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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP2=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-1194.173857
Energy at 298.15K-1194.176224
HF Energy-1193.756281
Nuclear repulsion energy194.007863
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=FULL/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 2750 2613 0.42      
2 A 888 844 0.01      
3 A 499 474 0.57      
4 A 308 292 26.19      
5 A 207 196 0.03      
6 B 2749 2613 3.43      
7 B 878 834 5.46      
8 B 495 470 22.03      
9 B 337 320 20.52      

Unscaled Zero Point Vibrational Energy (zpe) 4554.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 4328.3 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=FULL/cc-pVDZ
ABC
0.44770 0.08958 0.07701

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.671 -0.393
S3 0.000 -1.671 -0.393
H4 -1.334 1.741 -0.591
H5 1.334 -1.741 -0.591

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08812.08812.62982.6298
S22.08813.34141.35083.6690
S32.08813.34143.66901.3508
H42.62981.35083.66904.3876
H52.62983.66901.35084.3876

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.449 S1 S3 H5 97.449
S2 S1 S3 106.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-1194.173471
Energy at 298.15K-1194.175850
HF Energy-1193.755811
Nuclear repulsion energy194.039069
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=FULL/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' 2742 2606 7.61      
2 A' 893 849 3.01      
3 A' 500 475 0.55      
4 A' 337 320 19.72      
5 A' 208 198 0.07      
6 A" 2744 2608 0.39      
7 A" 881 837 3.85      
8 A" 495 471 25.05      
9 A" 312 297 11.32      

Unscaled Zero Point Vibrational Energy (zpe) 4555.5 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 4329.5 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=FULL/cc-pVDZ
ABC
0.44866 0.08955 0.07702

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.670
S3 -0.054 -0.396 -1.670
H4 1.286 -0.523 1.792
H5 1.286 -0.523 -1.792

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.08742.08742.62872.6287
S22.08743.33971.35143.7140
S32.08743.33973.71401.3514
H42.62871.35143.71403.5835
H52.62873.71401.35143.5835

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.397 S1 S3 H5 97.397
S2 S1 S3 106.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability