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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP2/cc-pVDZ

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 MP2/cc-pVDZ
 hartrees
Energy at 0K-1194.153159
Energy at 298.15K-1194.155525
HF Energy-1193.756234
Nuclear repulsion energy193.878034
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 MP2/cc-pVDZ
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 2741 2611 0.42      
2 A 887 845 0.01      
3 A 499 476 0.56      
4 A 307 292 26.23      
5 A 207 197 0.03      
6 B 2740 2610 3.47      
7 B 877 835 5.36      
8 B 495 472 22.02      
9 B 336 320 20.47      

Unscaled Zero Point Vibrational Energy (zpe) 4544.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 4328.5 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 MP2/cc-pVDZ
ABC
0.44741 0.08944 0.07690

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.860
S2 0.000 1.672 -0.393
S3 0.000 -1.672 -0.393
H4 -1.336 1.743 -0.591
H5 1.336 -1.743 -0.591

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08932.08932.63182.6318
S22.08933.34411.35223.6720
S32.08933.34413.67201.3522
H42.63181.35223.67204.3913
H52.63183.67201.35224.3913

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.453 S1 S3 H5 97.453
S2 S1 S3 106.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-1194.152773
Energy at 298.15K-1194.155150
HF Energy-1193.755764
Nuclear repulsion energy193.908551
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 MP2/cc-pVDZ
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' 2733 2603 7.66      
2 A' 892 850 2.98      
3 A' 500 476 0.55      
4 A' 336 320 19.74      
5 A' 208 198 0.07      
6 A" 2735 2605 0.39      
7 A" 880 838 3.78      
8 A" 496 472 24.99      
9 A" 312 297 11.31      

Unscaled Zero Point Vibrational Energy (zpe) 4545.5 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 4329.6 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 MP2/cc-pVDZ
ABC
0.44837 0.08941 0.07691

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.857 0.000
S2 -0.054 -0.396 1.671
S3 -0.054 -0.396 -1.671
H4 1.288 -0.524 1.793
H5 1.288 -0.524 -1.793

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08872.08872.63072.6307
S22.08873.34231.35283.7171
S32.08873.34233.71711.3528
H42.63071.35283.71713.5863
H52.63073.71711.35283.5863

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.400 S1 S3 H5 97.400
S2 S1 S3 106.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability