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_1549616
_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 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
_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                 106.472(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.115(2)
_cell_length_b                   11.1281(19)
_cell_length_c                   19.686(3)
_cell_measurement_reflns_used    1415
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.36
_cell_measurement_theta_min      2.30
_cell_volume                     2545.1(7)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_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      296.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0539
_diffrn_reflns_av_unetI/netI     0.0768
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15729
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.726
_diffrn_reflns_theta_min         2.124
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6632
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0898 before and 0.0470 after correction.
The Ratio of minimum to maximum transmission is 0.8895.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            white
_exptl_crystal_colour_primary    white
_exptl_crystal_density_diffrn    1.299
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.222
_refine_diff_density_rms         0.042
_refine_ls_extinction_coef       0.0052(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   0.926
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         5939
_refine_ls_number_restraints     401
_refine_ls_restrained_S_all      0.897
_refine_ls_R_factor_all          0.1427
_refine_ls_R_factor_gt           0.0517
_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^)+(0.0634P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1136
_refine_ls_wR_factor_ref         0.1508
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2604
_reflns_number_total             5939
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8nr02956c3.cif
_cod_data_source_block           p21n
_cod_depositor_comments
'Adding full bibliography for 1549616--1549618.cif.'
_cod_original_cell_volume        2544.9(7)
_cod_database_code               1549616
_shelx_estimated_absorpt_t_max   0.991
_shelx_estimated_absorpt_t_min   0.984
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Rigid bond restraints
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
3. Uiso/Uaniso restraints and constraints
All non-hydrogen atoms have similar U: within 2A with sigma of 0.04 and sigma
for terminal atoms of 0.08
4.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C8(H8), C9(H9), C10(H10), C11(H11), C14(H14),
 C15(H15), C18(H18), C22(H22), C23(H23), C24(H24), C25(H25), C27(H27), C28(H28),
  C29(H29), C30(H30), C33(H33), C34(H34), C35(H35), C36(H36)
;
_shelx_res_checksum              54631
_shelx_hkl_checksum              18684
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'