[6]Cyclo-2,7-naphthylene: a redetermination
Nakanishi, Waka; Xue, Jing Yang; Yoshioka, Tomoaki; Isobe, Hiroyuki; Acta Crystallographica Section E 67 (2011) o1762–o1763; doi:10.1107/S1600536811023427

data_2230821
_publ_section_title
;
 [6]Cyclo-2,7-naphthylene: a redetermination
;
_journal_coeditor_code           NR2007
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1762
_journal_page_last               o1763
_journal_paper_doi               10.1107/S1600536811023427
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C60 H36'
_chemical_formula_moiety         'C60 H36'
_chemical_formula_sum            'C60 H36'
_chemical_formula_weight         756.89
_chemical_name_systematic
;
[6]Cyclo-2,7-naphthylene
;
_space_group_IT_number           64
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c a'
_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                   34.224(6)
_cell_length_b                   7.4629(14)
_cell_length_c                   15.131(3)
_cell_measurement_reflns_used    5445
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.20
_cell_measurement_theta_min      2.38
_cell_volume                     3864.6(13)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and Mercury (Macrae <i>et al.</i>, 2008)'
_computing_publication_material
;
SHELXL97 (Sheldrick, 2008) and Yadokari-XG 2009 (Kabuto <i>et
al.</i>, 2009)
and publCIF (Westrip, 2010)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0192
_diffrn_reflns_limit_h_max       43
_diffrn_reflns_limit_h_min       -43
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            20522
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.38
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9956
_exptl_absorpt_correction_T_min  0.6856
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1584
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.351
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     139
_refine_ls_number_reflns         2234
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0855
_refine_ls_R_factor_gt           0.0664
_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^)+(0.0565P)^2^+7.0687P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1605
_refine_ls_wR_factor_ref         0.1812
_reflns_number_gt                1667
_reflns_number_total             2234
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            nr2007.cif
_cod_data_source_block           I
_cod_original_cell_volume        3864.7(12)
_cod_original_sg_symbol_Hall     '-C 2bc 2'
_cod_database_code               2230821
_cod_database_fobs_code          2230821