Weak Ag—Ag and Ag—Pi Interactions in Templating Regio Selective Single and Double [2+2] Reactions of N,N'-bis(3-(4-pyridyl)acryloyl)-hydrazine in the Solid State
Ramkinkar Santra; Kaustuv Banerjee; Kumar Biradha; Chem.Commun. 47 (2011) 10740–; doi:10.1039/c1cc13994k

data_7106871
_publ_section_title
;
 Weak Ag---Ag and Ag---Pi Interactions in Templating Regio Selective
 Single and Double [2+2] Reactions of
 N,N'-bis(3-(4-pyridyl)acryloyl)-hydrazine in the Solid State
;
_journal_name_full               Chem.Commun.
_journal_page_first              10740
_journal_paper_doi               10.1039/c1cc13994k
_journal_volume                  47
_journal_year                    2011
_chemical_formula_sum            'C16 H22 N4 O6'
_chemical_formula_weight         366.38
_chemical_name_systematic        ?
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 95.028(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   3.7791(7)
_cell_length_b                   12.616(2)
_cell_length_c                   17.874(3)
_cell_measurement_reflns_used    1499
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      1.98
_cell_volume                     848.9(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker CCD APEX2'
_diffrn_measurement_method       hemisphere
_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  0.0529
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9932
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.984
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'Light yellow'
_exptl_crystal_density_diffrn    1.433
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             388
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.160
_refine_diff_density_min         -0.158
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.911
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1499
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.911
_refine_ls_R_factor_all          0.0737
_refine_ls_R_factor_gt           0.0465
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1265
_refine_ls_wR_factor_ref         0.1443
_reflns_number_gt                1058
_reflns_number_total             1499
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc13994k.txt
_cod_data_source_block           PAH
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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      P21/n
_cod_database_code               7106871