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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-1194.036972
Energy at 298.15K-1194.039427
HF Energy-1193.684402
Nuclear repulsion energy195.535602
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 2787 2580 1.21      
2 A 958 887 0.81      
3 A 518 480 0.97      
4 A 314 290 31.08      
5 A 218 202 0.01      
6 B 2785 2579 22.36      
7 B 945 875 15.72      
8 B 533 493 15.19      
9 B 347 321 22.56      

Unscaled Zero Point Vibrational Energy (zpe) 4702.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 4353.5 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
0.46351 0.09035 0.07798

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 0.844
S2 0.000 1.663 -0.385
S3 0.000 -1.663 -0.385
H4 -1.320 1.764 -0.596
H5 1.320 -1.764 -0.596

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06802.06802.63262.6326
S22.06803.32561.34093.6787
S32.06803.32563.67871.3409
H42.63261.34093.67874.4074
H52.63263.67871.34094.4074

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.877 S1 S3 H5 98.877
S2 S1 S3 107.043
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-1194.036504
Energy at 298.15K-1194.038967
HF Energy-1193.683889
Nuclear repulsion energy195.541708
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' 2780 2573 29.00      
2 A' 960 889 9.95      
3 A' 518 480 0.83      
4 A' 346 321 23.71      
5 A' 220 204 0.24      
6 A" 2780 2574 2.46      
7 A" 952 881 9.59      
8 A" 534 494 16.71      
9 A" 317 294 13.49      

Unscaled Zero Point Vibrational Energy (zpe) 4703.1 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 4354.1 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
0.46524 0.09023 0.07795

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 -0.053 0.841 0.000
S2 -0.053 -0.388 1.663
S3 -0.053 -0.388 -1.663
H4 1.272 -0.528 1.816
H5 1.272 -0.528 -1.816

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06732.06732.63212.6321
S22.06733.32541.34153.7252
S32.06733.32543.72521.3415
H42.63211.34153.72523.6318
H52.63213.72521.34153.6318

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.859 S1 S3 H5 98.859
S2 S1 S3 107.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability