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

using model chemistry: MP2/6-31+G**

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 MP2/6-31+G**
 hartrees
Energy at 0K-1192.870221
Energy at 298.15K 
HF Energy-1192.471864
Nuclear repulsion energy179.670184
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.78365 0.09465 0.08445

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.670
S2 0.000 1.669 -0.335
S3 0.000 -1.669 -0.335

Atom - Atom Distances (Å)
  S1 S2 S3
S11.94801.9480
S21.94803.3379
S31.94803.3379

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 117.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-1192.850202
Energy at 298.15K-1192.850683
HF Energy-1192.486310
Nuclear repulsion energy194.189117
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 MP2/6-31+G**
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' 604 568 0.00      
2 E' 458 431 1.21      
2 E' 458 431 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 760.4 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 715.2 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 MP2/6-31+G**
ABC
0.24076 0.24076 0.12038

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.208 0.000
S2 1.046 -0.604 0.000
S3 -1.046 -0.604 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.09282.0928
S22.09282.0928
S32.09282.0928

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