Improving Hg-Triggered Gelation via Structural Modifications.
Carter, Kelsey K.; Rycenga, Halley B.; McNeil, Anne J.; Langmuir : the ACS journal of surfaces and colloids 30 (2014) 3522–3527; doi:10.1021/la404567b

data_4510382
_publ_section_title
;
 Improving Hg-Triggered Gelation via Structural Modifications.
;
_journal_issue                   12
_journal_name_full
'Langmuir : the ACS journal of surfaces and colloids'
_journal_page_first              3522
_journal_page_last               3527
_journal_paper_doi               10.1021/la404567b
_journal_volume                  30
_journal_year                    2014
_chemical_formula_moiety         'C16 H14 Hg N4 O4, 3(H2 O)'
_chemical_formula_sum            'C16 H20 Hg N4 O7'
_chemical_formula_weight         580.95
_chemical_name_systematic
; 
 ? 
;
_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   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.968(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.72740(10)
_cell_length_b                   17.3472(3)
_cell_length_c                   8.5768(6)
_cell_measurement_reflns_used    3812
_cell_measurement_temperature    85(2)
_cell_measurement_theta_max      68.20
_cell_measurement_theta_min      5.10
_cell_volume                     957.35(8)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r12'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r12 (Rigaku, 2011)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r12'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      85(2)
_diffrn_detector_area_resol_mean 14.629
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku Saturn70 CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'micro-focus rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            19699
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_diffrn_reflns_theta_min         5.10
_exptl_absorpt_coefficient_mu    14.847
_exptl_absorpt_correction_T_max  0.328
_exptl_absorpt_correction_T_min  0.255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
    Higashi, T. (1995). Program for Absorption Correction. 
    Rigaku Corporation, Tokyo, Japan. 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.015
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.802
_refine_diff_density_min         -0.533
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.017(6)
_refine_ls_extinction_coef       0.00042(5)
_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   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         3488
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0157
_refine_ls_R_factor_gt           0.0156
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0103P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0368
_refine_ls_wR_factor_ref         0.0369
_reflns_number_gt                3461
_reflns_number_total             3488
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            la404567b_si_003.cif
_cod_data_source_block           broxhg
_cod_original_cell_volume        957.35(7)
_cod_original_sg_symbol_H-M      'P 2(1)'
_cod_database_code               4510382