Structural properties of a series of photochromic fluorinated indolylfulgides
Wolak, Mason A.; Finn, Robert C.; Rarig Jr, Randy S.; Thomas, Craig J.; Hammond, Robert P.; Birge, Robert R.; Zubieta, Jon; Lees, Watson J.; Acta Crystallographica Section C 58 (2002) o389–o393; doi:10.1107/S0108270102008041

data_2012787
_publ_section_title
;
 Structural properties of a series of photochromic fluorinated
 indolylfulgides
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o389
_journal_page_last               o393
_journal_paper_doi               10.1107/S0108270102008041
_journal_volume                  58
_journal_year                    2002
_chemical_formula_sum            'C21 H16 F7 N O3'
_chemical_formula_weight         463.35
_chemical_name_systematic
;
(3Z)-3-[1-(1,2-dimethyl-1H-indol-3-yl)-2,2,3,3,4,4,4-
heptafluorobutylidene]-4-(1-methylethylidene)dihydrofuran-2,5-dione
;
_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           SHELXL97
_cell_angle_alpha                93.75(3)
_cell_angle_beta                 111.33(3)
_cell_angle_gamma                115.80(2)
_cell_formula_units_Z            2
_cell_length_a                   10.070(2)
_cell_length_b                   11.003(2)
_cell_length_c                   11.266(2)
_cell_measurement_reflns_used    5487
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.01
_cell_volume                     1008.9(5)
_computing_cell_refinement       'Please provide missing details'
_computing_data_collection       'Please provide missing details'
_computing_data_reduction        'Please provide missing details'
_computing_molecular_graphics    'Please provide missing details'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean '512 x 512'
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker P4 with CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_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  0.025
_diffrn_reflns_av_sigmaI/netI    0.054
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5487
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.01
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    0.145
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.975
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.526
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rhomb
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.77
_refine_diff_density_min         -0.27
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         3520
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.088
_refine_ls_R_factor_gt           0.054
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0794P)^2^+0.3462P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.135
_refine_ls_wR_factor_ref         0.152
_reflns_number_gt                2421
_reflns_number_total             3520
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bk1655.cif
_cod_data_source_block           III
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

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 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2012787
_cod_database_fobs_code          2012787