Abundant Lattice Inclusion Phenomenon with Sterically Hindered and Inherently Shape-Selective Tetraarylpyrenes
Jarugu Narasimha Moorthy; Palani Natarajan; Paloth Venugopalan; Journal of Organic Chemistry 74 (2009) 8566–8577; doi:10.1021/jo901465f

data_4025021
_publ_contact_author_address
;Departmet of chemistry
Indian Institute of Technology - Kanpur
Kanpur - 208 016
INDIA
;
_publ_contact_author_email       moorthy@iitk.ac.in
_publ_contact_author_fax         +915122597436
_publ_contact_author_name        'Prof. J. N. Moorthy'
_publ_contact_author_phone       +915122597498
_publ_section_title
;
Abundant Lattice Inclusion Phenomenon with Sterically Hindered and
Inherently Shape-Selective Tetraarylpyrenes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8566
_journal_page_last               8577
_journal_paper_doi               10.1021/jo901465f
_journal_volume                  74
_journal_year                    2009
_chemical_formula_moiety         'C26 H30'
_chemical_formula_sum            'C26 H30'
_chemical_formula_weight         342.50
_chemical_melting_point          120
_chemical_name_common            2,4-bis(mesityl)m-xylene
_chemical_name_systematic
; 
 2,4-bis(mesityl)m-xylene 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.818(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2689(8)
_cell_length_b                   24.510(3)
_cell_length_c                   11.8999(13)
_cell_measurement_reflns_used    1899
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.76
_cell_measurement_theta_min      2.42
_cell_volume                     2058.7(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXL 5.1, XP (Sheldrick, 1994)'
_computing_publication_material  SHELXS-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX'
_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  0.0435
_diffrn_reflns_av_sigmaI/netI    0.0543
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11539
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.062
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.105
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         4034
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0579
_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^)+(0.0505P)^2^+0.8522P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1246
_refine_ls_wR_factor_ref         0.1339
_reflns_number_gt                3066
_reflns_number_total             4045
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo901465f_si_001_41.cif
_cod_data_source_block           H5
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4025021