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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CCSD(T)/aug-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 CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.255029
Energy at 298.15K-1194.257297
HF Energy-1193.764726
Nuclear repulsion energy191.678367
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)/aug-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 2653 2554        
2 A 862 830        
3 A 469 451        
4 A 297 286        
5 A 196 189        
6 B 2652 2553        
7 B 852 820        
8 B 461 443        
9 B 325 313        

Unscaled Zero Point Vibrational Energy (zpe) 4383.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 4219.1 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 CCSD(T)/aug-cc-pVDZ
ABC
0.43441 0.08760 0.07520

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.873
S2 0.000 1.689 -0.401
S3 0.000 -1.689 -0.401
H4 -1.348 1.773 -0.565
H5 1.348 -1.773 -0.565

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.11562.11562.65102.6510
S22.11563.37821.36013.7189
S32.11563.37823.71891.3601
H42.65101.36013.71894.4542
H52.65103.71891.36014.4542

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.005 S1 S3 H5 97.005
S2 S1 S3 105.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.254855
Energy at 298.15K-1194.257138
HF Energy-1193.764460
Nuclear repulsion energy191.717575
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)/aug-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' 2647 2547        
2 A' 865 832        
3 A' 469 452        
4 A' 327 315        
5 A' 197 190        
6 A" 2649 2550        
7 A" 853 821        
8 A" 462 444        
9 A" 305 293        

Unscaled Zero Point Vibrational Energy (zpe) 4386.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 4222.1 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 CCSD(T)/aug-cc-pVDZ
ABC
0.43489 0.08762 0.07523

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.871 0.000
S2 -0.054 -0.403 1.688
S3 -0.054 -0.403 -1.688
H4 1.296 -0.513 1.812
H5 1.296 -0.513 -1.812

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.11502.11502.65002.6500
S22.11503.37641.36063.7535
S32.11503.37643.75351.3606
H42.65001.36063.75353.6243
H52.65003.75351.36063.6243

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 96.963 S1 S3 H5 96.963
S2 S1 S3 105.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability