Towards an understanding of the propensity for crystalline hydrate formation by molecular compounds
Bajpai, Alankriti; Scott, Hayley S.; Pham, Tony; Chen, Kai-Jie; Space, Brian; Lusi, Matteo; Perry, Miranda L.; Zaworotko, Michael J.; IUCrJ 3 (2016) –; doi:10.1107/S2052252516015633

data_1544302
_publ_section_title
;
 Towards an understanding of the propensity for crystalline hydrate
 formation by molecular compounds
;
_journal_issue                   6
_journal_name_full               IUCrJ
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2052252516015633
_journal_volume                  3
_journal_year                    2016
_chemical_formula_sum            'C20 H12 N2'
_chemical_formula_weight         280.32
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.7436(16)
_cell_length_b                   10.8510(11)
_cell_length_c                   7.5217(7)
_cell_measurement_reflns_used    68
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      40
_cell_measurement_theta_min      2
_cell_volume                     1448.2(2)
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.831
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Quest'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1285
_diffrn_reflns_av_unetI/netI     0.1841
_diffrn_reflns_Laue_measured_fraction_full 0.831
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            5947
_diffrn_reflns_point_group_measured_fraction_full 0.828
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         60.101
_diffrn_reflns_theta_min         4.777
_exptl_absorpt_coefficient_mu    0.594
_exptl_absorpt_correction_T_max  0.7518
_exptl_absorpt_correction_T_min  0.6026
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_description       plate
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.241
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   -1(3)
_refine_ls_extinction_coef       0.0052(16)
_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   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         2014
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.1506
_refine_ls_R_factor_gt           0.0685
_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^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1328
_refine_ls_wR_factor_ref         0.1629
_reflns_Friedel_coverage         0.840
_reflns_Friedel_fraction_full    0.824
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                1112
_reflns_number_total             2014
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            lc5070.cif
_cod_data_source_block           6
_cod_database_code               1544302
_shelx_estimated_absorpt_t_min   0.943
_shelx_estimated_absorpt_t_max   0.988
_shelxl_version_number           2014-3
_shelx_res_checksum              79039
_shelx_hkl_checksum              22556