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

using model chemistry: MP2/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/cc-pVTZ
 hartrees
Energy at 0K-1590.826149
Energy at 298.15K 
HF Energy-1590.147878
Nuclear repulsion energy351.261875
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/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 535 508 0.00 35.75 0.04 0.07
2 A1 210 200 0.00 2.58 0.74 0.85
3 B1 477 453 0.00 14.88 0.75 0.86
4 B2 302 287 0.00 7.88 0.75 0.86
5 E 448 426 0.00 4.53 0.75 0.86
5 E 448 426 0.00 4.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1210.7 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 1149.5 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 MP2/cc-pVTZ
ABC
0.11779 0.11779 0.06502

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.424 0.325
S2 0.000 -1.424 0.325
S3 -1.424 0.000 -0.325
S4 1.424 0.000 -0.325

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.84772.11572.1157
S22.84772.11572.1157
S32.11572.11572.8477
S42.11572.11572.8477

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 47.701 S1 S3 S4 47.701
S2 S1 S3 47.701 S2 S4 S3 47.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1 S1C3
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-1590.894012
Energy at 298.15K 
HF Energy-1590.079291
Nuclear repulsion energy327.635739
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/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 655 622 0.00 2890.89 0.33 0.50
2 A1 446 424 0.32 0.00 0.33 0.50
3 A1 228 217 0.00 0.00 0.33 0.50
4 A2 228 216 0.00 0.44 0.75 0.86
5 B2 4523 4294 0.00 0.00 0.75 0.86
6 B2 309 294 0.00 1511.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3194.8 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 3033.5 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 MP2/cc-pVTZ
ABC
0.14125 0.07756 0.05007

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.304 0.966
S2 0.000 -1.304 0.966
S3 0.000 1.304 -0.966
S4 0.000 -1.304 -0.966

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.60751.93213.2452
S22.60753.24521.9321
S31.93213.24522.6072
S43.24521.93212.6072

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 89.995 S1 S3 S4 90.005
S2 S1 S3 89.995 S2 S4 S3 90.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D2H)

Jump to S1C1 S1C2
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-1590.894012
Energy at 298.15K 
HF Energy-1590.079265
Nuclear repulsion energy327.621038
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/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 655 622 0.00 0.00 0.33 0.50
2 Ag 228 217 0.00 0.00 0.33 0.50
3 Au 228 216 0.00 0.00 0.75 0.86
4 B1u 4511 4283 0.00 0.00 0.53 0.70
5 B2u 447 424 0.32 0.22 0.36 0.53
6 B3g 309 294 0.00 1487.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3188.8 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 3027.8 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/cc-pVTZ
ABC
0.14123 0.07755 0.05006

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.966 1.304
S2 0.000 0.966 -1.304
S3 0.000 -0.966 1.304
S4 0.000 -0.966 -1.304

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.60741.93223.2453
S22.60743.24531.9322
S31.93223.24532.6074
S43.24531.93222.6074

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