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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2 trans 1A
1 2 yes CS cis 1A'

Conformer 1 (C2 trans)

Jump to S1C2
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-1194.104030
Energy at 298.15K 
HF Energy-1193.692070
Nuclear repulsion energy194.851068
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.46068 0.08960 0.07733

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.839
S2 0.000 1.669 -0.388
S3 0.000 -1.669 -0.388
H4 -1.321 1.822 -0.513
H5 1.321 -1.822 -0.513

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07102.07102.62552.6255
S22.07103.33731.33623.7342
S32.07103.33733.73421.3362
H42.62551.33623.73424.5011
H52.62553.73421.33624.5011

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.507 S1 S3 H5 98.507
S2 S1 S3 107.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-1194.109355
Energy at 298.15K-1194.111743
HF Energy-1193.693699
Nuclear repulsion energy194.855938
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 MP3/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2772 2580 17.04      
2 A' 931 866 9.94      
3 A' 499 464 0.62      
4 A' 331 308 21.86      
5 A' 212 197 0.16      
6 A" 2775 2582 0.41      
7 A" 923 859 10.57      
8 A" 507 472 20.23      
9 A" 304 283 12.74      

Unscaled Zero Point Vibrational Energy (zpe) 4627.0 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 4305.5 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 MP3/6-31+G**
ABC
0.46106 0.08958 0.07733

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.845 0.000
S2 -0.053 -0.390 1.669
S3 -0.053 -0.390 -1.669
H4 1.269 -0.525 1.808
H5 1.269 -0.525 -1.808

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07672.07672.62582.6258
S22.07673.33891.33603.7230
S32.07673.33893.72301.3360
H42.62581.33603.72303.6167
H52.62583.72301.33603.6167

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.257 S1 S3 H5 98.257
S2 S1 S3 107.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability