Structural Versatility of Pyrene-2-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolane) and Pyrene-2,7-bis(4,4,5,5-tetramethyl-[1,3,2]dioxaborolane)
Batsanov, Andrei S.; Howard, Judith A. K.; Albesa-Jové, David; Collings, Jonathan C.; Liu, Zhiqiang; Mkhalid, Ibraheem A. I.; Thibault, Marie-Hélène; Marder, Todd B.; Crystal Growth & Design 12 (2012) 2794–; doi:10.1021/cg201554t

data_4506141
_publ_section_title
;
 Structural Versatility of
 Pyrene-2-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolane) and
 Pyrene-2,7-bis(4,4,5,5-tetramethyl-[1,3,2]dioxaborolane)
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2794
_journal_paper_doi               10.1021/cg201554t
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C28 H32 B2 O4'
_chemical_formula_sum            'C28 H32 B2 O4'
_chemical_formula_weight         454.16
_chemical_melting_point          605
_chemical_name_systematic
; 
 Pyrene-2,7-bis(4,4,5,5-tetramethyl-[1,3,2]dioxaborolane) 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.137(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.6980(4)
_cell_length_b                   11.0555(6)
_cell_length_c                   11.2465(6)
_cell_measurement_reflns_used    7497
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.05
_cell_measurement_theta_min      2.66
_cell_volume                     1256.64(11)
_computing_cell_refinement       'SAINT version 6.45A (Bruker, 2003)'
_computing_data_collection       'SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT version 6.45A (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL version 6.14 (Bruker, 2003)'
_computing_publication_material  'SHELXTL version 6.14 (Bruker, 2003)'
_computing_structure_refinement  'SHELXTL version 6.14 (Bruker, 2003)'
_computing_structure_solution    'SHELXTL version 6.14 (Bruker, 2003)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 5.6
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Bruker SMART 6000 CCD area detector'
_diffrn_measurement_method       '\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  0.0312
_diffrn_reflns_av_sigmaI/netI    0.0222
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14824
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         30.15
_diffrn_reflns_theta_min         2.28
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.200
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'oblong block'
_exptl_crystal_F_000             484
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.434
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3547
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0777P)^2^+0.1006P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1144
_refine_ls_wR_factor_ref         0.1213
_reflns_number_gt                2881
_reflns_number_total             3547
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg201554t_si_002.cif
_cod_data_source_block           \b-1
_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_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4506141