_point          420.9
_chemical_name_common            lawsone-hydroxypyridine
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2015-08-13 deposited with the CCDC.
2015-09-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.329(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.6937(12)
_cell_length_b                   5.1534(3)
_cell_length_c                   17.5288(12)
_cell_measurement_reflns_used    1297
_cell_measurement_temperature    299.3(6)
_cell_measurement_theta_max      29.1660
_cell_measurement_theta_min      4.5840
_cell_volume                     1235.97(16)
_computing_cell_refinement
;
'Wed Feb 25 20:23:53 2015'
;
_computing_data_collection
;
'Wed Feb 25 20:23:53 2015'
;
_computing_data_reduction
;
'Wed Feb 25 20:23:53 2015'
;
_computing_molecular_graphics    OSCAIL
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SHELXT
_diffrn_ambient_temperature      299.3(6)
_diffrn_detector_area_resol_mean 16.1048
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.865
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0201
_diffrn_reflns_av_unetI/netI     0.0370
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.865
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            5890
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.865
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.196
_diffrn_reflns_theta_min         3.704
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.72226
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
crysalispro, agilent technologies,
version 1.171.37.35 (release 13-08-2014 crysalis171 .net)
(compiled aug 13 2014,18:06:01)
empirical absorption correction using spherical harmonics,
 implemented in scale3 abspack scaling algorithm.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.447
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             560
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: '
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2880
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0748
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0521P)^2^+0.2368P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1047
_refine_ls_wR_factor_ref         0.1242
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1948
_reflns_number_total             2880
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ce01644d2.cif
_cod_data_source_block           conor_nq-hp
_cod_depositor_comments
'Adding full bibliography for 7222005--7222008.cif.'
_cod_database_code               7222008
_shelx_estimated_absorpt_t_min   0.949
_shelx_estimated_absorpt_t_max   0.979
_shelx_res_checksum              77099