Elimination reaction SH(-) + CH3-CH2Cl with the growing string method at the HF-3c level

stringfile.xyz

 10
 0.000000
  C 0.000000 0.000000 0.000000
  C 0.000000 0.000000 1.450002
  Cl 1.782414 0.000000 2.108029
  S -3.756164 0.139964 -1.368081
  H 0.520198 0.905237 -0.380275
  H 0.519191 -0.905679 -0.380232
  H -0.525688 -0.903840 1.823125
  H -0.525636 0.903895 1.823071
  H -4.832053 0.160664 -2.199725
  H -0.996755 -0.006489 -0.465228
 10
 -9.751287
  C 0.030245 -0.016658 -0.097488
  C 0.005105 0.001489 1.447735
  Cl 1.697080 0.037563 2.170936
  S -3.589489 0.213643 -0.838680
  H 0.494959 0.881589 -0.485399
  H 0.564132 -0.884327 -0.466278
  H -0.492632 -0.888129 1.837705
  H -0.523031 0.884529 1.813570
  H -4.266694 0.137839 -2.008727
  H -1.013454 -0.059001 -0.445374
 10
 -9.339384
  C -0.126520 0.033820 -0.083312
  C 0.050535 0.006545 1.449675
  Cl 1.834286 -0.070074 1.975154
  S -3.553907 0.313172 -0.641448
  H 0.332214 0.911453 -0.520272
  H 0.262870 -0.865472 -0.543658
  H -0.420941 -0.875794 1.886307
  H -0.351265 0.911738 1.908905
  H -3.395470 -0.107249 -1.919596
  H -1.224995 0.080164 -0.280847
 10
 24.828136
  C -0.115718 0.045537 -0.075065
  C -0.007378 0.026492 1.350043
  Cl 2.101870 -0.098139 2.250588
  S -3.258185 0.300215 -0.584623
  H 0.210746 0.938687 -0.578919
  H 0.108643 -0.874168 -0.592613
  H -0.314822 -0.878223 1.871772
  H -0.211528 0.949461 1.887925
  H -3.142713 -0.178902 -1.854730
  H -1.580841 0.151771 -0.250389
 10
 12.647802
  C 0.065826 0.057739 -0.133093
  C -0.028450 0.036404 1.190929
  Cl 2.291152 -0.109512 2.741195
  S -3.298226 0.273582 -0.470059
  H 0.273352 0.969812 -0.665075
  H 0.172908 -0.847156 -0.702307
  H -0.232136 -0.878491 1.733568
  H -0.133916 0.946487 1.768930
  H -3.178018 -0.193974 -1.751748
  H -1.918192 0.188506 -0.223072
 10
 5.778823
  C 0.144974 0.047936 -0.214964
  C 0.104171 0.055039 1.103763
  Cl 2.405619 -0.076716 3.348471
  S -3.531637 0.260655 -0.458851
  H 0.256081 0.954344 -0.786942
  H 0.152241 -0.869619 -0.780017
  H 0.018104 -0.853819 1.688944
  H 0.119332 0.971941 1.682005
  H -3.506220 -0.130715 -1.772445
  H -2.156375 0.153891 -0.321517
 10
 3.992757
  C 0.040214 -0.000055 -0.367136
  C 0.125271 0.042868 0.946784
  Cl 2.269446 -0.051739 3.818557
  S -3.970563 0.231085 -0.548939
  H 0.076544 0.891618 -0.973552
  H -0.039968 -0.931537 -0.904503
  H 0.119125 -0.847296 1.568051
  H 0.236450 0.970126 1.500394
  H -4.065331 -0.017286 -1.895419
  H -2.598540 0.087996 -0.545817
 10
 3.819724
  C 0.017629 -0.040658 -0.452775
  C 0.240097 0.025719 0.842676
  Cl 2.222308 -0.001704 4.172285
  S -4.382576 0.245092 -0.628428
  H 0.004061 0.838616 -1.078297
  H -0.142208 -0.981033 -0.957476
  H 0.279824 -0.850324 1.483321
  H 0.423532 0.960600 1.362629
  H -4.598843 0.106898 -1.978121
  H -3.031009 0.002845 -0.742307
 10
 5.962267
  C 0.140782 -0.061776 -0.526038
  C 0.473581 0.008762 0.727097
  Cl 2.096220 0.070017 4.596969
  S -4.818699 0.194025 -0.654730
  H 0.098928 0.822210 -1.144961
  H -0.103832 -1.023900 -1.002571
  H 0.532034 -0.871563 1.359658
  H 0.715153 0.945407 1.224556
  H -5.193779 0.267523 -1.952852
  H -3.487779 -0.037788 -0.898902
 10
 111.167605
  C 0.059524 -0.007399 -0.040751
  C 0.102866 0.010224 1.158304
  Cl 4.111974 0.005004 3.903695
  S -4.683175 0.188807 -1.548538
  H 0.210588 0.994111 -0.476778
  H -0.120928 -1.039548 -0.448891
  H -0.080849 -0.986443 1.606500
  H 0.012206 1.034676 1.558002
  H -5.663654 0.198505 -2.437097
  H -3.553098 -0.020715 -1.561966
 10
 146.749880
  C 0.000000 0.000000 0.000000
  C 0.000000 0.000000 1.200000
  Cl 4.330127 0.000000 3.700000
  S -4.695205 0.174955 -1.710101
  H 0.181299 1.028198 -0.380275
  H -0.181279 -1.028082 -0.380232
  H -0.219783 -1.022238 1.573123
  H -0.143100 1.035781 1.573069
  H -5.771094 0.195655 -2.541745
  H -3.624564 -0.023597 -1.691738