Side-chain control of porosity closure in single- and multiple-peptide-based porous materials by cooperative folding
C. Marti-Gastaldo; D. Antypov; J. E. Warren; M. E. Briggs; P. A. Chater; P. V. Wiper; G. J. Miller; Y. Z. Khimyak; G. R. Darling; N. G. Berry; M. J. Rosseinsky; Nature Chemistry 6 (2014) 343–351; doi:10.1038/nchem.1871

data_1552062
_publ_section_title
;
 Side-chain control of porosity closure in single- and
 multiple-peptide-based porous materials by cooperative folding
;
_journal_name_full               'Nature Chemistry'
_journal_page_first              343
_journal_page_last               351
_journal_paper_doi               10.1038/nchem.1871
_journal_volume                  6
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         '0.5(C20.85 H37.7 N8 O16 Zn2)'
_chemical_formula_sum            'C10.42 H18.85 N4 O8 Zn'
_chemical_formula_weight         393.61
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.151(12)
_cell_length_b                   14.586(16)
_cell_length_c                   4.837(5)
_cell_measurement_reflns_used    1029
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      19.997
_cell_measurement_theta_min      2.707
_cell_volume                     786.7(15)
_computing_cell_refinement
;
Rigaku CrystalClear-SM Expert 2.0 r5 (Rigaku, 2009)
;
_computing_data_collection
;
Rigaku CrystalClear-SM Expert 2.0 r5 (Rigaku, 2009)
;
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELXL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
olex2.solve (L.J. Bourhis, O.V. Dolomanov, R.J. Gildea, J.A.K. Howard,
H. Puschmann, in preparation, 2011)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 0.0350
_diffrn_detector_type            'Rigaku Saturn724+'
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device       ' 'CrystalLogic Kappa (4 circle)'
_diffrn_measurement_device_type  'Kappa Rigaku Saturn724+'
_diffrn_measurement_method       'omega rotation'
_diffrn_radiation_collimation    '0.3 x 1.5 Double Pinhole'
_diffrn_radiation_monochromator  Synchrotron
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.688900
_diffrn_reflns_av_R_equivalents  0.1443
_diffrn_reflns_av_unetI/netI     0.1185
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            4936
_diffrn_reflns_theta_full        22.61
_diffrn_reflns_theta_max         22.61
_diffrn_reflns_theta_min         2.23
_diffrn_source                   Synchrotron
_diffrn_source_type              'Undulator, I19, DLS, RAL'
_exptl_absorpt_coefficient_mu    1.609
_exptl_absorpt_correction_T_max  0.7448
_exptl_absorpt_correction_T_min  0.3206
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.1735 before and 0.1234 after correction.
The Ratio of minimum to maximum transmission is 0.4305.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'dull light colourless'
_exptl_crystal_colour_lustre     dull
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.662
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             407
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.501
_refine_diff_density_min         -1.549
_refine_diff_density_rms         0.177
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     124
_refine_ls_number_reflns         1140
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.1120
_refine_ls_R_factor_gt           0.0901
_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^)+(0.1478P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2135
_refine_ls_wR_factor_ref         0.2303
_reflns_number_gt                878
_reflns_number_total             1140
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            nchem.1871-s7.cif
_cod_data_source_block           sntmjr0981post
_cod_original_cell_volume        786.7(14)
_cod_database_code               1552062