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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

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

Conformer 1 (C2 trans)

Jump to S1C2
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-1194.082036
Energy at 298.15K-1194.084433
HF Energy-1193.684032
Nuclear repulsion energy194.710393
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 2728 2560 1.00      
2 A 933 875 0.73      
3 A 502 471 1.06      
4 A 310 291 30.73      
5 A 213 200 0.01      
6 B 2727 2560 22.57      
7 B 919 863 13.90      
8 B 509 478 17.52      
9 B 343 322 22.18      

Unscaled Zero Point Vibrational Energy (zpe) 4591.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 4309.6 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 MP3/6-31G*
ABC
0.46029 0.08953 0.07731

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.847
S2 0.000 1.670 -0.387
S3 0.000 -1.670 -0.387
H4 -1.328 1.773 -0.590
H5 1.328 -1.773 -0.590

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07662.07662.64052.6405
S22.07663.34051.34713.6963
S32.07663.34053.69631.3471
H42.64051.34713.69634.4306
H52.64053.69631.34714.4306

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.693 S1 S3 H5 98.693
S2 S1 S3 107.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-1194.081584
Energy at 298.15K-1194.083990
HF Energy-1193.683520
Nuclear repulsion energy194.715089
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2719 2552 29.81      
2 A' 934 877 8.63      
3 A' 502 471 0.93      
4 A' 342 321 23.32      
5 A' 214 201 0.22      
6 A" 2721 2554 1.75      
7 A" 926 869 8.72      
8 A" 510 478 19.28      
9 A" 315 295 13.08      

Unscaled Zero Point Vibrational Energy (zpe) 4591.4 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 4309.5 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 MP3/6-31G*
ABC
0.46174 0.08944 0.07728

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.844 0.000
S2 -0.053 -0.389 1.670
S3 -0.053 -0.389 -1.670
H4 1.279 -0.527 1.823
H5 1.279 -0.527 -1.823

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07602.07602.64112.6411
S22.07603.34021.34783.7405
S32.07603.34023.74051.3478
H42.64111.34783.74053.6450
H52.64113.74051.34783.6450

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.726 S1 S3 H5 98.726
S2 S1 S3 107.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability