2,6-Bis[2,4-bis(heptyloxy)phenyl]pyridine
Alcock, Nathaniel W.; Rourke, Jonathan P; Acta Crystallographica Section E 61 (2005) o368–o369; doi:10.1107/S1600536805001248

data_2205168
_publ_section_title
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 2,6-Bis[2,4-bis(heptyloxy)phenyl]pyridine
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o368
_journal_page_last               o369
_journal_paper_doi               10.1107/S1600536805001248
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C41 H61 N O4'
_chemical_formula_moiety         'C41 H61 N O4'
_chemical_formula_sum            'C41 H61 N O4'
_chemical_formula_weight         631.91
_chemical_name_systematic
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2,6-Bis[2,4-bis(heptyloxy)phenyl]pyridine
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 93.963(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.2502(10)
_cell_length_b                   6.9682(6)
_cell_length_c                   24.014(2)
_cell_measurement_reflns_used    2201
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      3
_cell_volume                     1878.0(3)
_computing_cell_refinement       'SAINT (Siemens, 1995)'
_computing_data_collection       'SMART (Siemens, 1994)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      180(2)
_diffrn_detector_area_resol_mean 8.192
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens SMART'
_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  0.045
_diffrn_reflns_av_sigmaI/netI    0.062
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8996
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         1.7
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.896
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.117
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             692
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.22
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.04
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3318
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.04
_refine_ls_R_factor_all          0.130
_refine_ls_R_factor_gt           0.060
_refine_ls_shift/su_max          0.043
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.078P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.134
_refine_ls_wR_factor_ref         0.168
_reflns_number_gt                1753
_reflns_number_total             3318
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk6205.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 2/n'
_cod_database_code               2205168
_cod_database_fobs_code          2205168