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

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-1591.056830
Energy at 298.15K 
HF Energy-1590.147596
Nuclear repulsion energy349.678622
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 MP4=FULL/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 523 504        
2 A1 205 197        
3 B1 466 448        
4 B2 301 290        
5 E 438 422        
5 E 438 422        

Unscaled Zero Point Vibrational Energy (zpe) 1184.7 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 1140.7 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 MP4=FULL/cc-pVTZ
ABC
0.11681 0.11681 0.06431

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.432 0.322
S2 0.000 -1.432 0.322
S3 -1.432 0.000 -0.322
S4 1.432 0.000 -0.322

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.86322.12462.1246
S22.86322.12462.1246
S32.12462.12462.8632
S42.12462.12462.8632

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 47.637 S1 S3 S4 47.637
S2 S1 S3 47.637 S2 S4 S3 47.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1 S1C3
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-1591.105330
Energy at 298.15K 
HF Energy-1590.077770
Nuclear repulsion energy326.829792
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 MP4=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pVTZ
ABC
0.14011 0.07746 0.04988

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 1.304 0.970
S2 0.000 -1.304 0.970
S3 0.000 1.305 -0.970
S4 0.000 -1.305 -0.970

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.60891.93993.2512
S22.60893.25121.9399
S31.93993.25122.6092
S43.25121.93992.6092

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 90.006 S1 S3 S4 89.994
S2 S1 S3 90.006 S2 S4 S3 89.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (D2H)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-1591.105330
Energy at 298.15K 
HF Energy-1590.077815
Nuclear repulsion energy326.857628
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 MP4=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pVTZ
ABC
0.14012 0.07745 0.04988

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.970 1.305
S2 0.000 0.970 -1.305
S3 0.000 -0.970 1.305
S4 0.000 -0.970 -1.305

Atom - Atom Distances (Å)
  S1 S2 S3 S4
S12.60911.93983.2512
S22.60913.25121.9398
S31.93983.25122.6091
S43.25121.93982.6091

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