Size-selective synthesis of [9]–[11] and [13]cycloparaphenylenes
Ishii, Yuuki; Nakanishi, Yusuke; Omachi, Haruka; Matsuura, Sanae; Matsui, Katsuma; Shinohara, Hisanori; Segawa, Yasutomo; Itami, Kenichiro; Chemical Science 3 (2012) 2340–; doi:10.1039/c2sc20343j

data_1515069
_publ_section_title
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 Size-selective synthesis of [9]--[11] and [13]cycloparaphenylenes
;
_journal_issue                   7
_journal_name_full               'Chemical Science'
_journal_page_first              2340
_journal_paper_doi               10.1039/c2sc20343j
_journal_volume                  3
_journal_year                    2012
_chemical_formula_sum            'C84 H94 O12'
_chemical_formula_weight         1295.59
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.824(4)
_cell_length_b                   20.306(8)
_cell_length_c                   36.358(13)
_cell_measurement_reflns_used    13128
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      25.3411
_cell_measurement_theta_min      3.0080
_cell_volume                     7253(5)
_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
;
Saturn724 CCD (4x4 bin mode) with MicroMax-007
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0585
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            80612
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9984
_exptl_absorpt_correction_T_min  0.9884
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2776
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.087
_refine_diff_density_min         -0.461
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     871
_refine_ls_number_reflns         12768
_refine_ls_number_restraints     264
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.1016
_refine_ls_R_factor_gt           0.0877
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1651P)^2^+0.7858P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2429
_refine_ls_wR_factor_ref         0.2575
_reflns_number_gt                10389
_reflns_number_total             12768
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc20343j.txt
_cod_data_source_block           6_2benzene
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               1515069