(3<i>R</i>,4<i>S</i>)-3-Phenyl-1-[(<i>R</i>)-1-phenylethyl]-4-[(<i>R</i>)-1-phenylethyliminomethyl]azetidin-2-one
Kooijman, Huub; Spek, Anthony L.; Kleijn, Henk; Maanen, Hendrik L. van; Jastrzebski, Johann T. B. H.; Koten, Gerard van; Acta Crystallographica Section C 56 (2000) 481–483; doi:10.1107/S0108270100000767

data_2010829
_publ_section_title
(3<i>R</i>,4<i>S</i>)-3-Phenyl-1-[(<i>R</i>)-1-phenylethyl]-4-[(<i>R</i>)-1-phenylethyliminomethyl]azetidin-2-one
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              481
_journal_page_last               483
_journal_paper_doi               10.1107/S0108270100000767
_journal_volume                  56
_journal_year                    2000
_chemical_formula_moiety         'C26 H26 N2 O'
_chemical_formula_sum            'C26 H26 N2 O'
_chemical_formula_weight         382.49
_chemical_melting_point          360
_chemical_name_systematic
;
(3R,4S)-3-Phenyl-1-[(R)-1-phenylethyl]-4-[(R)-1-phenylethyliminomethyl]azet
idin-2-one
;
_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'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4958(10)
_cell_length_b                   10.1947(8)
_cell_length_c                   22.124(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293
_cell_measurement_theta_max      13.98
_cell_measurement_theta_min      11.48
_cell_volume                     2141.8(3)
_computing_cell_refinement       'SET4 (de Boer & Duisenberg, 1984)'
_computing_data_collection
'locally modified CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'HELENA (Spek, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 1999)'
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL97-2 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1985)'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 1.0
_diffrn_measured_fraction_theta_max 1.0
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4T'
_diffrn_measurement_method       '\w/2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .027
_diffrn_reflns_av_sigmaI/netI    .033
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            5566
_diffrn_reflns_reduction_process
;
 ?
;
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         1.84
_diffrn_standards_decay_%        1
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .072
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          .4
_exptl_crystal_size_mid          .4
_exptl_crystal_size_min          .2
_refine_diff_density_max         .169
_refine_diff_density_min         -.164
_refine_ls_abs_structure_details 'see text'
_refine_ls_extinction_coef       .0114(16)
_refine_ls_extinction_method     'SHELXL97-2 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         2783
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          .064
_refine_ls_R_factor_gt           .040
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(F~o~^2^)+(0.0551P)^2^+0.1317P] where P=(F~o~^2^+2F~c~^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .106
_reflns_number_gt                2033
_reflns_number_total             2783
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ln1096.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        2141.7(3)
_cod_database_code               2010829
_cod_database_fobs_code          2010829