Metal triflate promoted synthesis of naphthalenes
Chan, Chieh-Kai; Wang, Heui-Sin; Tsai, Yu-Lin; Chang, Meng-Yang; RSC Adv. 7 (2017) 29321–; doi:10.1039/C7RA04960A

data_7228413
_publ_section_title
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 Metal triflate promoted synthesis of naphthalenes
;
_journal_issue                   47
_journal_name_full               'RSC Adv.'
_journal_page_first              29321
_journal_paper_doi               10.1039/C7RA04960A
_journal_volume                  7
_journal_year                    2017
_chemical_formula_sum            'C24 H20 O2'
_chemical_formula_weight         340.40
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_block_doi                 10.5517/ccdc.csd.cc1n4f6f
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2016-12-20 deposited with the CCDC.
2017-05-30 downloaded from the CCDC.
;
_cell_angle_alpha                106.574(2)
_cell_angle_beta                 94.682(2)
_cell_angle_gamma                104.105(2)
_cell_formula_units_Z            2
_cell_length_a                   6.6111(3)
_cell_length_b                   9.8830(5)
_cell_length_c                   14.4700(8)
_cell_measurement_reflns_used    4572
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.2864
_cell_measurement_theta_min      2.2393
_cell_volume                     867.14(8)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0262
_diffrn_reflns_av_unetI/netI     0.0266
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11883
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.356
_diffrn_reflns_theta_min         1.488
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8919
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         3534
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0386
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0667P)^2^+0.2269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1084
_refine_ls_wR_factor_ref         0.1231
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3032
_reflns_number_total             3534
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra04960a2.cif
_cod_data_source_block           161104LT_0m
_cod_depositor_comments
;
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 4973 2017-02-22 13:04:09Z antanas 
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_cod_database_code               7228413
_shelxl_version_number           2014/6
_shelx_res_checksum              30341