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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1192.964346
Energy at 298.15K-1192.964733
HF Energy-1192.533778
Nuclear repulsion energy180.380544
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 575 549 0.73      
2 A1 265 253 2.64      
3 B2 641 612 137.09      

Unscaled Zero Point Vibrational Energy (zpe) 740.5 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 706.5 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 QCISD/6-311G**
ABC
0.76780 0.09611 0.08542

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.677
S2 0.000 1.656 -0.338
S3 0.000 -1.656 -0.338

Atom - Atom Distances (Å)
  S1 S2 S3
S11.94241.9424
S21.94243.3124
S31.94243.3124

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 117.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-1192.959602
Energy at 298.15K-1192.960056
HF Energy-1192.551385
Nuclear repulsion energy192.649723
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 588 561 0.00      
2 E' 445 425 1.70      
2 E' 445 425 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 739.1 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 705.2 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 QCISD/6-311G**
ABC
0.23696 0.23696 0.11848

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.218 0.000
S2 1.055 -0.609 0.000
S3 -1.055 -0.609 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.10962.1096
S22.10962.1096
S32.10962.1096

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