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

using model chemistry: CCSD(T)/6-311+G(3df,2p)

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 CCSD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-1193.176793
Energy at 298.15K-1193.177198
HF Energy-1192.586009
Nuclear repulsion energy181.627178
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 CCSD(T)/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 B2 686 677        
2 A1 585 578        
3 A1 257 254        

Unscaled Zero Point Vibrational Energy (zpe) 764.1 cm-1
Scaled (by 0.9869) Zero Point Vibrational Energy (zpe) 754.1 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 CCSD(T)/6-311+G(3df,2p)
ABC
0.79460 0.09692 0.08638

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.665
S2 0.000 1.649 -0.333
S3 0.000 -1.649 -0.333

Atom - Atom Distances (Å)
  S1 S2 S3
S11.92761.9276
S21.92763.2986
S31.92763.2986

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 117.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at CCSD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-1193.165438
Energy at 298.15K-1193.165924
HF Energy-1192.595463
Nuclear repulsion energy194.501088
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 CCSD(T)/6-311+G(3df,2p)
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' 604 596        
2 E' 458 452        
2 E' 458 452        

Unscaled Zero Point Vibrational Energy (zpe) 759.9 cm-1
Scaled (by 0.9869) Zero Point Vibrational Energy (zpe) 749.9 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 CCSD(T)/6-311+G(3df,2p)
ABC
0.24157 0.24157 0.12079

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311+G(3df,2p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.206 0.000
S2 1.045 -0.603 0.000
S3 -1.045 -0.603 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.08932.0893
S22.08932.0893
S32.08932.0893

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