Potassium <i>N</i>-(6-amino-3,4-dihydro-3-methyl-5-nitroso-4-oxopyrimidin-2-yl)-(<i>S</i>)-aspartate <i>N</i>-(6-amino-3,4-dihydro-3-methyl-5-nitroso-4-oxopyrimidin-2-yl)-(<i>S</i>)-aspartic acid 4.88-hydrate: a two-dimensional coordination polymer
Cuesta, Rafael; Glidewell, Christopher; López, Rafael; Low, John N.; Acta Crystallographica Section C 59 (2003) m315–m318; doi:10.1107/S0108270103013106

data_2013461
_publ_section_title
;Potassium
 <i>N</i>-(6-amino-3,4-dihydro-3-methyl-5-nitroso-4-oxopyrimidin-2-yl)-(<i>S</i>)-aspartate
 <i>N</i>-(6-amino-3,4-dihydro-3-methyl-5-nitroso-4-oxopyrimidin-2-yl)-(<i>S</i>)-aspartic
 acid 4.88-hydrate: a two-dimensional coordination polymer
;
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              m315
_journal_page_last               m318
_journal_paper_doi               10.1107/S0108270103013106
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac
'K 1+, C9 H10 N5 O6 1-, C9 H11 N5 O6, 4.88H2 O'
_chemical_formula_moiety
'K 1+, C9 H10 N5 O6 1-, C9 H11 N5 O6, 4.88H2 O'
_chemical_formula_sum            'C18 H30.76 K N10 O16.88'
_chemical_formula_weight         696.52
_chemical_name_systematic
;
Potassium N-(6-amino-3,4-dihydro-3-methyl-5-nitroso-
4-oxopyrimidin-2-yl)-(S)-aspartate N-(6-amino-3,4-dihydro-3-methyl-
5-nitroso-4-oxopyrimidin-2-yl)-(S)-aspartic
acid 4.88(hydrate)
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.49860(10)
_cell_length_b                   13.0997(2)
_cell_length_c                   29.5866(6)
_cell_measurement_reflns_used    6543
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      3.05
_cell_volume                     2906.27(8)
_computing_cell_refinement       'DENZO--SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1997)'
_computing_data_reduction        DENZO--SMN
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'NONIUS KappaCCD'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0711
_diffrn_reflns_av_sigmaI/netI    0.0807
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            21931
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         3.05
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.278
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.941
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(DENZO--SMN; Otwinowski & Minor, 1997)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.591
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1451.32
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.658
_refine_diff_density_min         -0.582
_refine_ls_abs_structure_details 'Flack (1983), 2893 Friedel pairs'
_refine_ls_abs_structure_Flack   0.00(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     422
_refine_ls_number_reflns         6543
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0726
_refine_ls_R_factor_gt           0.0518
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0292P)^2^+1.9469P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1036
_refine_ls_wR_factor_ref         0.1144
_reflns_number_gt                5256
_reflns_number_total             6543
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gg1168.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_database_code               2013461
_cod_database_fobs_code          2013461