Mechanically Flexible Organic Crystals Achieved by Introducing Weak Interactions in Structure: Supramolecular Shape Synthons.
Krishna, Gamidi Rama; Devarapalli, Ramesh; Lal, Garima; Reddy, C. Malla; Journal of the American Chemical Society 138 (2016) 13561–13567; doi:10.1021/jacs.6b05118

data_4130602
_publ_section_title
;
 Mechanically Flexible Organic Crystals Achieved by Introducing Weak
 Interactions in Structure: Supramolecular Shape Synthons.
;
_journal_issue                   41
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13561
_journal_page_last               13567
_journal_paper_doi               10.1021/jacs.6b05118
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C16 H10 N2 O4'
_chemical_formula_sum            'C16 H10 N2 O4'
_chemical_formula_weight         294.26
_chemical_name_common            N,N'-bis(methyl)-1,4,5,8-naphthalenediimide
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 93.990(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.6215(15)
_cell_length_b                   8.019(3)
_cell_length_c                   17.024(6)
_cell_measurement_reflns_used    1068
_cell_measurement_temperature    100
_cell_measurement_theta_max      25.52
_cell_measurement_theta_min      2.81
_cell_volume                     629.4(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-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Kappa APEX-II CCD DUO'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0365
_diffrn_reflns_av_sigmaI/netI    0.0324
_diffrn_reflns_limit_h_max       3
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            6047
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; BRUKER, 2008'
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.553
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             304.0
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.098
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.018(9)
_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   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     102
_refine_ls_number_reflns         1507
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0759
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1354
_refine_ls_wR_factor_ref         0.1636
_reflns_number_gt                977
_reflns_number_total             1507
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja6b05118_si_006.cif
_cod_data_source_block           1a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               4130602