Cooperativity in Solid-State Squaramides
Prohens, Rafel; Portell, Anna; Puigjaner, Cristina; Tomàs, Salvador; Fujii, Kotaro; Harris, Kenneth D. M.; Alcobé, Xavier; Font-Bardia, Mercè; Barbas, Rafael; Crystal Growth & Design 11 (2011) 3725–; doi:10.1021/cg200772e

data_4501134
_publ_section_title
;
 Cooperativity in Solid-State Squaramides
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3725
_journal_paper_doi               10.1021/cg200772e
_journal_volume                  11
_journal_year                    2011
_chemical_formula_moiety         'C16 H14 N4 O2'
_chemical_formula_sum            'C16 H14 N4 O2'
_chemical_formula_weight         294.31
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yc'
_symmetry_space_group_name_H-M   'P 1 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                 110.62(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.358(5)
_cell_length_b                   29.45(3)
_cell_length_c                   6.076(5)
_cell_measurement_reflns_used    659
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31
_cell_measurement_theta_min      3
_cell_volume                     729.9(13)
_computing_cell_refinement       AUTOMAR
_computing_data_collection       MARXDS
_computing_data_reduction        MARSCALE
_computing_molecular_graphics    'ORTEP (Brueggermann and Smith, 1990)'
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.698
_diffrn_measured_fraction_theta_max 0.520
_diffrn_measurement_device_type  'MAR345 with image plate detector'
_diffrn_measurement_method       'phi scan'
_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  0.0530
_diffrn_reflns_av_sigmaI/netI    0.0425
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            3800
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         31.86
_diffrn_reflns_theta_min         2.77
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   ?SADABS'SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.142
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -3(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.170
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2185
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.170
_refine_ls_R_factor_all          0.0930
_refine_ls_R_factor_gt           0.0699
_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^)+(0.1157P)^2^+0.0307P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2093
_refine_ls_wR_factor_ref         0.2223
_reflns_number_gt                1555
_reflns_number_total             2185
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200772e_si_002.cif
_cod_data_source_block           annmm100a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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        729.8(12)
_cod_original_sg_symbol_H-M      Pc
_cod_database_code               4501134