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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-1195.371887
Energy at 298.15K-1195.374277
HF Energy-1195.187463
Nuclear repulsion energy195.410984
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 B2PLYP=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' 2681 2681 2.52      
2 A' 891 891 3.35      
3 A' 500 500 0.35      
4 A' 341 341 17.30      
5 A' 207 207 0.05      
6 A" 2683 2683 0.17      
7 A" 879 879 8.13      
8 A" 492 492 28.37      
9 A" 328 328 8.77      

Unscaled Zero Point Vibrational Energy (zpe) 4500.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4500.5 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 B2PLYP=FULL/6-31G(2df,p)
ABC
0.47278 0.08951 0.07764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.833 0.000
S2 -0.053 -0.385 1.669
S3 -0.053 -0.385 -1.669
H4 1.278 -0.510 1.820
H5 1.278 -0.510 -1.820

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06632.06632.62452.6245
S22.06633.33891.34523.7371
S32.06633.33893.73711.3452
H42.62451.34523.73713.6408
H52.62453.73711.34523.6408

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.367 S1 S3 H5 98.367
S2 S1 S3 107.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability