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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: MP2/aug-cc-pVDZ

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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.192361
Energy at 298.15K-1194.194700
HF Energy-1193.765578
Nuclear repulsion energy193.347357
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 MP2/aug-cc-pVDZ
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 2710 2599 0.13      
2 A 876 840 0.01      
3 A 490 470 0.23      
4 A 304 291 19.35      
5 A 203 195 0.03      
6 B 2709 2598 0.00      
7 B 865 829 6.77      
8 B 484 464 22.95      
9 B 334 320 14.85      

Unscaled Zero Point Vibrational Energy (zpe) 4486.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 4302.8 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 MP2/aug-cc-pVDZ
ABC
0.44307 0.08910 0.07654

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.864
S2 0.000 1.675 -0.397
S3 0.000 -1.675 -0.397
H4 -1.342 1.760 -0.563
H5 1.342 -1.760 -0.563

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09602.09602.63332.6333
S22.09603.34931.35503.6910
S32.09603.34933.69101.3550
H42.63331.35503.69104.4261
H52.63333.69101.35504.4261

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.128 S1 S3 H5 97.128
S2 S1 S3 106.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-1194.192181
Energy at 298.15K-1194.194535
HF Energy-1193.765314
Nuclear repulsion energy193.381431
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 MP2/aug-cc-pVDZ
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' 2704 2594 0.66      
2 A' 878 842 3.05      
3 A' 490 470 0.28      
4 A' 335 321 14.75      
5 A' 204 195 0.03      
6 A" 2707 2596 0.00      
7 A" 866 831 4.36      
8 A" 485 465 24.62      
9 A" 312 300 8.71      

Unscaled Zero Point Vibrational Energy (zpe) 4490.8 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 4306.7 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 MP2/aug-cc-pVDZ
ABC
0.44324 0.08913 0.07657

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.054 0.862 0.000
S2 -0.054 -0.399 1.674
S3 -0.054 -0.399 -1.674
H4 1.291 -0.511 1.799
H5 1.291 -0.511 -1.799

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.09562.09562.63272.6327
S22.09563.34721.35533.7258
S32.09563.34723.72581.3553
H42.63271.35533.72583.5984
H52.63273.72581.35533.5984

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.105 S1 S3 H5 97.105
S2 S1 S3 105.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability