2,2'-(Biphenyl-2,2'-diyldioxy)diacetohydrazide
Ibad, Farooq; Mustafa, Asra; Shah, Muhammad Raza; VanDerveer, Donald; Acta Crystallographica Section E 64 (2008) o1130–o1131; doi:10.1107/S1600536808014864

data_2218499
_publ_section_title
;
 2,2'-(Biphenyl-2,2'-diyldioxy)diacetohydrazide
;
_journal_coeditor_code           PV2081
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1130
_journal_page_last               o1131
_journal_paper_doi               10.1107/S1600536808014864
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          'C16 H18 N4 O4'
_chemical_formula_moiety         'C16 H18 N4 O4'
_chemical_formula_sum            'C16 H18 N4 O4'
_chemical_formula_weight         330.34
_chemical_name_systematic
;
2,2'-(Biphenyl-2,2'-diyldioxy)diacetohydrazide
;
_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                99.27(3)
_cell_angle_beta                 92.50(3)
_cell_angle_gamma                113.85(3)
_cell_formula_units_Z            2
_cell_length_a                   8.4041(17)
_cell_length_b                   9.7148(19)
_cell_length_c                   10.465(2)
_cell_measurement_reflns_used    2518
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      26.3626
_cell_measurement_theta_min      2.6694
_cell_volume                     765.6(3)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC, 2006)'
_computing_data_collection       'CrystalClear (Rigaku/MSC, 2006)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC, 2006)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device
;
Rigaku Mercury CCD
;
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0088
_diffrn_reflns_av_sigmaI/netI    0.0120
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5673
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         1.99
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.977
_exptl_absorpt_correction_T_min  0.968
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(REQAB; Jacobson, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chip
_exptl_crystal_F_000             348
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.199
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.05
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         2695
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.05
_refine_ls_R_factor_all          0.040
_refine_ls_R_factor_gt           0.036
_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^)+(0.0447P)^2^+0.3477P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.089
_refine_ls_wR_factor_ref         0.092
_reflns_number_gt                2440
_reflns_number_total             2695
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            pv2081.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        765.7(3)
_cod_database_code               2218499
_cod_database_fobs_code          2218499