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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-1194.083027
Energy at 298.15K 
HF Energy-1193.933845
Nuclear repulsion energy179.047337
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 B2PLYP=FULLultrafine/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 657 657 65.03      
2 A1 566 566 0.99      
3 A1 257 257 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 739.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 739.5 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 B2PLYP=FULLultrafine/6-31G**
ABC
0.78624 0.09374 0.08376

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.669
S2 0.000 1.677 -0.334
S3 0.000 -1.677 -0.334

Atom - Atom Distances (Å)
  S1 S2 S3
S11.95401.9540
S21.95403.3540
S31.95403.3540

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 118.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-1194.064941
Energy at 298.15K 
HF Energy-1193.932421
Nuclear repulsion energy193.250796
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 B2PLYP=FULLultrafine/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' 596 596 0.00      
2 E' 456 456 1.15      
2 E' 456 456 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 753.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 753.9 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 B2PLYP=FULLultrafine/6-31G**
ABC
0.23844 0.23844 0.11922

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.214 0.000
S2 1.052 -0.607 0.000
S3 -1.052 -0.607 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.10302.1030
S22.10302.1030
S32.10302.1030

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