A study of the effects of subunit pre-orientation for diarylpyrrole esters; design of new aryl-heteroaryl fluorescent sensors
John Killoran; John F. Gallagher; Paul V. Murphy; Donal F. O'Shea; New Journal of Chemistry 29 (2005) 1258–; doi:10.1039/b507669b

data_7050007
_publ_section_title
;
 A study of the effects of subunit pre-orientation for diarylpyrrole
 esters; design of new aryl-heteroaryl fluorescent sensors
;
_journal_issue                   10
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1258
_journal_paper_doi               10.1039/b507669b
_journal_volume                  29
_journal_year                    2005
_chemical_formula_moiety         'C19 H17 N O2'
_chemical_formula_sum            'C19 H17 N O2'
_chemical_formula_weight         291.34
_chemical_melting_point          412
_chemical_name_common
'3,5-Diphenyl-1H-pyrrole-2-carboxylic acid ethyl ester'
_chemical_name_systematic
;
3,5-Diphenyl-1H-pyrrole-2-carboxylic acid ethyl ester
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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
_cell_angle_beta                 102.020(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5232(12)
_cell_length_b                   7.5048(4)
_cell_length_c                   20.2461(15)
_cell_measurement_reflns_used    85
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      18.88
_cell_measurement_theta_min      6.94
_cell_volume                     1563.9(2)
_computing_cell_refinement       'XSCANS (Siemens, 1996)'
_computing_data_collection       'XSCANS (Siemens, 1996)'
_computing_data_reduction        'XSCANS (Siemens, 1996)'
_computing_molecular_graphics    'PLATON (Spek, 2002), ORTEX (McArdle, 1995)'
_computing_publication_material  'PLATON (Spek, 2002), PREP8 (Ferguson, 1998)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       /w
_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  0.035
_diffrn_reflns_av_sigmaI/netI    0.037
_diffrn_reflns_limit_h_max       1
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -1
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            4173
_diffrn_reflns_theta_full        26.0
_diffrn_reflns_theta_max         26.0
_diffrn_reflns_theta_min         2.0
_diffrn_standards_decay_%        1
_diffrn_standards_interval_count 296
_diffrn_standards_number         4
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.970
_exptl_absorpt_correction_T_min  0.965
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.38
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.19
_refine_diff_density_rms         0.05
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         3081
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0449
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0466P)^2^+0.3335P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1018
_refine_ls_wR_factor_ref         0.1142
_reflns_number_gt                2189
_reflns_number_total             3081
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            b507669b.txt
_cod_data_source_block           (I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_Hall     '-p 2ybc'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7050007