The delicate balance between gelation and crystallisation: structural and computational investigations
Adams, Dave J.; Morris, Kyle; Chen, Lin; Serpell, Louise C.; Bacsa, John; Day, Graeme M.; Soft Matter 6 (2010) 4144–; doi:10.1039/c0sm00409j

data_1515938
_publ_section_title
;
 The delicate balance between gelation and crystallisation: structural and
 computational investigations
;
_journal_issue                   17
_journal_name_full               'Soft Matter'
_journal_page_first              4144
_journal_paper_doi               10.1039/c0sm00409j
_journal_volume                  6
_journal_year                    2010
_chemical_absolute_configuration rm
_chemical_formula_sum            'C17 H18 N2 O5'
_chemical_formula_weight         330.33
_chemical_name_common            DA201109
_chemical_name_systematic
;
2-[({[(naphthalen-1-yloxy)acetyl]amino}acetyl)amino]propanoic acid
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.9170(10)
_cell_length_b                   11.1123(11)
_cell_length_c                   28.247(3)
_cell_measurement_reflns_used    5469
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.06
_cell_measurement_theta_min      2.18
_cell_volume                     3112.8(6)
_computing_cell_refinement       'SAINT v6.45a (Bruker, 2005)'
_computing_data_collection       'SMART v.5.632 (Bruker, 2005)'
_computing_data_reduction        'SAINT v6.45a (Bruker, 2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker D8 diffractometer with APEX detector'
_diffrn_measurement_method       '\w scans with a narrow frame width'
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            17876
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         1.44
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.9896
_exptl_absorpt_correction_T_min  0.9692
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008-1 (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.230
_refine_diff_density_min         -0.160
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         6726
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0346
_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^)+(0.0375P)^2^+0.1944P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0740
_refine_ls_wR_factor_ref         0.0767
_reflns_number_gt                6106
_reflns_number_total             6726
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0sm00409j.txt
_cod_data_source_block           da20090m
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               1515938