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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 trans 1A
1 2 no CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-1193.749620
Energy at 298.15K-1193.751592
HF Energy-1193.567250
Nuclear repulsion energy179.849543
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 2505 2350 0.31      
2 A 820 769 0.00      
3 A 405 380 1.21      
4 A 258 242 41.94      
5 A 165 155 0.03      
6 B 2503 2347 65.43      
7 B 815 764 5.92      
8 B 413 388 8.98      
9 B 279 261 26.53      

Unscaled Zero Point Vibrational Energy (zpe) 4081.6 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 3827.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G
ABC
0.37506 0.07726 0.06587

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.945
S2 0.000 1.801 -0.432
S3 0.000 -1.801 -0.432
H4 -1.361 1.864 -0.647
H5 1.361 -1.864 -0.647

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.26752.26752.80392.8039
S22.26753.60241.37913.9159
S32.26753.60243.91591.3791
H42.80391.37913.91594.6164
H52.80393.91591.37914.6164

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.520 S1 S3 H5 97.520
S2 S1 S3 105.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-1193.748595
Energy at 298.15K-1193.750550
HF Energy-1193.566017
Nuclear repulsion energy179.703849
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2495 2340 80.54      
2 A' 819 768 6.59      
3 A' 404 379 0.91      
4 A' 279 262 32.36      
5 A' 167 157 0.27      
6 A" 2491 2336 0.21      
7 A" 819 768 1.81      
8 A" 415 389 10.61      
9 A" 241 226 14.72      

Unscaled Zero Point Vibrational Energy (zpe) 4065.4 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 3812.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-31G
ABC
0.37874 0.07680 0.06566

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.055 0.938 0.000
S2 -0.055 -0.435 1.804
S3 -0.055 -0.435 -1.804
H4 1.314 -0.546 1.950
H5 1.314 -0.546 -1.950

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.26742.26742.80622.8062
S22.26743.60891.38053.9973
S32.26743.60893.99731.3805
H42.80621.38053.99733.8995
H52.80623.99731.38053.8995

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.601 S1 S3 H5 97.601
S2 S1 S3 105.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability