Crystal structure of N,N'-bis(4-methoxy-benzylidene)hydrazine, C~16~H~16~N~2~O~2~
Jin, Jian-Yu; Zhang, Kang; Zhang, Li-Xue; Zhang, An-Jiang; Liu, Yu-Zhen; Zeitschrift für Kristallographie - New Crystal Structures 222 (2007) 391–392; doi:

data_8102191
_publ_section_title
;
Crystal structure of N,N'-bis(4-methoxy-benzylidene)hydrazine, 
C~16~H~16~N~2~O~2~
;
_journal_issue                   4
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              391
_journal_page_last               392
_journal_volume                  222
_journal_year                    2007
_chemical_formula_moiety         'C16 H16 N2 O2'
_chemical_formula_sum            'C16 H16 N2 O2'
_chemical_formula_weight         268.31
_chemical_name_systematic
; 
N,N'-bis-(4-methoxy-benzylidene)-hydrazine
;
_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                109.976(6)
_cell_angle_beta                 93.920(6)
_cell_angle_gamma                111.081(6)
_cell_formula_units_Z            2
_cell_length_a                   8.539(2)
_cell_length_b                   9.230(2)
_cell_length_c                   10.702(3)
_cell_measurement_reflns_used    1284
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      24.16
_cell_measurement_theta_min      2.68
_cell_volume                     721.9(3)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL(Bruker, 2002)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       phi/omega
_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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0619
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3788
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.07
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9909
_exptl_absorpt_correction_T_min  0.9832
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.234
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             284
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.168
_refine_diff_density_min         -0.168
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.256
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2499
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.256
_refine_ls_R_factor_all          0.1090
_refine_ls_R_factor_gt           0.0806
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0565P)^2^+0.2981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1550
_refine_ls_wR_factor_ref         0.1781
_reflns_number_gt                1677
_reflns_number_total             2499
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            1267-2115.cff
_cod_data_source_block           lx26m
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' 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 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_cell_volume        721.8(3)
_cod_database_code               8102191