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All results from a given calculation for S4 (Sulfur tetramer)

using model chemistry: MP2=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no D2D 1A1
1 2 no C2V 1A1
1 3 yes D2H 1AG

Conformer 1 (D2D)

Jump to S1C2 S1C3
Energy calculated at MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-1591.004487
Energy at 298.15K 
HF Energy-1590.151097
Nuclear repulsion energy353.295942
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=FULL/daug-cc-pVTZ
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 542 542 0.00 37.23 0.04 0.07
2 A1 219 219 0.00 1.13 0.69 0.82
3 B1 481 481 0.00 13.00 0.75 0.86
4 B2 308 308 0.04 5.57 0.75 0.86
5 E 453 453 0.02 2.99 0.75 0.86
5 E 453 453 0.02 2.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1227.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1227.3 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=FULL/daug-cc-pVTZ
ABC
0.11903 0.11903 0.06597

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVTZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.414 0.329
S2 0.000 -1.414 0.329
S3 -1.414 0.000 -0.329
S4 1.414 0.000 -0.329

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.82722.10472.1047
S22.82722.10472.1047
S32.10472.10472.8272
S42.10472.10472.8272

picture of Sulfur tetramer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 S4 47.806 S1 S3 S4 47.806
S2 S1 S3 47.806 S2 S4 S3 47.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1 S1C3
Energy calculated at MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-1591.072075
Energy at 298.15K 
HF Energy-1590.084112
Nuclear repulsion energy329.388091
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=FULL/daug-cc-pVTZ
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 662 662 0.00 3336211.00 0.33 0.50
2 A1 454 454 0.64 18308.04 0.33 0.50
3 A1 236 236 0.00 0.00 0.33 0.50
4 A2 228 228 0.00 13.61 0.75 0.86
5 B2 15323 15323 0.00 252029.50 0.75 0.86
6 B2 312 312 0.00 261005.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8607.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8607.3 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=FULL/daug-cc-pVTZ
ABC
0.14205 0.07881 0.05069

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.293 0.963
S2 0.000 -1.293 0.963
S3 0.000 1.293 -0.963
S4 0.000 -1.293 -0.963

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.58631.92663.2252
S22.58633.22521.9266
S31.92663.22522.5868
S43.22521.92662.5868

picture of Sulfur tetramer state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 S4 90.007 S1 S3 S4 89.993
S2 S1 S3 90.007 S2 S4 S3 89.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D2H)

Jump to S1C1 S1C2
Energy calculated at MP2=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-1591.072075
Energy at 298.15K 
HF Energy-1590.084135
Nuclear repulsion energy329.377851
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=FULL/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 663 663 0.00 1890387.00 0.33 0.50
2 Ag 235 235 0.00 0.00 0.33 0.50
3 Au 228 228 0.00 0.00 0.75 0.86
4 B1u 17835 17835 0.00 0.03 0.75 0.86
5 B2u 453 453 0.62 0.50 0.75 0.86
6 B3g 311 311 0.00 451116.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9862.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9862.6 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=FULL/daug-cc-pVTZ
ABC
0.14210 0.07877 0.05068

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.963 1.294
S2 0.000 0.963 -1.294
S3 0.000 -0.963 1.294
S4 0.000 -0.963 -1.294

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.58721.92633.2255
S22.58723.22551.9263
S31.92633.22552.5872
S43.22551.92632.5872

picture of Sulfur tetramer state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 S4 90.000 S1 S3 S4 90.000
S2 S1 S3 90.000 S2 S4 S3 90.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability