1,5-Bis(4-nitrophenoxy)pentane
Khan, Muhammad Saif Ullah; Akhter, Zareen; Bolte, Michael; Butt, M. Saeed; Siddiqi, Humaira M.; Acta Crystallographica Section E 65 (2009) o946–; doi:10.1107/S1600536809011672

data_2221826
_publ_section_title
;
 1,5-Bis(4-nitrophenoxy)pentane
;
_journal_coeditor_code           TK2408
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o946
_journal_paper_doi               10.1107/S1600536809011672
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C17 H18 N2 O6'
_chemical_formula_moiety         'C17 H18 N2 O6'
_chemical_formula_sum            'C17 H18 N2 O6'
_chemical_formula_weight         346.33
_chemical_name_systematic
;
1,5-Bis(4-nitrophenoxy)pentane
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                95.603(7)
_cell_angle_beta                 105.718(6)
_cell_angle_gamma                110.572(6)
_cell_formula_units_Z            4
_cell_length_a                   10.6032(8)
_cell_length_b                   10.7227(9)
_cell_length_c                   16.3124(14)
_cell_measurement_reflns_used    22239
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.8
_cell_measurement_theta_min      3.6
_cell_volume                     1632.7(3)
_computing_cell_refinement       'X-AREA (Stoe & Cie, 2001)'
_computing_data_collection       'X-AREA (Stoe & Cie, 2001)'
_computing_data_reduction        'X-AREA (Stoe & Cie, 2001)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Stoe IPDSII two-circle'
_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  0.056
_diffrn_reflns_av_sigmaI/netI    0.040
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            27840
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.7
_diffrn_reflns_theta_min         3.6
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.409
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.27
_refine_diff_density_min         -0.20
_refine_ls_extinction_coef       0.0093(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   0.95
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         6109
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.95
_refine_ls_R_factor_all          0.063
_refine_ls_R_factor_gt           0.040
_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^)+(0.0621P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.093
_refine_ls_wR_factor_ref         0.101
_reflns_number_gt                4466
_reflns_number_total             6109
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            tk2408.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
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        1632.7(2)
_cod_database_code               2221826
_cod_database_fobs_code          2221826