Progressive acylation of pyrene engineers solid state packing and colour via C-H...H-C, C-H...O and pi-pi interactions
Shinaj K. Rajagopal; Abbey M. Philip; Kalaivanan Nagarajan; Mahesh Hariharan; Chem.Commun. 50 (2014) 8644–; doi:10.1039/C4cc01897D

data_7115355
_publ_section_title
;
 Progressive acylation of pyrene engineers solid state packing and colour
 via C-H...H-C, C-H...O and pi-pi interactions
;
_journal_name_full               Chem.Commun.
_journal_page_first              8644
_journal_paper_doi               10.1039/C4cc01897D
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C24 H18 O4'
_chemical_formula_sum            'C24 H18 O4'
_chemical_formula_weight         370.38
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.988(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   20.1864(6)
_cell_length_b                   39.6060(17)
_cell_length_c                   7.0261(2)
_cell_measurement_reflns_used    2495
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.27
_cell_measurement_theta_min      3.10
_cell_volume                     5279.0(3)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0367
_diffrn_reflns_av_sigmaI/netI    0.0694
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       42
_diffrn_reflns_limit_k_min       -47
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            15979
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.19
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9906
_exptl_absorpt_correction_T_min  0.9844
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_meas      1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2328
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.487
_refine_diff_density_min         -0.904
_refine_diff_density_rms         0.146
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2(3)
_refine_ls_extinction_coef       0.0027(5)
_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   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1023
_refine_ls_number_reflns         8235
_refine_ls_number_restraints     1326
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1412
_refine_ls_R_factor_gt           0.0893
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1117P)^2^+16.5705P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2275
_refine_ls_wR_factor_ref         0.2631
_reflns_number_gt                5131
_reflns_number_total             8235
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c4cc01897d2.cif
_cod_data_source_block           babu
_cod_original_sg_symbol_H-M      'C2   '
_cod_database_code               7115355