#------------------------------------------------------------------------------
#$Date: 2018-01-26 09:01:03 +0200 (Fri, 26 Jan 2018) $
#$Revision: 205690 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/23/00/7230043.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7230043
loop_
_publ_author_name
'Silva, Raí G. M.'
'da Silva, Michael J. V.'
'Jacomini, Andrey P.'
'Moura, Sidnei'
'Back, Davi F.'
'Basso, Ernani A.'
'Rosa, Fernanda A.'
_publ_section_title
;
 Development of methodologies for the regioselective synthesis of four
 series of regioisomer isoxazoles from β-enamino diketones
;
_journal_issue                   9
_journal_name_full               'RSC Advances'
_journal_page_first              4773
_journal_paper_doi               10.1039/C7RA13343J
_journal_volume                  8
_journal_year                    2018
_chemical_formula_moiety         'C13 H10 N2 O6'
_chemical_formula_sum            'C13 H10 N2 O6'
_chemical_formula_weight         290.23
_chemical_melting_point          ?
_chemical_name_common
'ethyl 2-(5-(4-nitrophenyl)isoxazol-4-yl)-2-ox'
_chemical_name_systematic
;
        ethyl 2-(5-(4-nitrophenyl)isoxazol-4-yl)-2-oxoacetate
;
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2016-02-26T09:53:11-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2017-12-06 deposited with the CCDC.
2018-01-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.635(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.6326(13)
_cell_length_b                   14.5578(13)
_cell_length_c                   7.3585(7)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      24.84
_cell_measurement_theta_min      2.918
_cell_volume                     1296.6(2)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker Instrument Service v4.2.7'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Diamond (version 3.2i; Crystal Impact G'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8 Quest Photon 100 diffractometer'
_diffrn_measurement_method       '2° φ & ω scans'
_diffrn_radiation_monochromator  'Montel type 2-dim beam shaping X ray optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0405
_diffrn_reflns_av_unetI/netI     0.0159
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            87599
_diffrn_reflns_theta_full        30.58
_diffrn_reflns_theta_max         30.58
_diffrn_reflns_theta_min         2.19
_diffrn_source                   'micro-focus tube'
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.12
_exptl_absorpt_correction_T_max  0.9887
_exptl_absorpt_correction_T_min  0.9666
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS (version 2012/1; Bruker, 2012) was used to perform the numerical
        absorption correction based on the indexed faces of the crystal.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.487
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.343
_refine_diff_density_min         -0.27
_refine_diff_density_rms         0.042
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.974
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3988
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.0777
_refine_ls_R_factor_gt           0.0563
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0964P)²+0.4367P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1607
_refine_ls_wR_factor_ref         0.1774
_reflns_number_gt                2971
_reflns_number_total             3988
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ra13343j2.cif
_cod_data_source_block           p21c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'none' was changed to '?' - the value
is undefined or not given.

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7230043
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
O1 O 0.34502(10) 0.51702(9) 0.25844(16) 0.0510(3) Uani 1 1 d .
O43 O 0.69463(10) 0.78833(9) 0.5020(2) 0.0586(4) Uani 1 1 d .
O41 O 0.50967(11) 0.74539(9) 0.5829(2) 0.0589(4) Uani 1 1 d .
O42 O 0.71555(11) 0.63897(9) 0.4504(2) 0.0597(4) Uani 1 1 d .
N2 N 0.42424(13) 0.50657(11) 0.1570(2) 0.0534(4) Uani 1 1 d .
C4 C 0.47912(12) 0.61585(9) 0.38300(19) 0.0356(3) Uani 1 1 d .
C41 C 0.54340(12) 0.69231(10) 0.4862(2) 0.0380(3) Uani 1 1 d .
C42 C 0.66189(12) 0.70282(11) 0.4735(2) 0.0404(3) Uani 1 1 d .
C5 C 0.37914(12) 0.58282(10) 0.39092(19) 0.0380(3) Uani 1 1 d .
O541 O 0.11513(17) 0.67235(16) 0.9859(3) 0.0972(6) Uani 1 1 d .
C3 C 0.50124(14) 0.56463(10) 0.2325(2) 0.0424(3) Uani 1 1 d .
H3 H 0.5644 0.5723 0.1932 0.051 Uiso 1 1 calc R
C51 C 0.30289(12) 0.60068(10) 0.5044(2) 0.0392(3) Uani 1 1 d .
C53 C 0.26787(14) 0.64804(12) 0.7951(2) 0.0472(4) Uani 1 1 d .
H53 H 0.2925 0.6704 0.9185 0.057 Uiso 1 1 calc R
C52 C 0.34092(13) 0.63346(11) 0.6892(2) 0.0435(3) Uani 1 1 d .
H52 H 0.4157 0.6456 0.7419 0.052 Uiso 1 1 calc R
C54 C 0.15785(14) 0.62862(12) 0.7131(3) 0.0488(4) Uani 1 1 d .
C56 C 0.19126(14) 0.58108(14) 0.4267(3) 0.0544(4) Uani 1 1 d .
H56 H 0.1659 0.5582 0.3039 0.065 Uiso 1 1 calc R
C55 C 0.11804(15) 0.59566(15) 0.5318(3) 0.0597(5) Uani 1 1 d .
H55 H 0.0432 0.5833 0.4806 0.072 Uiso 1 1 calc R
C44 C 0.80710(16) 0.80893(17) 0.4988(4) 0.0715(6) Uani 1 1 d .
H44A H 0.8093 0.8165 0.369 0.086 Uiso 1 1 calc R
H44B H 0.856 0.7588 0.5555 0.086 Uiso 1 1 calc R
C45 C 0.84309(17) 0.89357(17) 0.6056(3) 0.0702(6) Uani 1 1 d .
H45A H 0.9172 0.9078 0.6051 0.105 Uiso 1 1 calc R
H45B H 0.8408 0.8855 0.7339 0.105 Uiso 1 1 calc R
H45C H 0.7948 0.943 0.5478 0.105 Uiso 1 1 calc R
N451 N 0.08027(15) 0.64200(14) 0.8255(3) 0.0691(5) Uani 1 1 d .
O542 O -0.01560(15) 0.6192(2) 0.7544(3) 0.1268(10) Uani 1 1 d .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C5 O1 N2 109.25(12)
C42 O43 C44 117.20(15)
C3 N2 O1 105.20(12)
C5 C4 C3 103.75(13)
C5 C4 C41 129.04(13)
C3 C4 C41 126.86(13)
O41 C41 C4 123.92(14)
O41 C41 C42 119.15(13)
C4 C41 C42 116.90(12)
O42 C42 O43 126.75(15)
O42 C42 C41 122.42(14)
O43 C42 C41 110.73(13)
O1 C5 C4 109.10(13)
O1 C5 C51 114.32(13)
C4 C5 C51 136.58(13)
N2 C3 C4 112.69(15)
C56 C51 C52 119.89(14)
C56 C51 C5 118.87(14)
C52 C51 C5 121.20(13)
C54 C53 C52 118.29(15)
C53 C52 C51 120.25(15)
C55 C54 C53 122.81(16)
C55 C54 N451 118.54(17)
C53 C54 N451 118.65(17)
C55 C56 C51 120.03(16)
C54 C55 C56 118.74(16)
O43 C44 C45 108.60(17)
O542 N451 O541 123.6(2)
O542 N451 C54 117.6(2)
O541 N451 C54 118.72(19)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C5 1.3466(18)
O1 N2 1.4177(19)
O43 C42 1.310(2)
O43 C44 1.459(2)
O41 C41 1.2078(18)
O42 C42 1.1908(19)
N2 C3 1.288(2)
C4 C5 1.368(2)
C4 C3 1.428(2)
C4 C41 1.457(2)
C41 C42 1.534(2)
C5 C51 1.467(2)
O541 N451 1.218(3)
C51 C56 1.391(2)
C51 C52 1.391(2)
C53 C54 1.377(2)
C53 C52 1.384(2)
C54 C55 1.370(3)
C54 N451 1.465(2)
C56 C55 1.382(3)
C44 C45 1.462(3)
N451 O542 1.220(3)
