Syntheses and characterization of bis(trifluoromethyl)phosphino naphthalenes and acenaphthenes.
Wawrzyniak, Piotr; Slawin, Alexandra M. Z.; Woollins, J. Derek; Kilian, Petr; Dalton transactions (Cambridge, England : 2003) 39 (2010) 85–92; doi:10.1039/b916425a

data_7024388
_publ_section_title
;
 Syntheses and characterization of bis(trifluoromethyl)phosphino
 naphthalenes and acenaphthenes.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              85
_journal_page_last               92
_journal_paper_doi               10.1039/b916425a
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C26 H20 O4'
_chemical_formula_sum            'C26 H20 O4'
_chemical_formula_weight         396.42
_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                86.224(15)
_cell_angle_beta                 88.075(13)
_cell_angle_gamma                80.615(15)
_cell_formula_units_Z            1
_cell_length_a                   6.1437(15)
_cell_length_b                   8.3382(18)
_cell_length_c                   9.720(3)
_cell_measurement_reflns_used    1476
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      28.5637
_cell_measurement_theta_min      2.1003
_cell_volume                     490.1(2)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_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      93(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0813
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3236
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             208
_exptl_crystal_size_max          0.1000
_exptl_crystal_size_mid          0.0500
_exptl_crystal_size_min          0.0500
_refine_diff_density_max         0.214
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.048
_refine_ls_extinction_coef       0.017(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.968
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         1746
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.0776
_refine_ls_R_factor_gt           0.0471
_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^)+(0.0382P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0870
_refine_ls_wR_factor_ref         0.1021
_reflns_number_gt                1158
_reflns_number_total             1746
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b916425a.txt
_cod_data_source_block           piotr2n
_cod_depositor_comments
;
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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7024388