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

using model chemistry: CCSD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-1192.885886
Energy at 298.15K-1192.886305
HF Energy-1192.470892
Nuclear repulsion energy180.728912
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/6-31G*
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 700 661 80.29      
2 A1 600 566 0.65      
3 A1 265 250 2.57      

Unscaled Zero Point Vibrational Energy (zpe) 782.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 738.7 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/6-31G*
ABC
0.77231 0.09643 0.08573

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.675
S2 0.000 1.653 -0.337
S3 0.000 -1.653 -0.337

Atom - Atom Distances (Å)
  S1 S2 S3
S11.93861.9386
S21.93863.3069
S31.93863.3069

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 117.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-1192.878531
Energy at 298.15K-1192.879020
HF Energy-1192.483613
Nuclear repulsion energy193.926089
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/6-31G*
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' 610 576 0.00      
2 E' 465 439 1.26      
2 E' 465 439 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 770.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 727.2 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 CCSD/6-31G*
ABC
0.24011 0.24011 0.12005

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.210 0.000
S2 1.048 -0.605 0.000
S3 -1.048 -0.605 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.09572.0957
S22.09572.0957
S32.09572.0957

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