(3<i>R</i>,4<i>S</i>)-<i>cis</i>-3-Acetoxy-1-(4-methoxyphenyl)-4-(2-furanyl)azetidin-2-one
Anand, Naveen; Koul, Surrinder; Taneja, Subhash C.; Qazi, Ghulam N.; Spiteller, Michael; Sheldrick, William S.; van Almsick, Tobias; Acta Crystallographica Section E 60 (2004) o1215–o1216; doi:10.1107/S1600536804014540

data_2203859
_publ_section_title
(3<i>R</i>,4<i>S</i>)-<i>cis</i>-3-Acetoxy-1-(4-methoxyphenyl)-4-(2-furanyl)azetidin-2-one
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1215
_journal_page_last               o1216
_journal_paper_doi               10.1107/S1600536804014540
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C16 H15 N O5'
_chemical_formula_moiety         'C16 H15 N O5'
_chemical_formula_sum            'C16 H15 N O5'
_chemical_formula_weight         301.29
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 96.00(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.459(3)
_cell_length_b                   8.011(3)
_cell_length_c                   17.205(5)
_cell_measurement_reflns_used    15
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      7.5
_cell_volume                     748.3(5)
_computing_cell_refinement       'R3m/V User's Guide'
_computing_data_collection       'R3m/V User's Guide (Siemens, 1989)'
_computing_data_reduction        'XDISK in R3m/V User's Guide'
_computing_molecular_graphics    'SHELXTL-PLUS (Sheldrick, 1995)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Siemens P4 4-circle'
_diffrn_measurement_method       'Profile fitted \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  0.0231
_diffrn_reflns_av_sigmaI/netI    0.0171
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            2019
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.38
_diffrn_standards_decay_%        2
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.96230
_exptl_absorpt_correction_T_min  0.93007
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
(XPREP in SHELXTL-Plus; Sheldrick, 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             316
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.51
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.174
_refine_ls_extinction_coef       0.025(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         1833
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0446
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0627P)^2^+0.0621P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1046
_reflns_number_gt                1592
_reflns_number_total             1833
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6472.cif
_cod_data_source_block           I
_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_enum 1527 2010-12-29 10:47:43Z saulius 

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      'P 21'
_cod_database_code               2203859
_cod_database_fobs_code          2203859