Bis{[1-(<i>tert</i>-butoxycarbonyl)pyrrolidin-2-yl]methyl} carbonate
Jing, Lin-Hai; Acta Crystallographica Section E 65 (2009) o2610–; doi:10.1107/S1600536809039452

data_2223683
_publ_section_title
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 Bis{[1-(<i>tert</i>-butoxycarbonyl)pyrrolidin-2-yl]methyl} carbonate
;
_journal_coeditor_code           CI2927
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2610
_journal_paper_doi               10.1107/S1600536809039452
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C21 H36 N2 O7'
_chemical_formula_moiety         'C21 H36 N2 O7'
_chemical_formula_sum            'C21 H36 N2 O7'
_chemical_formula_weight         428.52
_chemical_name_systematic
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Bis{[1-(<i>tert</i>-butoxycarbonyl)pyrrolidin-2-yl]methyl} carbonate
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 100.631(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.995(5)
_cell_length_b                   9.9534(18)
_cell_length_c                   10.531(2)
_cell_measurement_reflns_used    3700
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.10
_cell_volume                     2265.9(8)
_computing_cell_refinement       'RAPID-AUTO (Rigaku, 2004)'
_computing_data_collection       'RAPID-AUTO (Rigaku, 2004)'
_computing_data_reduction        'RAPID-AUTO (Rigaku, 2004)'
_computing_molecular_graphics    'XP in SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku AFC10/Saturn724+'
_diffrn_measurement_method       multi-scan
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9271
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.10
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.33
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.192
_refine_ls_extinction_coef       0.0009(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         2735
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0350
_refine_ls_R_factor_gt           0.0303
_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^)+(0.041P)^2^+0.316P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0714
_refine_ls_wR_factor_ref         0.0734
_reflns_number_gt                2473
_reflns_number_total             2735
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2927.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      'C 2'
_cod_database_code               2223683
_cod_database_fobs_code          2223683