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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-1192.986066
Energy at 298.15K-1192.986462
HF Energy-1192.542693
Nuclear repulsion energy179.670164
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/TZVP
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 586 560 0.71      
2 A1 260 249 2.10      
3 B2 658 628 124.27      

Unscaled Zero Point Vibrational Energy (zpe) 751.7 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 718.1 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 QCISD/TZVP
ABC
0.75537 0.09557 0.08484

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.682
S2 0.000 1.661 -0.341
S3 0.000 -1.661 -0.341

Atom - Atom Distances (Å)
  S1 S2 S3
S11.95081.9508
S21.95083.3218
S31.95083.3218

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 116.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-1192.983399
Energy at 298.15K-1192.983880
HF Energy-1192.560641
Nuclear repulsion energy192.266891
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/TZVP
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' 606 579 0.00      
2 E' 454 434 1.15      
2 E' 454 434 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 757.3 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 723.4 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/TZVP
ABC
0.23602 0.23602 0.11801

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.220 0.000
S2 1.057 -0.610 0.000
S3 -1.057 -0.610 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.11382.1138
S22.11382.1138
S32.11382.1138

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