Syntheses of soluble, pi-stacking tetracene derivatives.
Chen, Zhihua; Müller, Peter; Swager, Timothy M.; Organic letters 8 (2006) 273–276; doi:10.1021/ol0526468

data_1505831
_publ_section_title
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 Syntheses of soluble, pi-stacking tetracene derivatives.
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_journal_issue                   2
_journal_name_full               'Organic letters'
_journal_page_first              273
_journal_page_last               276
_journal_paper_doi               10.1021/ol0526468
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C30 H32 F4 O2'
_chemical_formula_weight         500.56
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.215(3)
_cell_angle_beta                 100.102(3)
_cell_angle_gamma                96.192(3)
_cell_formula_units_Z            2
_cell_length_a                   7.1616(5)
_cell_length_b                   13.2625(11)
_cell_length_c                   13.4547(11)
_cell_measurement_reflns_used    7026
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.49
_cell_measurement_theta_min      2.29
_cell_volume                     1245.20(17)
_computing_cell_refinement       'SAINT 5 (Bruker-AXS, 2003)'
_computing_data_collection       'SMART 5 (Bruker-AXS, 2003)'
_computing_data_reduction        'SAINT 5 (Bruker-AXS, 2003)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       'omega and phi 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  0.0322
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_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
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_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            27242
_diffrn_reflns_theta_full        29.13
_diffrn_reflns_theta_max         29.13
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.9959
_exptl_absorpt_correction_T_min  0.9700
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.30
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_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.531
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         6682
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_refine_ls_R_factor_all          0.0648
_refine_ls_R_factor_gt           0.0483
_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^)+(0.0841P)^2^+0.0704P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1250
_refine_ls_wR_factor_ref         0.1368
_reflns_number_gt                5095
_reflns_number_total             6682
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol0526468si20051031_123323.cif
_cod_data_source_block           05073
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1505831