3,3'-[(1<i>E</i>,1'<i>E</i>)-Hydrazine-1,2-diylidenebis(ethan-1-yl-1-ylidene)]bis(4-hydroxy-6-methyl-2<i>H</i>-pyran-2-one)
El Alami, Abouelhaoul; Hamid, Sdassi; El Kihel, Abdellatif; Saadi, Mohamed; El Ammari, Lahcen; IUCrData 4 (2019) x191348–; doi:10.1107/S2414314619013488

data_1552370
_publ_section_title
;
 3,3'-[(1<i>E</i>,1'<i>E</i>)-Hydrazine-1,2-diylidenebis(ethan-1-yl-1-ylidene)]bis(4-hydroxy-6-methyl-2<i>H</i>-pyran-2-one)
;
_journal_coeditor_code           SJ4210
_journal_issue                   10
_journal_name_full               IUCrData
_journal_page_first              x191348
_journal_paper_doi               10.1107/S2414314619013488
_journal_volume                  4
_journal_year                    2019
_chemical_formula_iupac          'C16 H16 N2 O6'
_chemical_formula_moiety         'C16 H16 N2 O6'
_chemical_formula_sum            'C16 H16 N2 O6'
_chemical_formula_weight         332.31
_chemical_name_systematic
3,3'-[(1<i>E</i>,1'<i>E</i>)-Hydrazine-1,2-diylidenebis(ethan-1-yl-1-ylidene)]bis(4-hydroxy-6-methyl-2<i>H</i>-pyran-2-one)
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 110.642(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   27.797(3)
_cell_length_b                   3.9750(4)
_cell_length_c                   14.4569(15)
_cell_measurement_reflns_used    1626
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.093
_cell_measurement_theta_min      3.013
_cell_volume                     1494.8(3)
_computing_cell_refinement
;
SAINT (Bruker, 2016)
;
_computing_data_collection
;
APEX3 (Bruker, 2016)
;
_computing_data_reduction
;
SAINT (Bruker, 2016)
;
_computing_molecular_graphics
;
WinGX and ORTEP-3 for Windows (Farrugia, 2012)
;
_computing_publication_material
;
Mercury (Macrae <i>et al.</i>, 2008) and publCIF (Westrip, 2010)
;
_computing_structure_refinement
;
SHELXL2018 (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXTL2014 (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      296(2)
_diffrn_detector                 'PHOTON100 CMOS area-detector'
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 VENTURE Super DUO'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'HELIOS mirror optics'
_diffrn_radiation_source         'INCOATEC I\mS micro-focus source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0427
_diffrn_reflns_av_unetI/netI     0.0215
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15395
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.097
_diffrn_reflns_theta_min         3.011
_exptl_absorpt_coefficient_mu    0.115
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6776
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Krause <i>et al.</i>,  2015)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.477
_exptl_crystal_description       Block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.328
_refine_diff_density_min         -0.231
_refine_ls_extinction_coef       0.009(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL-2018/3 (Sheldrick, 2015b)
;
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         1627
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0696
_refine_ls_R_factor_gt           0.0504
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0725P)^2^+1.6983P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1351
_refine_ls_wR_factor_ref         0.1482
_reflns_number_gt                1221
_reflns_number_total             1627
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            sj4210sup1.cif
_cod_data_source_block           I
_cod_database_code               1552370
_cod_database_fobs_code          1552370
_shelx_hkl_checksum              8315
_shelx_res_checksum              5820