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

using model chemistry: MP2/6-311+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 MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-1193.114929
Energy at 298.15K-1193.115380
HF Energy-1192.586838
Nuclear repulsion energy182.299320
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 MP2/6-311+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 596 562 0.89      
2 A1 264 249 0.45      
3 B2 758 715 15.04      

Unscaled Zero Point Vibrational Energy (zpe) 808.6 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 762.9 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 MP2/6-311+G(3df,2p)
ABC
0.80894 0.09737 0.08691

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.659
S2 0.000 1.645 -0.330
S3 0.000 -1.645 -0.330

Atom - Atom Distances (Å)
  S1 S2 S3
S11.91971.9197
S21.91973.2910
S31.91973.2910

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 117.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (D3H)

Jump to S1C1
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-1193.100938
Energy at 298.15K-1193.101457
HF Energy-1192.596202
Nuclear repulsion energy195.995135
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 MP2/6-311+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' 623 588 0.00      
2 E' 471 444 0.31      
2 E' 471 444 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 782.5 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 738.2 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 MP2/6-311+G(3df,2p)
ABC
0.24526 0.24526 0.12263

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.197 0.000
S2 1.037 -0.599 0.000
S3 -1.037 -0.599 0.000

Atom - Atom Distances (Å)
  S1 S2 S3
S12.07362.0736
S22.07362.0736
S32.07362.0736

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