# Electronic Supplementary Material (ESI) for Chemical Communications # This journal is © The Royal Society of Chemistry 2013 ####################################################################### # # Cambridge Crystallographic Data Centre # CCDC # ####################################################################### # # This CIF contains data from an original supplementary publication # deposited with the CCDC, and may include chemical, crystal, # experimental, refinement, atomic coordinates, # anisotropic displacement parameters and molecular geometry data, # as required by the journal to which it was submitted. # # This CIF is provided on the understanding that it is used for bona # fide research purposes only. It may contain copyright material # of the CCDC or of third parties, and may not be copied or further # disseminated in any form, whether machine-readable or not, # except for the purpose of generating routine backup copies # on your local computer system. # # For further information on the CCDC, data deposition and # data retrieval see: # www.ccdc.cam.ac.uk # # Bona fide researchers may freely download Mercury and enCIFer # from this site to visualise CIF-encoded structures and # to carry out CIF format checking respectively. # ####################################################################### data_Dansylamine _database_code_depnum_ccdc_archive 'CCDC 916576' #TrackingRef '16319_web_deposit_cif_file_0_RicahrdC.Knighton_1355937861.publish.cif' #============================================================================== _exptl_special_details ; The crystal was placed in the cold stream of an Oxford Cryosystems open-flow nitrogen cryostat (Cosier & Glazer, 1986) with a nominal stability of 0.1K. Cosier, J. & Glazer, A.M., 1986. J. Appl. Cryst. 105-107. ; _refine_special_details ; ? ; #--------------------------------------------------------------- # _oxford_ data items, April 2010: # There is some uncertainty about the correct way of forming local data # names, e.g. # _atom_site_special_shape_oxford # or # _oxford_atom_site_special_shape # see: # http://www.iucr.org/resources/cif/spec/version1.1/semantics#namespace # A reserved prefix, e.g. foo, must be used in the following way # " If the data file contains items defined in a DDL1 dictionary, the # local data names assigned under the reserved prefix must contain it as # their first component, e.g. _foo_atom_site_my_item. " # However, this seems to say the opposite: # http://www.iucr.org/__data/iucr/cif/standard/cifstd8.html # According to advice from the IUCr, CRYSTALS is correct #--------------------------------------------------------------- # End of 'script/refcif.dat' #end of refcif _cell_length_a 8.0889(2) _cell_length_b 11.4745(3) _cell_length_c 15.4252(5) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1431.71(7) _symmetry_cell_setting orthorhombic _symmetry_space_group_name_H-M 'P 21 c n ' _symmetry_space_group_name_Hall 'P -2n 2a' loop_ _symmetry_equiv_pos_as_xyz x,y,z x+1/2,y+1/2,-z+1/2 x+1/2,-y,-z x,-y+1/2,z+1/2 loop_ _atom_type_symbol _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_Cromer_Mann_a1 _atom_type_scat_Cromer_Mann_b1 _atom_type_scat_Cromer_Mann_a2 _atom_type_scat_Cromer_Mann_b2 _atom_type_scat_Cromer_Mann_a3 _atom_type_scat_Cromer_Mann_b3 _atom_type_scat_Cromer_Mann_a4 _atom_type_scat_Cromer_Mann_b4 _atom_type_scat_Cromer_Mann_c _atom_type_scat_source C 0.0033 0.0016 2.3100 20.8439 1.0200 10.2075 1.5886 0.5687 0.8650 51.6512 0.2156 'International Tables Vol C 4.2.6.8 and 6.1.1.4' H 0.0000 0.0000 0.4930 10.5109 0.3229 26.1257 0.1402 3.1424 0.0408 57.7998 0.0030 'International Tables Vol C 4.2.6.8 and 6.1.1.4' N 0.0061 0.0033 12.2126 0.0057 3.1322 9.8933 2.0125 28.9975 1.1663 0.5826 -11.5290 'International Tables Vol C 4.2.6.8 and 6.1.1.4' O 0.0106 0.0060 3.0485 13.2771 2.2868 5.7011 1.5463 0.3239 0.8670 32.9089 0.2508 'International Tables Vol C 4.2.6.8 and 6.1.1.4' S 0.1246 0.1234 6.9053 1.4679 5.2034 22.2151 1.4379 0.2536 1.5863 56.1720 0.8669 'International Tables Vol C 4.2.6.8 and 6.1.1.4' _cell_formula_units_Z 4 # Given Formula = C14 H19 N3 O2 # Dc = 1.21 Fooo = 624.00 Mu = 0.83 M = 261.32 # Found Formula = C14 H19 N3 O2 S1 # Dc = 1.36 FOOO = 624.00 Mu = 2.32 M = 293.39 _chemical_formula_sum 'C14 H19 N3 O2 S' _chemical_formula_moiety 'C14 H19 N3 O2 S' _chemical_compound_source synthesised _chemical_formula_weight 293.39 _cell_measurement_reflns_used 1842 _cell_measurement_theta_min 0.998 _cell_measurement_theta_max 27.485 _cell_measurement_temperature 150 _exptl_crystal_description needle _exptl_crystal_colour colourless _exptl_crystal_size_min 0.1 _exptl_crystal_size_mid 0.1 _exptl_crystal_size_max 0.8 _exptl_crystal_density_diffrn 1.361 _exptl_crystal_density_meas ? _exptl_crystal_density_method 'not measured' # Non-dispersive F(000): _exptl_crystal_F_000 624 _exptl_absorpt_coefficient_mu 0.232 # Sheldrick geometric approximatio 0.79 0.79 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details 'DENZO/SCALEPACK (Otwinowski & Minor, 1997)' _exptl_absorpt_correction_T_min 0.79 _exptl_absorpt_correction_T_max 0.79 # For a Kappa CCD, set Tmin to 1.0 and # Tmax to the ratio of max:min frame scales in scale_all.log _diffrn_measurement_device_type 'Nonius KappaCCD' _diffrn_measurement_device "95mm CCD camera on \k-goniostat'" _diffrn_radiation_monochromator graphite _diffrn_radiation_type 'Mo K\a' _diffrn_radiation_wavelength 0.71073 _diffrn_measurement_method \w # If a reference occurs more than once, delete the author # and date from subsequent references. _computing_data_collection 'COLLECT (Nonius, 2001).' _computing_cell_refinement 'HKL Scalepack (Otwinowski & Minor 1997)' _computing_data_reduction 'HKL Denzo and Scalepack (Otwinowski & Minor 1997)' _computing_structure_solution 'Superflip (Palatinus & Chapuis, 2007)' _computing_structure_refinement 'CRYSTALS (Betteridge et al., 2003)' _computing_publication_material 'CRYSTALS (Betteridge et al., 2003)' _diffrn_standards_interval_time 0 _diffrn_standards_interval_count 0 _diffrn_standards_number 0 _diffrn_standards_decay_% 0 _diffrn_ambient_temperature 150 _diffrn_reflns_number 3108 _reflns_number_total 3108 _diffrn_reflns_av_R_equivalents 0.000 # Number of reflections without Friedels Law is 3108 # Number of reflections with Friedels Law is 1697 # Theoretical number of reflections is about 1641 _diffrn_reflns_theta_min 3.081 _diffrn_reflns_theta_max 27.477 _diffrn_measured_fraction_theta_max 0.995 _diffrn_reflns_theta_full 27.477 _diffrn_measured_fraction_theta_full 0.995 _diffrn_reflns_limit_h_min -10 _diffrn_reflns_limit_h_max 10 _diffrn_reflns_limit_k_min -14 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_l_min -19 _diffrn_reflns_limit_l_max 20 _reflns_limit_h_min -10 _reflns_limit_h_max 10 _reflns_limit_k_min 0 _reflns_limit_k_max 14 _reflns_limit_l_min 0 _reflns_limit_l_max 20 _oxford_diffrn_Wilson_B_factor 1.58 _oxford_diffrn_Wilson_scale 1.77 _atom_sites_solution_primary Other #heavy,direct,difmap,geom # _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens difmap _refine_diff_density_min -0.29 _refine_diff_density_max 0.23 # The current dictionary definitions do not cover the # situation where the reflections used for refinement were # selected by a user-defined sigma threshold # The values actually used during refinement _oxford_reflns_threshold_expression_ref I>-3.0\s(I) _refine_ls_number_reflns 3101 _refine_ls_number_restraints 1 _refine_ls_number_parameters 181 _oxford_refine_ls_R_factor_ref 0.0423 _refine_ls_wR_factor_ref 0.0873 _refine_ls_goodness_of_fit_ref 0.8914 _refine_ls_shift/su_max 0.0002214 _refine_ls_shift/su_mean 0.0000164 # The values computed from all data _oxford_reflns_number_all 3101 _refine_ls_R_factor_all 0.0423 _refine_ls_wR_factor_all 0.0873 # The values computed with a 2 sigma cutoff - a la SHELX _reflns_threshold_expression I>2.0\s(I) _reflns_number_gt 2832 _refine_ls_R_factor_gt 0.0366 _refine_ls_wR_factor_gt 0.0815 # choose from: rm (reference molecule of known chirality), # ad (anomolous dispersion - Flack), rmad (rm and ad), # syn (from synthesis), unk (unknown) or . (not applicable). _chemical_absolute_configuration unk _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_hydrogen_treatment constr # none, undef, noref, refall, # refxyz, refU, constr or mixed _refine_ls_weighting_scheme calc _refine_ls_weighting_details ; Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982) [weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)] where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax Method = Robust Weighting (Prince, 1982) W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^ A~i~ are: 24.1 37.3 21.3 8.43 1.77 ; # Insert your own references if required - in alphabetical order loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_occupancy _atom_site_adp_type _atom_site_refinement_flags_posn _atom_site_refinement_flags_adp _atom_site_refinement_flags_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_attached_hydrogens H21 H 0.8111 0.2317 0.1569 0.0445 1.0000 Uiso R . . . . . H22 H 0.6913 0.3037 0.2144 0.0445 1.0000 Uiso R . . . . . H23 H 0.6288 0.2492 0.1284 0.0445 1.0000 Uiso R . . . . . H24 H 0.8079 0.0369 0.1513 0.0360 1.0000 Uiso R . . . . . H25 H 0.6851 -0.0386 0.2044 0.0360 1.0000 Uiso R . . . . . H26 H 0.6255 0.0253 0.1214 0.0360 1.0000 Uiso R . . . . . H27 H 0.3866 0.0102 0.1776 0.0302 1.0000 Uiso R . . . . . H28 H 0.1187 0.0207 0.2358 0.0313 1.0000 Uiso R . . . . . H29 H 0.2012 -0.0897 0.5573 0.0500 1.0000 Uiso R . . . . . H30 H 0.0559 0.1455 0.3486 0.0274 1.0000 Uiso R . . . . . H31 H 0.6930 0.2647 0.3459 0.0255 1.0000 Uiso R . . . . . H32 H 0.6429 0.3867 0.4623 0.0263 1.0000 Uiso R . . . . . H33 H 0.3728 0.4021 0.5198 0.0264 1.0000 Uiso R . . . . . H34 H -0.0566 0.1289 0.5038 0.0500 1.0000 Uiso R . . . . . H35 H 0.0501 0.0764 0.6376 0.0431 1.0000 Uiso R . . . . . H36 H 0.1506 0.1914 0.6424 0.0431 1.0000 Uiso R . . . . . H37 H 0.3220 0.0263 0.6377 0.0510 1.0000 Uiso R . . . . . H38 H 0.3581 0.1118 0.5622 0.0510 1.0000 Uiso R . . . . . H39 H 0.2199 0.0014 0.4731 0.0500 1.0000 Uiso R . . . . . N1 N 0.2572(3) -0.0369(2) 0.52329(18) 0.0470 1.0000 Uani . . . . . . C2 C 0.2798(4) 0.0587(3) 0.58557(19) 0.0419 1.0000 Uani . . . . . . C3 C 0.1229(3) 0.1266(2) 0.60694(16) 0.0353 1.0000 Uani . . . . . . N4 N 0.0379(2) 0.17006(16) 0.53036(13) 0.0262 1.0000 Uani . . . . . . S5 S 0.07291(11) 0.29681(4) 0.49054(3) 0.0197 1.0000 Uani . . . . . . O6 O 0.0923(2) 0.37990(13) 0.55942(10) 0.0278 1.0000 Uani . . . . . . O7 O -0.0532(2) 0.31715(15) 0.42677(11) 0.0279 1.0000 Uani . . . . . . C8 C 0.2676(3) 0.28695(18) 0.43772(13) 0.0185 1.0000 Uani . . . . . . C9 C 0.3942(3) 0.35152(18) 0.47237(14) 0.0207 1.0000 Uani . . . . . . C10 C 0.5549(3) 0.34292(18) 0.43770(13) 0.0218 1.0000 Uani . . . . . . C11 C 0.5839(3) 0.27137(16) 0.36816(12) 0.0205 1.0000 Uani . . . . . . C12 C 0.4551(3) 0.20680(18) 0.32859(13) 0.0183 1.0000 Uani . . . . . . C13 C 0.2916(3) 0.21215(18) 0.36424(13) 0.0180 1.0000 Uani . . . . . . C14 C 0.1653(3) 0.14172(19) 0.32637(14) 0.0229 1.0000 Uani . . . . . . C15 C 0.2030(3) 0.0688(2) 0.25938(15) 0.0248 1.0000 Uani . . . . . . C16 C 0.3637(3) 0.06246(19) 0.22386(14) 0.0243 1.0000 Uani . . . . . . C17 C 0.4887(3) 0.13238(19) 0.25550(13) 0.0209 1.0000 Uani . . . . . . N18 N 0.6523(3) 0.13181(17) 0.22253(13) 0.0246 1.0000 Uani . . . . . . C19 C 0.6966(3) 0.0299(2) 0.17032(15) 0.0293 1.0000 Uani . . . . . . C20 C 0.7002(4) 0.2386(2) 0.17664(18) 0.0358 1.0000 Uani . . . . . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 N1 0.0468(15) 0.0283(12) 0.0658(17) 0.0133(11) 0.0207(13) 0.0127(10) C2 0.0384(15) 0.0407(15) 0.0466(16) 0.0179(12) 0.0035(13) 0.0140(13) C3 0.0414(16) 0.0337(13) 0.0307(12) 0.0107(10) 0.0077(10) 0.0082(10) N4 0.0240(11) 0.0224(9) 0.0322(10) 0.0052(7) 0.0046(7) 0.0004(7) S5 0.01464(19) 0.01899(19) 0.0254(2) 0.00070(19) 0.0017(2) 0.0012(2) O6 0.0230(8) 0.0261(7) 0.0343(8) -0.0089(6) 0.0058(7) 0.0002(7) O7 0.0178(7) 0.0312(9) 0.0349(9) 0.0059(7) -0.0017(7) 0.0027(7) C8 0.0165(9) 0.0190(9) 0.0201(9) 0.0009(8) 0.0002(8) 0.0006(8) C9 0.0199(10) 0.0196(10) 0.0225(10) -0.0023(8) -0.0014(8) 0.0007(8) C10 0.0190(10) 0.0235(9) 0.0228(9) -0.0021(7) -0.0029(8) -0.0010(9) C11 0.0159(9) 0.0227(9) 0.0229(9) -0.0013(7) 0.0008(9) -0.0009(9) C12 0.0177(9) 0.0191(9) 0.0181(9) 0.0023(8) -0.0013(7) -0.0011(8) C13 0.0178(9) 0.0177(9) 0.0184(9) 0.0020(7) -0.0011(7) -0.0023(8) C14 0.0177(9) 0.0273(11) 0.0236(10) 0.0016(9) -0.0018(8) -0.0050(8) C15 0.0254(11) 0.0246(11) 0.0243(10) -0.0009(9) -0.0045(9) -0.0062(9) C16 0.0301(11) 0.0223(10) 0.0206(10) -0.0022(8) 0.0008(9) -0.0034(9) C17 0.0222(10) 0.0207(10) 0.0198(10) 0.0012(8) -0.0003(8) 0.0009(8) N18 0.0247(9) 0.0236(9) 0.0254(9) -0.0052(8) 0.0060(8) -0.0019(8) C19 0.0287(12) 0.0325(12) 0.0266(11) -0.0096(10) 0.0032(9) 0.0040(10) C20 0.0404(15) 0.0354(13) 0.0315(12) -0.0036(11) 0.0140(11) -0.0102(11) _refine_ls_extinction_method None _oxford_refine_ls_scale 0.6087(13) loop_ _geom_bond_atom_site_label_1 _geom_bond_site_symmetry_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag H21 . C20 . 0.950 no H22 . C20 . 0.950 no H23 . C20 . 0.950 no H24 . C19 . 0.950 no H25 . C19 . 0.950 no H26 . C19 . 0.950 no H27 . C16 . 0.950 no H28 . C15 . 0.950 no H29 . N1 . 0.921 no H30 . C14 . 0.950 no H31 . C11 . 0.950 no H32 . C10 . 0.950 no H33 . C9 . 0.950 no H34 . N4 . 0.988 no H35 . C3 . 0.950 no H36 . C3 . 0.950 no H37 . C2 . 0.950 no H38 . C2 . 0.950 no H39 . N1 . 0.940 no N1 . C2 . 1.470(4) yes C2 . C3 . 1.526(4) yes C3 . N4 . 1.455(3) yes N4 . S5 . 1.6040(19) yes S5 . O6 . 1.4362(15) yes S5 . O7 . 1.4363(17) yes S5 . C8 . 1.776(2) yes C8 . C9 . 1.373(3) yes C8 . C13 . 1.435(3) yes C9 . C10 . 1.409(3) yes C10 . C11 . 1.371(3) yes C11 . C12 . 1.417(3) yes C12 . C13 . 1.434(3) yes C12 . C17 . 1.440(3) yes C13 . C14 . 1.428(3) yes C14 . C15 . 1.364(3) yes C15 . C16 . 1.413(3) yes C16 . C17 . 1.379(3) yes C17 . N18 . 1.418(3) yes N18 . C19 . 1.464(3) yes N18 . C20 . 1.467(3) yes loop_ _geom_angle_atom_site_label_1 _geom_angle_site_symmetry_1 _geom_angle_atom_site_label_2 _geom_angle_site_symmetry_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag H39 . N1 . H29 . 128.2 no H39 . N1 . C2 . 103.3 no H29 . N1 . C2 . 100.4 no N1 . C2 . H38 . 108.3 no N1 . C2 . H37 . 107.8 no H38 . C2 . H37 . 109.5 no N1 . C2 . C3 . 114.8(2) yes H38 . C2 . C3 . 108.0 no H37 . C2 . C3 . 108.4 no C2 . C3 . H36 . 109.1 no C2 . C3 . H35 . 108.3 no H36 . C3 . H35 . 109.5 no C2 . C3 . N4 . 113.1(2) yes H36 . C3 . N4 . 108.1 no H35 . C3 . N4 . 108.6 no C3 . N4 . H34 . 122.6 no C3 . N4 . S5 . 122.58(17) yes H34 . N4 . S5 . 114.3 no N4 . S5 . O6 . 109.75(10) yes N4 . S5 . O7 . 106.51(10) yes O6 . S5 . O7 . 118.45(10) yes N4 . S5 . C8 . 105.93(10) yes O6 . S5 . C8 . 106.54(10) yes O7 . S5 . C8 . 109.02(10) yes S5 . C8 . C9 . 116.66(16) yes S5 . C8 . C13 . 121.37(15) yes C9 . C8 . C13 . 121.94(19) yes H33 . C9 . C8 . 119.6 no H33 . C9 . C10 . 120.2 no C8 . C9 . C10 . 120.20(19) yes C9 . C10 . H32 . 120.2 no C9 . C10 . C11 . 119.8(2) yes H32 . C10 . C11 . 120.0 no H31 . C11 . C10 . 119.4 no H31 . C11 . C12 . 119.0 no C10 . C11 . C12 . 121.6(2) yes C11 . C12 . C13 . 119.38(18) yes C11 . C12 . C17 . 120.61(19) yes C13 . C12 . C17 . 119.96(19) yes C8 . C13 . C12 . 116.99(18) yes C8 . C13 . C14 . 124.38(19) yes C12 . C13 . C14 . 118.62(19) yes C13 . C14 . H30 . 119.6 no C13 . C14 . C15 . 119.8(2) yes H30 . C14 . C15 . 120.6 no H28 . C15 . C14 . 119.1 no H28 . C15 . C16 . 118.8 no C14 . C15 . C16 . 122.1(2) yes C15 . C16 . H27 . 120.2 no C15 . C16 . C17 . 120.5(2) yes H27 . C16 . C17 . 119.4 no C12 . C17 . C16 . 118.9(2) yes C12 . C17 . N18 . 117.34(19) yes C16 . C17 . N18 . 123.7(2) yes C17 . N18 . C19 . 115.44(19) yes C17 . N18 . C20 . 114.6(2) yes C19 . N18 . C20 . 109.67(19) yes N18 . C19 . H26 . 109.4 no N18 . C19 . H25 . 109.4 no H26 . C19 . H25 . 109.5 no N18 . C19 . H24 . 109.5 no H26 . C19 . H24 . 109.5 no H25 . C19 . H24 . 109.5 no N18 . C20 . H23 . 108.9 no N18 . C20 . H22 . 109.9 no H23 . C20 . H22 . 109.5 no N18 . C20 . H21 . 109.6 no H23 . C20 . H21 . 109.5 no H22 . C20 . H21 . 109.5 no loop_ _geom_hbond_atom_site_label_D _geom_hbond_site_symmetry_D _geom_hbond_atom_site_label_H _geom_hbond_site_symmetry_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_angle_DHA _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_publ_flag N1 . H29 . C11 3_456 166.73(7) 0.921 2.563 3.465(3) yes C14 . H30 . O7 . 122.98(6) 0.950 2.473 3.094(3) yes C11 . H31 . O7 1_655 124.59(6) 0.950 2.477 3.116(3) yes N4 . H34 . N1 3_456 167.83(10) 0.988 1.885 2.859(3) yes _iucr_refine_instruction_details_constraints ; # # Punched on 23/05/12 at 18:23:54 # #LIST 12 BLOCK SCALE X'S, U'S RIDE N ( 1,X'S) H ( 39,X'S) H ( 29,X'S) RIDE C ( 2,X'S) H ( 38,X'S) H ( 37,X'S) RIDE C ( 3,X'S) H ( 36,X'S) H ( 35,X'S) RIDE N ( 4,X'S) H ( 34,X'S) RIDE C ( 9,X'S) H ( 33,X'S) RIDE C ( 10,X'S) H ( 32,X'S) RIDE C ( 11,X'S) H ( 31,X'S) RIDE C ( 14,X'S) H ( 30,X'S) RIDE C ( 15,X'S) H ( 28,X'S) RIDE C ( 16,X'S) H ( 27,X'S) RIDE C ( 19,X'S) H ( 26,X'S) H ( 25,X'S) H ( 24,X'S) RIDE C ( 20,X'S) H ( 23,X'S) H ( 22,X'S) H ( 21,X'S) END ; _iucr_refine_instruction_details_restraints ; # # Punched on 23/05/12 at 18:23:54 # #LIST 16 NO REM HREST START (DO NOT REMOVE THIS LINE) REM HREST END (DO NOT REMOVE THIS LINE) END ;