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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Vibrational Frequencies calculated at CCSD=FULL/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-1194.321823
Energy at 298.15K-1194.324265
HF Energy-1193.722412
Nuclear repulsion energy196.305095
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=FULL/6-31G(2df,p)
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' 2719 2560 1.89      
2 A' 918 864 4.15      
3 A' 515 485 0.33      
4 A' 339 319 17.31      
5 A' 214 201 0.06      
6 A" 2721 2562 0.17      
7 A" 905 852 6.87      
8 A" 525 494 18.50      
9 A" 324 305 9.84      

Unscaled Zero Point Vibrational Energy (zpe) 4589.7 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 4321.6 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=FULL/6-31G(2df,p)
ABC
0.46429 0.09131 0.07874

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.842 0.000
S2 -0.053 -0.389 1.653
S3 -0.053 -0.389 -1.653
H4 1.275 -0.515 1.795
H5 1.275 -0.515 -1.795

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06052.06052.61272.6127
S22.06053.30581.34123.6972
S32.06053.30583.69721.3412
H42.61271.34123.69723.5907
H52.61273.69721.34123.5907

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.129 S1 S3 H5 98.129
S2 S1 S3 106.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability