(<i>E</i>)-1-Methyl-4-[2-(2-naphthyl)vinyl]pyridinium iodide
Fun, Hoong Kun; Chanawanno, Kullapa; Chantrapromma, Suchada; Acta Crystallographica Section E 65 (2009) o1406–o1407; doi:10.1107/S1600536809019114

data_2221972
_publ_section_title
;
 (<i>E</i>)-1-Methyl-4-[2-(2-naphthyl)vinyl]pyridinium iodide
;
_journal_coeditor_code           CI2807
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1406
_journal_page_last               o1407
_journal_paper_doi               10.1107/S1600536809019114
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C18 H16 N +, I -'
_chemical_formula_moiety         'C18 H16 N +, I -'
_chemical_formula_sum            'C18 H16 I N'
_chemical_formula_weight         373.29
_chemical_melting_point_gt       557
_chemical_melting_point_lt       558
_chemical_name_systematic
;
(<i>E</i>)-1-Methyl-4-[2-(2-naphthyl)vinyl]pyridinium iodide
;
_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                90.00
_cell_angle_beta                 101.2800(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.27890(10)
_cell_length_b                   10.9363(2)
_cell_length_c                   20.0883(4)
_cell_measurement_reflns_used    6896
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      35.00
_cell_measurement_theta_min      2.13
_cell_volume                     1568.22(5)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0254
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            34203
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         35.00
_diffrn_reflns_theta_min         2.13
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.032
_exptl_absorpt_correction_T_max  0.8383
_exptl_absorpt_correction_T_min  0.4123
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.581
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.53
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.09
_refine_diff_density_max         3.511
_refine_diff_density_min         -2.416
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         6896
_refine_ls_number_restraints     91
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0555
_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^)+(0.0586P)^2^+4.6136P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1395
_refine_ls_wR_factor_ref         0.1475
_reflns_number_gt                5373
_reflns_number_total             6896
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2807.cif
_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 

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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2221972
_cod_database_fobs_code          2221972