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

using model chemistry: B2PLYP=FULL/6-31G**

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 B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-1592.083883
Energy at 298.15K 
HF Energy-1591.908001
Nuclear repulsion energy346.052525
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 B2PLYP=FULL/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 493 493 0.00 51.66 0.07 0.13
2 A1 197 197 0.00 3.00 0.75 0.86
3 B1 432 432 0.00 34.47 0.75 0.86
4 B2 314 314 0.30 11.20 0.75 0.86
5 E 409 409 0.07 7.29 0.75 0.86
5 E 409 409 0.07 7.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1126.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1126.9 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 B2PLYP=FULL/6-31G**
ABC
0.11463 0.11463 0.06265

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.451 0.313
S2 0.000 -1.451 0.313
S3 -1.451 0.000 -0.313
S4 1.451 0.000 -0.313

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.90112.14472.1447
S22.90112.14472.1447
S32.14472.14472.9011
S42.14472.14472.9011

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 47.442 S1 S3 S4 47.442
S2 S1 S3 47.442 S2 S4 S3 47.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1 S1C3
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-1592.130761
Energy at 298.15K 
HF Energy-1591.902074
Nuclear repulsion energy323.048014
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 B2PLYP=FULL/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 679 679 0.00 38.80 0.22 0.36
2 A1 215 215 0.00 33.49 0.44 0.61
3 A1 108 108 6.86 0.00 0.20 0.34
4 A2 214 214 0.00 0.00 0.75 0.86
5 B2 667 667 39.26 0.00 0.75 0.86
6 B2 295 295 0.00 18.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1088.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1088.2 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 B2PLYP=FULL/6-31G**
ABC
0.14181 0.07282 0.04811

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.346 0.964
S2 0.000 -1.346 0.964
S3 0.000 1.345 -0.964
S4 0.000 -1.345 -0.964

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.69121.92823.3103
S22.69123.31031.9282
S31.92823.31032.6903
S43.31031.92822.6903

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 89.986 S1 S3 S4 90.014
S2 S1 S3 89.986 S2 S4 S3 90.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D2H)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-1592.130761
Energy at 298.15K 
HF Energy-1591.902075
Nuclear repulsion energy323.050964
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 B2PLYP=FULL/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 Ag 678 678 0.00 38.80 0.22 0.36
2 Ag 215 215 0.00 33.39 0.44 0.61
3 Au 214 214 0.00 0.00 0.00 0.00
4 B1u 667 667 39.27 0.00 0.00 0.00
5 B2u 108 108 6.86 0.00 0.00 0.00
6 B3g 295 295 0.00 18.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1088.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1088.2 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 B2PLYP=FULL/6-31G**
ABC
0.14180 0.07283 0.04812

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.964 1.345
S2 0.000 0.964 -1.345
S3 0.000 -0.964 1.345
S4 0.000 -0.964 -1.345

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.69071.92833.3103
S22.69073.31031.9283
S31.92833.31032.6907
S43.31031.92832.6907

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