Synthesis and Control of Single Layer and Polar 2-D Layered Architectures in a Series of Organic Layered Solids
Ugono, Onome; Rath, Nigam P.; Beatty, Alica M.; Crystal Growth & Design 9 (2009) 4595–; doi:10.1021/cg900908n

data_4509794
_publ_section_title
;
 Synthesis and Control of Single Layer and Polar 2-D Layered Architectures
 in a Series of Organic Layered Solids
;
_journal_issue                   11
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4595
_journal_paper_doi               10.1021/cg900908n
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         '    C12 H12 N O, C5 H3 N2 O4'
_chemical_formula_sum            'C17 H15 N3 O5'
_chemical_formula_weight         341.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 101.766(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   24.7179(15)
_cell_length_b                   15.4064(11)
_cell_length_c                   12.8407(9)
_cell_measurement_reflns_used    8387
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.06
_cell_measurement_theta_min      2.64
_cell_volume                     4787.2(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0573
_diffrn_reflns_av_sigmaI/netI    0.0566
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            52607
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.43
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.9893
_exptl_absorpt_correction_T_min  0.9649
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs v2008/1'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2136
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     682
_refine_ls_number_reflns         8605
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0878
_refine_ls_R_factor_gt           0.0461
_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^)+(0.0605P)^2^+1.6735P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1243
_reflns_number_gt                5765
_reflns_number_total             8605
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg900908nsup1.cif
_cod_data_source_block           compound1
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'no' 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      P2~1~/c
_cod_database_code               4509794