2-Ethyl-3-hydroxy-1-morpholinopyridin-4(1<i>H</i>)-one
Andreas Decken; David C. Sample; Brock A. Noseworthy; Christopher M. Vogels; Stephen A. Westcott; Acta Crystallographica Section E 59 (2003) o57–o58; doi:10.1107/S1600536802022894

data_2201919
_publ_section_title
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 2-Ethyl-3-hydroxy-1-morpholinopyridin-4(1<i>H</i>)-one
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o57
_journal_page_last               o58
_journal_paper_doi               10.1107/S1600536802022894
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          'C11 H16 N2 O3'
_chemical_formula_moiety         'C11 H16 N2 O3'
_chemical_formula_sum            'C11 H16 N2 O3'
_chemical_formula_weight         224.26
_chemical_melting_point          532.1(10)
_chemical_name_systematic
;
2-Ethyl-3-hydroxy-1-morpholinepyridin-4(1H)-one
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                64.020(3)
_cell_angle_beta                 63.198(2)
_cell_angle_gamma                66.178(2)
_cell_formula_units_Z            2
_cell_length_a                   8.4379(8)
_cell_length_b                   8.9209(9)
_cell_length_c                   9.3312(12)
_cell_measurement_reflns_used    3224
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      33.067
_cell_measurement_theta_min      2.575
_cell_volume                     544.62(10)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1997-1999)'
_computing_data_reduction        'SHELXTL (Sheldrick, 1997)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0123
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6121
_diffrn_reflns_theta_full        32.50
_diffrn_reflns_theta_max         32.50
_diffrn_reflns_theta_min         2.58
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.368
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Irregular
_exptl_crystal_F_000             240
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.490
_refine_diff_density_min         -0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.900
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3838
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.900
_refine_ls_R_factor_all          0.0653
_refine_ls_R_factor_gt           0.0434
_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^)+(0.0687P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1072
_refine_ls_wR_factor_ref         0.1126
_reflns_number_gt                2543
_reflns_number_total             3838
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cv6160.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_chemical_melting_point' value '258-260\%C' was changed to
'532.1(10)' - it was converted from degrees Celsius(C) to Kelvins(K),
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '258-260\%C' was changed to
'532.1(10)' - it was converted from degrees Celsius(C) to Kelvins(K),
the average value was taken and precision was
estimated.

'_symmetry_cell_setting' value 'Triclinic' changed to
'triclinic' 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               2201919