Functionalized Carbon Nanohoops: Synthesis and Structure of a [9]Cycloparaphenylene Bearing Three 5,8-Dimethoxynaphth-1,4-diyl Units.
Huang, Changfeng; Huang, Yiwei; Akhmedov, Novruz G.; Popp, Brian V.; Petersen, Jeffrey L.; Wang, Kung K.; Organic letters 16 (2014) 2672–2675; doi:10.1021/ol500904x

data_1515898
_publ_section_title
;
 Functionalized Carbon Nanohoops: Synthesis and Structure of a
 [9]Cycloparaphenylene Bearing Three 5,8-Dimethoxynaphth-1,4-diyl Units.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2672
_journal_page_last               2675
_journal_paper_doi               10.1021/ol500904x
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C24 H20 Br2 O2'
_chemical_formula_weight         500.22
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.629(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.0856(11)
_cell_length_b                   7.4117(7)
_cell_length_c                   23.495(2)
_cell_measurement_reflns_used    6662
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      2.88
_cell_volume                     2104.4(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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  0.0346
_diffrn_reflns_av_sigmaI/netI    0.0404
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            14457
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.88
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    3.869
_exptl_absorpt_correction_T_max  0.390
_exptl_absorpt_correction_T_min  0.248
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.579
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.734
_refine_diff_density_min         -0.574
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         4816
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0550
_refine_ls_R_factor_gt           0.0380
_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^)+(0.0552P)^2^+0.2842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1082
_reflns_number_gt                3549
_reflns_number_total             4816
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol500904x_si_002.cif
_cod_data_source_block           yih1ccd
_cod_depositor_comments
;Adding full bibliography for 1515898--1515900.cif.

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_cell_volume        2104.5(3)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1515898