Supramolecular isomerism in multivalent metal-templated assemblies with topochemical influence in the regioselective synthesis of tetrakis(2-pyridyl)cyclobutane isomers.
Briceño, Alexander; Leal, Dayana; Atencio, Reinaldo; Díaz de Delgado, Graciela; Chemical communications (Cambridge, England)  (2006) 3534–3536; doi:10.1039/b606673a

data_7113336
_publ_section_title
;
 Supramolecular isomerism in multivalent metal-templated assemblies with
 topochemical influence in the regioselective synthesis of
 tetrakis(2-pyridyl)cyclobutane isomers.
;
_journal_issue                   33
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3534
_journal_page_last               3536
_journal_paper_doi               10.1039/b606673a
_journal_year                    2006
_chemical_compound_source        Synthesis
_chemical_formula_moiety         '4(C12 H10 N2), C2 H8 Mn N2 O4 S2'
_chemical_formula_sum            'C50 H48 Mn N10 O4 S2'
_chemical_formula_weight         972.04
_chemical_name_systematic
;
?
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 110.314(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.3756(18)
_cell_length_b                   12.0960(14)
_cell_length_c                   16.498(2)
_cell_measurement_reflns_used    3419
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.01
_cell_measurement_theta_min      2.14
_cell_volume                     2503.2(5)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_molecular_graphics
;
SHELXLTL-NT V5.1 (Bruker AXS, 1998) and DIAMOND
(Brandenburg, 1998)
;
_computing_publication_material
;
SHELXLTL-NT V5.1 (Bruker AXS, 1998) and PLATON (Spek, 2003).
;
_computing_structure_refinement  'SHELXLTL-NT V5.1 (Bruker AXS, 1998)'
_computing_structure_solution    'SHELXLTL-NT V5.1 (Bruker AXS, 1998)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 14.6306
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.844
_diffrn_measurement_device
;
Mercury (2x2 bin mode)
;
_diffrn_measurement_device_type  'Rigaku AFC7S Mercury'
_diffrn_measurement_method       '\w '
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            28180
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.01
_diffrn_reflns_theta_min         2.14
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.401
_exptl_absorpt_correction_T_max  0.912
_exptl_absorpt_correction_T_min  0.820
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1014
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         5108
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0995
_refine_ls_R_factor_gt           0.0670
_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^)+(0.0786P)^2^+1.2455P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1635
_refine_ls_wR_factor_ref         0.1817
_reflns_number_gt                3663
_reflns_number_total             5108
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b606673a.txt
_cod_data_source_block           shelxl_compound_1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        2503.2(6)
_cod_original_sg_symbol_H-M      P2/n
_cod_database_code               7113336