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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: QCISD(T)=FULL/cc-pVDZ

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 QCISD(T)=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-1194.230316
Energy at 298.15K-1194.232618
HF Energy-1193.755202
Nuclear repulsion energy192.355321
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 QCISD(T)=FULL/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' 2679 2569        
2 A' 878 842        
3 A' 475 456        
4 A' 329 315        
5 A' 200 192        
6 A" 2681 2571        
7 A" 866 830        
8 A" 469 450        
9 A" 305 292        

Unscaled Zero Point Vibrational Energy (zpe) 4441.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 4259.0 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.43965 0.08806 0.07567

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.866 0.000
S2 -0.054 -0.400 1.684
S3 -0.054 -0.400 -1.684
H4 1.292 -0.524 1.805
H5 1.292 -0.524 -1.805

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.10712.10712.64632.6463
S22.10713.36821.35693.7420
S32.10713.36823.74201.3569
H42.64631.35693.74203.6106
H52.64633.74201.35693.6106

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.253 S1 S3 H5 97.253
S2 S1 S3 106.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability