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

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-1192.879900
Energy at 298.15K-1192.880361
HF Energy-1192.471417
Nuclear repulsion energy181.359438
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 CCD/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 756 709 39.41      
2 A1 612 574 0.81      
3 A1 270 253 2.76      

Unscaled Zero Point Vibrational Energy (zpe) 819.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 767.9 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 CCD/6-31G**
ABC
0.77259 0.09728 0.08640

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.646 -0.337
S3 0.000 -1.646 -0.337

Atom - Atom Distances (Å)
  S1 S2 S3
S11.93231.9323
S21.93233.2925
S31.93233.2925

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 116.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-1192.875659
Energy at 298.15K-1192.876164
HF Energy-1192.483761
Nuclear repulsion energy194.158915
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 CCD/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' 616 578 0.00      
2 E' 470 440 1.15      
2 E' 470 440 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 777.8 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 729.2 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 CCD/6-31G**
ABC
0.24068 0.24068 0.12034

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.208 0.000
S2 1.047 -0.604 0.000
S3 -1.047 -0.604 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.09322.0932
S22.09322.0932
S32.09322.0932

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