return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CCSD(T)=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.545439
Energy at 298.15K-1194.547811
HF Energy-1193.814094
Nuclear repulsion energy195.569932
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/aug-cc-pVTZ
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 2676 2579        
2 A 886 854        
3 A 498 480        
4 A 310 299        
5 A 205 198        
6 B 2675 2577        
7 B 874 842        
8 B 497 479        
9 B 335 323        

Unscaled Zero Point Vibrational Energy (zpe) 4477.7 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 4315.2 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/aug-cc-pVTZ
ABC
0.45758 0.09084 0.07821

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.850
S2 0.000 1.658 -0.390
S3 0.000 -1.658 -0.390
H4 -1.328 1.752 -0.556
H5 1.328 -1.752 -0.556

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07032.07032.60952.6095
S22.07033.31651.34173.6635
S32.07033.31653.66351.3417
H42.60951.34173.66354.3970
H52.60953.66351.34174.3970

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.479 S1 S3 H5 97.479
S2 S1 S3 106.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.545342
Energy at 298.15K-1194.547733
HF Energy-1193.813932
Nuclear repulsion energy195.654142
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/aug-cc-pVTZ
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' 2670 2573        
2 A' 889 857        
3 A' 499 480        
4 A' 336 324        
5 A' 206 198        
6 A" 2672 2575        
7 A" 876 844        
8 A" 498 480        
9 A" 322 310        

Unscaled Zero Point Vibrational Energy (zpe) 4483.4 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 4320.6 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 CCSD(T)=FULL/aug-cc-pVTZ
ABC
0.45816 0.09091 0.07827

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.848 0.000
S2 -0.053 -0.392 1.657
S3 -0.053 -0.392 -1.657
H4 1.277 -0.510 1.785
H5 1.277 -0.510 -1.785

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06932.06932.60792.6079
S22.06933.31411.34213.6926
S32.06933.31413.69261.3421
H42.60791.34213.69263.5707
H52.60793.69261.34213.5707

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.429 S1 S3 H5 97.429
S2 S1 S3 106.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability