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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-1194.088487
Energy at 298.15K-1194.090872
HF Energy-1193.683807
Nuclear repulsion energy194.434954
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 CCSD/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 2687 2537 1.32      
2 A 928 876 0.85      
3 A 497 469 0.89      
4 A 310 293 29.20      
5 A 211 199 0.02      
6 B 2687 2537 29.43      
7 B 914 863 14.30      
8 B 505 477 16.56      
9 B 342 323 20.98      

Unscaled Zero Point Vibrational Energy (zpe) 4540.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 4287.3 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 CCSD/6-31G*
ABC
0.45894 0.08929 0.07711

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.848
S2 0.000 1.672 -0.387
S3 0.000 -1.672 -0.387
H4 -1.331 1.776 -0.590
H5 1.331 -1.776 -0.590

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07942.07942.64472.6447
S22.07943.34491.35053.7023
S32.07943.34493.70231.3505
H42.64471.35053.70234.4396
H52.64473.70231.35054.4396

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.675 S1 S3 H5 98.675
S2 S1 S3 107.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-1194.088048
Energy at 298.15K-1194.090441
HF Energy-1193.683295
Nuclear repulsion energy194.439622
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 CCSD/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' 2679 2530 36.74      
2 A' 929 877 8.37      
3 A' 497 469 0.78      
4 A' 341 322 22.19      
5 A' 213 201 0.22      
6 A" 2681 2531 2.35      
7 A" 920 869 9.42      
8 A" 506 478 18.24      
9 A" 314 296 12.41      

Unscaled Zero Point Vibrational Energy (zpe) 4539.7 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 4286.9 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 CCSD/6-31G*
ABC
0.46035 0.08920 0.07708

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

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 1.672
S3 -0.053 -0.390 -1.672
H4 1.282 -0.526 1.826
H5 1.282 -0.526 -1.826

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07882.07882.64532.6453
S22.07883.34441.35123.7466
S32.07883.34443.74661.3512
H42.64531.35123.74663.6512
H52.64533.74661.35123.6512

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.710 S1 S3 H5 98.710
S2 S1 S3 107.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability