<i>trans</i>-1,2-Bis(4-pyridyl)ethylene monohydrate
Huang, Wei; Qian, Hui-Fen; Acta Crystallographica Section E 61 (2005) o2050–o2052; doi:10.1107/S1600536805017666

data_2206272
_publ_section_title
;
 <i>trans</i>-1,2-Bis(4-pyridyl)ethylene monohydrate
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2050
_journal_page_last               o2052
_journal_paper_doi               10.1107/S1600536805017666
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C12 H10 N2, H2 O'
_chemical_formula_moiety         'C12 H10 N2, H2 O'
_chemical_formula_sum            'C12 H12 N2 O'
_chemical_formula_weight         200.24
_chemical_name_systematic
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 Trans-1,2-bis(4-pyridyl)ethylene monohydrate
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.1778(18)
_cell_length_b                   14.768(3)
_cell_length_c                   7.6109(15)
_cell_measurement_reflns_used    4671
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.4765
_cell_volume                     1031.6(4)
_computing_cell_refinement       CrystalClear
_computing_data_collection
'CrystalClear (Molecular Structure Corporation & Rigaku Corporation, 2001)'
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation & Rigaku Corporation, 2000)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2000)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 14.6199
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Rigaku Mercury CCD area-detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'graphite monochromator'
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0718
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            9337
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         4.65
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9824
_exptl_absorpt_correction_T_min  0.9782
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(REQAB; Jacobson, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.168
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     144
_refine_ls_number_reflns         1194
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.167
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0372P)^2^+0.2772P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0894
_refine_ls_wR_factor_ref         0.0895
_reflns_number_gt                1182
_reflns_number_total             1194
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz6088.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        1031.5(4)
_cod_database_code               2206272
_cod_database_fobs_code          2206272