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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CCSD(T)=FULL/TZVP

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 CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-1194.315618
Energy at 298.15K-1194.317955
HF Energy-1193.766097
Nuclear repulsion energy192.933565
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 CCSD(T)=FULL/TZVP
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 2684 2566        
2 A 887 848        
3 A 481 460        
4 A 308 294        
5 A 202 194        
6 B 2683 2565        
7 B 875 837        
8 B 481 460        
9 B 336 321        

Unscaled Zero Point Vibrational Energy (zpe) 4468.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4271.9 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 CCSD(T)=FULL/TZVP
ABC
0.44720 0.08816 0.07593

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.860
S2 0.000 1.684 -0.394
S3 0.000 -1.684 -0.394
H4 -1.330 1.767 -0.586
H5 1.330 -1.767 -0.586

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09972.09972.64252.6425
S22.09973.36821.34663.7033
S32.09973.36823.70331.3466
H42.64251.34663.70334.4229
H52.64253.70331.34664.4229

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.731 S1 S3 H5 97.731
S2 S1 S3 106.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-1194.315256
Energy at 298.15K-1194.317599
HF Energy-1193.765575
Nuclear repulsion energy192.944394
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 CCSD(T)=FULL/TZVP
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' 2677 2559        
2 A' 891 851        
3 A' 482 461        
4 A' 336 321        
5 A' 203 194        
6 A" 2678 2561        
7 A" 880 841        
8 A" 482 461        
9 A" 310 296        

Unscaled Zero Point Vibrational Energy (zpe) 4469.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4272.4 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 CCSD(T)=FULL/TZVP
ABC
0.44792 0.08812 0.07592

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.858 0.000
S2 -0.053 -0.396 1.683
S3 -0.053 -0.396 -1.683
H4 1.281 -0.524 1.812
H5 1.281 -0.524 -1.812

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09932.09932.64112.6411
S22.09933.36701.34713.7441
S32.09933.36703.74411.3471
H42.64111.34713.74413.6244
H52.64113.74411.34713.6244

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.653 S1 S3 H5 97.653
S2 S1 S3 106.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability