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All results from a given calculation for S3 (Sulfur trimer)

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
1 2 no D3H 1A1'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-1188.541554
Energy at 298.15K 
HF Energy-1188.388817
Nuclear repulsion energy180.616098
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=FULLultrafine/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 B2 669 669 65.55      
2 A1 577 577 1.17      
3 A1 263 263 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 754.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 754.4 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=FULLultrafine/3-21G*
ABC
0.79912 0.09542 0.08524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.663
S2 0.000 1.662 -0.332
S3 0.000 -1.662 -0.332

Atom - Atom Distances (Å)
  S1 S2 S3
S11.93711.9371
S21.93713.3243
S31.93713.3243

picture of Sulfur trimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 S1 S3 118.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-1188.519085
Energy at 298.15K 
HF Energy-1188.382078
Nuclear repulsion energy194.009852
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=FULLultrafine/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 570 570 0.00      
2 E' 447 447 0.85      
2 E' 447 447 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 732.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 732.1 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 B2PLYP=FULLultrafine/3-21G*
ABC
0.24031 0.24031 0.12016

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.209 0.000
S2 1.047 -0.605 0.000
S3 -1.047 -0.605 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.09482.0948
S22.09482.0948
S32.09482.0948

picture of Sulfur trimer state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 S1 S3 60.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability