Hydrogels formed from Fmoc amino acids
Draper, Emily R.; Morris, Kyle L.; Little, Marc A.; Raeburn, Jaclyn; Colquhoun, Catherine; Cross, Emily R.; McDonald, Tom. O.; Serpell, Louise C.; Adams, Dave J.; CrystEngComm 17 (2015) 8047–; doi:10.1039/C5CE00801H

data_7220753
_publ_section_title
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 Hydrogels formed from Fmoc amino acids
;
_journal_issue                   42
_journal_name_full               CrystEngComm
_journal_page_first              8047
_journal_paper_doi               10.1039/C5CE00801H
_journal_volume                  17
_journal_year                    2015
_chemical_absolute_configuration L
_chemical_formula_moiety         'C24 H21 N O4'
_chemical_formula_sum            'C24 H21 N O4'
_chemical_formula_weight         387.42
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2015-05-19
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2015-05-28 deposited with the CCDC.
2015-06-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.135(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.1570(13)
_cell_length_b                   4.9083(4)
_cell_length_c                   16.1242(16)
_cell_measurement_reflns_used    1360
_cell_measurement_temperature    100
_cell_measurement_theta_max      24.564
_cell_measurement_theta_min      2.557
_cell_volume                     957.54(16)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)
;
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku Saturn724+'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       'AFC12 (Right): Kappa 3 circle'
_diffrn_measurement_device_type  Rigaku_AFC12K_724P_007HF_Mo
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'Mitegen 50um'
_diffrn_radiation_collimation    0.3
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0595
_diffrn_reflns_av_unetI/netI     0.0696
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13345
_diffrn_reflns_point_group_measured_fraction_full 0.958
_diffrn_reflns_point_group_measured_fraction_max 0.943
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.420
_diffrn_reflns_theta_min         1.373
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           24.0
_diffrn_source_power             1.2
_diffrn_source_target            Mo
_diffrn_source_type              'Rotating Anode'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.5562
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1111 before and 0.0623 after correction.
The Ratio of minimum to maximum transmission is 0.7462.
The \l/2 correction factor is 0.0000.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_description       needle
_exptl_crystal_F_000             408
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.157
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Flack x determined using 947 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -1.4(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         3717
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0723
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0517P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0932
_refine_ls_wR_factor_ref         0.1027
_reflns_Friedel_coverage         0.697
_reflns_Friedel_fraction_full    0.910
_reflns_Friedel_fraction_max     0.883
_reflns_number_gt                2762
_reflns_number_total             3717
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ce00801h1.cif
_cod_data_source_block           FmocF_100K_P21
_cod_depositor_comments
'Adding full bibliography for 7220753--7220755.cif.'
_cod_database_code               7220753
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.997
_shelx_estimated_absorpt_t_min   0.985
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All O(H) groups
2.a Idealised tetrahedral OH refined as rotating group:
 O3(H3)
;
_shelx_res_checksum              34341
_olex2_submission_special_instructions 'No special instructions were received'