Variable segment roles: modulation of the packing modes, nanocrystal morphologies and optical emissions.
Wang, Sha-Sha; Rong, Rong; Jin, Ling-Zhi; Yang, Shan-Shan; Li, Yin-Xiang; Zhang, He; Xiong, Yu-Wei; Sun, Li-Tao; Cao, Hong-Tao; Xie, Ling-Hai; Huang, Wei; Nanoscale 10 (2018) 13310–13314; doi:10.1039/c8nr02956c

data_1549617
_publ_section_title
;
 Variable segment roles: modulation of the packing modes, nanocrystal
 morphologies and optical emissions.
;
_journal_issue                   28
_journal_name_full               Nanoscale
_journal_page_first              13310
_journal_page_last               13314
_journal_paper_doi               10.1039/c8nr02956c
_journal_volume                  10
_journal_year                    2018
_chemical_formula_moiety         'C37 H23 N O'
_chemical_formula_sum            'C37 H23 N O'
_chemical_formula_weight         497.56
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-12-16
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                90
_cell_angle_beta                 90.836(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4322(9)
_cell_length_b                   16.5755(16)
_cell_length_c                   16.9196(15)
_cell_measurement_reflns_used    6186
_cell_measurement_temperature    296
_cell_measurement_theta_max      28.11
_cell_measurement_theta_min      2.46
_cell_volume                     2645.0(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      295.67
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0434
_diffrn_reflns_av_unetI/netI     0.0473
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23566
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.356
_diffrn_reflns_theta_min         2.159
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_target            Mo
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6609
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/5'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.246
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         6582
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1151
_refine_ls_R_factor_gt           0.0596
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0638P)^2^+0.4945P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1297
_refine_ls_wR_factor_ref         0.1581
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3751
_reflns_number_total             6582
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nr02956c1.cif
_cod_data_source_block           222
_cod_depositor_comments
'Adding full bibliography for 1549616--1549618.cif.'
_cod_database_code               1549617
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C8(H8), C9(H9), C10(H10), C11(H11), C15(H15),
 C17(H17), C18(H18), C21(H21), C22(H22), C23(H23), C24(H24), C27(H27), C28(H28),
  C29(H29), C30(H30), C33(H33), C34(H34), C35(H35), C36(H36)
;
_shelx_res_checksum              69752
_shelx_hkl_checksum              64223
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'