4-(3,4-Methylenedioxyphenoxy)phthalonitrile
Ocak Iskeleli, Nazan; Ag̃ar, Ayşen; Acta Crystallographica Section E 61 (2005) o158–o159; doi:10.1107/S1600536804033094

data_2204931
_publ_section_title
;
 4-(3,4-Methylenedioxyphenoxy)phthalonitrile
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o158
_journal_page_last               o159
_journal_paper_doi               10.1107/S1600536804033094
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C15 H8 N2 O3'
_chemical_formula_moiety         'C15 H8 N2 O3'
_chemical_formula_sum            'C15 H8 N2 O3'
_chemical_formula_weight         264.23
_chemical_name_systematic
;
4-(3,4-Methylenedioxyphenoxy)phthalonitrile
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 91.642(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.0159(3)
_cell_length_b                   23.6948(14)
_cell_length_c                   12.7652(11)
_cell_measurement_reflns_used    22043
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.22
_cell_measurement_theta_min      1.60
_cell_volume                     1214.19(16)
_computing_cell_refinement       X-AREA
_computing_data_collection       'X-AREA (Stoe & Cie, 2002)'
_computing_data_reduction        'X-RED (Stoe & Cie, 2002)'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson, 1996)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Stoe IPDS-2'
_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  0.0983
_diffrn_reflns_av_sigmaI/netI    0.0487
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13225
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.72
_diffrn_standards_decay_%        'not measured'
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.650
_exptl_crystal_size_mid          0.477
_exptl_crystal_size_min          0.330
_refine_diff_density_max         0.131
_refine_diff_density_min         -0.184
_refine_ls_extinction_coef       0.099(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2363
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0662P)^2^+0.0684P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1190
_refine_ls_wR_factor_ref         0.1272
_reflns_number_gt                1887
_reflns_number_total             2363
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            nc6012.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (9
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' 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:

'_geom_bond_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (9
times).

'_geom_angle_publ_flag' value 'Y' changed to 'y' 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 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2204931
_cod_database_fobs_code          2204931