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

using model chemistry: MP2/aug-cc-pVTZ

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 MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-1193.144636
Energy at 298.15K-1193.145075
HF Energy-1192.599508
Nuclear repulsion energy181.003157
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 MP2/aug-cc-pVTZ
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 588 560 0.63      
2 A1 260 247 0.60      
3 B2 749 713 5.84      

Unscaled Zero Point Vibrational Energy (zpe) 798.0 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 760.5 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 MP2/aug-cc-pVTZ
ABC
0.77921 0.09657 0.08592

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.672
S2 0.000 1.652 -0.336
S3 0.000 -1.652 -0.336

Atom - Atom Distances (Å)
  S1 S2 S3
S11.93521.9352
S21.93523.3045
S31.93523.3045

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 117.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-1193.134881
Energy at 298.15K-1193.135390
HF Energy-1192.612865
Nuclear repulsion energy194.708930
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 MP2/aug-cc-pVTZ
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' 617 588 0.00      
2 E' 466 444 0.34      
2 E' 466 444 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 774.7 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 738.2 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 MP2/aug-cc-pVTZ
ABC
0.24205 0.24205 0.12102

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.205 0.000
S2 1.044 -0.603 0.000
S3 -1.044 -0.603 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.08732.0873
S22.08732.0873
S32.08732.0873

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