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

using model chemistry: QCISD(T)/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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-1193.193506
Energy at 298.15K-1193.193888
HF Energy-1192.596084
Nuclear repulsion energy180.108987
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)/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 B2 660 626        
2 A1 574 545        
3 A1 253 240        

Unscaled Zero Point Vibrational Energy (zpe) 743.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 705.4 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 QCISD(T)/cc-pVTZ
ABC
0.76698 0.09577 0.08514

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.677
S2 0.000 1.659 -0.338
S3 0.000 -1.659 -0.338

Atom - Atom Distances (Å)
  S1 S2 S3
S11.94531.9453
S21.94533.3183
S31.94533.3183

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 117.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-1193.185885
Energy at 298.15K-1193.186367
HF Energy-1192.610193
Nuclear repulsion energy193.264201
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)/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' 602 571        
2 E' 456 432        
2 E' 455 432        

Unscaled Zero Point Vibrational Energy (zpe) 756.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 717.6 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)/cc-pVTZ
ABC
0.23851 0.23851 0.11925

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.214 0.000
S2 1.051 -0.607 0.000
S3 -1.051 -0.607 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.10272.1027
S22.10272.1027
S32.10272.1027

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