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

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-1186.849482
Energy at 298.15K-1186.849697
HF Energy-1186.577349
Nuclear repulsion energy161.016679
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 MP4=FULL/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 728 712        
2 A1 436 427        
3 A1 191 187        

Unscaled Zero Point Vibrational Energy (zpe) 677.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 663.0 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 MP4=FULL/3-21G
ABC
0.56665 0.07824 0.06875

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.788
S2 0.000 1.836 -0.394
S3 0.000 -1.836 -0.394

Atom - Atom Distances (Å)
  S1 S2 S3
S12.18302.1830
S22.18303.6713
S32.18303.6713

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 114.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-1186.849024
Energy at 298.15K-1186.849161
HF Energy-1186.609707
Nuclear repulsion energy168.901515
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 MP4=FULL/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' 458 448        
2 E' 335 328        
2 E' 335 328        

Unscaled Zero Point Vibrational Energy (zpe) 563.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 551.9 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 MP4=FULL/3-21G
ABC
0.18217 0.18217 0.09108

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.389 0.000
S2 1.203 -0.695 0.000
S3 -1.203 -0.695 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.40602.4060
S22.40602.4060
S32.40602.4060

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