1,4-Bis{2-hydroxy-3-[<i>N</i>-(2-hydroxyethyl)imino]-5-methylbenzyl}piperazine
M. Yogavel; S. Selvanayagam; D. Velmurugan; S. Shanmuga Sundara Raj; Hoong-Kun Fun; M. Marappan; M. Kandaswamy; Acta Crystallographica Section E 59 (2003) o83–o85; doi:10.1107/S1600536802022560

data_2202006
_publ_section_title
1,4-Bis{2-hydroxy-3-[<i>N</i>-(2-hydroxyethyl)imino]-5-methylbenzyl}piperazine
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o83
_journal_page_last               o85
_journal_paper_doi               10.1107/S1600536802022560
_journal_volume                  59
_journal_year                    2003
_chemical_formula_moiety         'C26 H36 N4 O4'
_chemical_formula_sum            'C26 H36 N4 O4'
_chemical_formula_weight         468.62
_chemical_name_systematic
;
1,4-Bis{2-hydroxy-3-[N-(2-hydroxyethyl)imino]-5-methylbenzyl}piperazine
;
_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                 99.9640(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7575(2)
_cell_length_b                   13.8091(3)
_cell_length_c                   18.42700(10)
_cell_measurement_reflns_used    6435
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.57
_cell_measurement_theta_min      1.94
_cell_volume                     2445.45(7)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997) and PLATON (Spek, 2002)
;
_computing_publication_material  'SHELXL97 and PARST (Nardelli, 1995)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Siemens SMART CCD area-detector'
_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  0.0431
_diffrn_reflns_av_sigmaI/netI    0.0534
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            17219
_diffrn_reflns_theta_full        28.66
_diffrn_reflns_theta_max         28.66
_diffrn_reflns_theta_min         1.85
_diffrn_standards_decay_%        none
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.212
_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     311
_refine_ls_number_reflns         6219
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.1074
_refine_ls_R_factor_gt           0.0595
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.1P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1627
_refine_ls_wR_factor_ref         0.1904
_reflns_number_gt                3721
_reflns_number_total             6219
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh6022.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2202006
_cod_database_fobs_code          2202006