The syntheses and structures of Group 1 expanded dipyrrolides: the formation of a 12-rung amidolithium circular ladder
Jason Love; Alexander J. Blake; Peter B. Hitchcock; Andrew Novak; Stuart D. Reid; Claire Wilson; Chemical communications (Cambridge, England)  (2003) –; doi:10.1039/b303611a

data_7103755
_publ_section_title
;
The syntheses and structures of Group 1 expanded
dipyrrolides: the formation of a 12-rung amidolithium circular ladder
;
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_paper_doi               10.1039/b303611a
_journal_year                    2003
_chemical_formula_sum            'C39 H50 K2 N4 O2'
_chemical_formula_weight         685.03
_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   'difference Fourier'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.086(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.773(3)
_cell_length_b                   10.194(2)
_cell_length_c                   13.787(3)
_cell_measurement_reflns_used    2080
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      19.8
_cell_measurement_theta_min      2.5
_cell_volume                     1877.5(7)
_computing_cell_refinement       'Bruker SAINT version 6.02a (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.624 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 1997)'
_computing_publication_material  'SHELXL-97; PLATON (Spek, 2002)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.964
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker SMART1000 CCD area detector'
_diffrn_measurement_method       omega
_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  0.083
_diffrn_reflns_av_sigmaI/netI    0.1274
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            16994
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.87
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.290
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.741
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2.03'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             732
_exptl_crystal_size_max          1.01
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.479
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(6)
_refine_ls_extinction_coef       0.0028(12)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     403
_refine_ls_number_reflns         7979
_refine_ls_number_restraints     58
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.1148
_refine_ls_R_factor_gt           0.0689
_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^)+(0.0000P)^2^+1.8587P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1429
_refine_ls_wR_factor_ref         0.1672
_reflns_number_gt                5443
_reflns_number_total             7990
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b303611a.txt
_cod_data_source_block           dippyr
_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:

'_atom_sites_solution_primary' value 'direct methods' was changed to
'direct'.

'_atom_sites_solution_hydrogens' value 'geometrically placed' was
changed to 'geom'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7103755