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All results from a given calculation for HSSSH (trisulfane)

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

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 CCD/6-31+G**
 hartrees
Energy at 0K-1194.112062
Energy at 298.15K-1194.114429
HF Energy-1193.694157
Nuclear repulsion energy194.748620
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 CCD/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 2758 2599 0.61      
2 A 929 875 0.94      
3 A 498 469 0.64      
4 A 294 277 26.24      
5 A 211 199 0.00      
6 B 2758 2598 13.12      
7 B 917 864 17.78      
8 B 508 479 16.31      
9 B 328 309 20.26      

Unscaled Zero Point Vibrational Energy (zpe) 4599.6 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 4334.2 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 CCD/6-31+G**
ABC
0.45799 0.08968 0.07733

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.850
S2 0.000 1.669 -0.389
S3 0.000 -1.669 -0.389
H4 -1.320 1.765 -0.581
H5 1.320 -1.765 -0.581

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07862.07862.62762.6276
S22.07863.33861.33723.6840
S32.07863.33863.68401.3372
H42.62761.33723.68404.4074
H52.62763.68401.33724.4074

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.231 S1 S3 H5 98.231
S2 S1 S3 106.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-1194.111720
Energy at 298.15K-1194.114103
HF Energy-1193.693653
Nuclear repulsion energy194.805031
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 CCD/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' 2750 2591 18.82      
2 A' 931 878 9.99      
3 A' 498 469 0.57      
4 A' 329 310 21.32      
5 A' 212 200 0.16      
6 A" 2752 2593 0.58      
7 A" 924 870 10.54      
8 A" 510 480 17.73      
9 A" 301 284 12.50      

Unscaled Zero Point Vibrational Energy (zpe) 4603.5 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 4337.8 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 CCD/6-31+G**
ABC
0.45945 0.08965 0.07735

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.847 0.000
S2 -0.053 -0.391 1.669
S3 -0.053 -0.391 -1.669
H4 1.271 -0.524 1.809
H5 1.271 -0.524 -1.809

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.07752.07752.62742.6274
S22.07753.33741.33793.7231
S32.07753.33743.72311.3379
H42.62741.33793.72313.6170
H52.62743.72311.33793.6170

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.246 S1 S3 H5 98.246
S2 S1 S3 106.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability