Exceptions to the rule: new hydrogen-bonded networks from an old reliable
Ugono, Onome; Rath, Nigam P.; Beatty, Alicia M.; CrystEngComm 13 (2011) 753–; doi:10.1039/c0ce00621a

data_7206364
_publ_section_title
;
 Exceptions to the rule: new hydrogen-bonded networks from an old
 reliable
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              753
_journal_paper_doi               10.1039/c0ce00621a
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C6 H18 N2, 2(C5 H3 N2 O4)'
_chemical_formula_sum            'C16 H24 N6 O8'
_chemical_formula_weight         428.41
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 92.992(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.7326(6)
_cell_length_b                   13.6932(6)
_cell_length_c                   8.1323(4)
_cell_measurement_reflns_used    6504
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.88
_cell_measurement_theta_min      3.11
_cell_volume                     1860.76(14)
_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 0.998
_diffrn_measured_fraction_theta_max 0.983
_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  0.0361
_diffrn_reflns_av_sigmaI/netI    0.0370
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            16954
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.25
_diffrn_reflns_theta_min         1.92
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.9891
_exptl_absorpt_correction_T_min  0.9784
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs v2008/1'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.529
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.285
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         2493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0578
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0437P)^2^+1.1419P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                1921
_reflns_number_total             2493
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00621a.txt
_cod_data_source_block           Compound-6
_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_sg_symbol_H-M      C2/c
_cod_database_code               7206364