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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: CCSD/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-1194.395372
Energy at 298.15K-1194.397779
HF Energy-1193.819027
Nuclear repulsion energy196.144775
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/cc-pV(T+d)Z
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 2701 2701 0.33      
2 A 902 902 0.08      
3 A 505 505 0.31      
4 A 312 312 19.24      
5 A 211 211 0.00      
6 B 2700 2700 1.43      
7 B 890 890 9.44      
8 B 511 511 16.67      
9 B 334 334 13.97      

Unscaled Zero Point Vibrational Energy (zpe) 4533.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4533.3 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/cc-pV(T+d)Z
ABC
0.46385 0.09111 0.07857

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pV(T+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.844
S2 0.000 1.656 -0.386
S3 0.000 -1.656 -0.386
H4 -1.324 1.752 -0.568
H5 1.324 -1.752 -0.568

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06262.06262.61032.6103
S22.06263.31151.33953.6600
S32.06263.31153.66001.3395
H42.61031.33953.66004.3911
H52.61033.66001.33954.3911

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.962 S1 S3 H5 97.962
S2 S1 S3 106.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD/cc-pV(T+d)Z
 hartrees
Energy at 0K-1194.395213
Energy at 298.15K-1194.397630
HF Energy-1193.818784
Nuclear repulsion energy196.181581
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/cc-pV(T+d)Z
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' 2696 2696 3.29      
2 A' 905 905 3.86      
3 A' 505 505 0.33      
4 A' 335 335 14.82      
5 A' 212 212 0.06      
6 A" 2698 2698 0.34      
7 A" 893 893 6.54      
8 A" 512 512 17.99      
9 A" 319 319 8.66      

Unscaled Zero Point Vibrational Energy (zpe) 4536.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4536.3 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/cc-pV(T+d)Z
ABC
0.46394 0.09116 0.07861

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.842 0.000
S2 -0.053 -0.389 1.655
S3 -0.053 -0.389 -1.655
H4 1.274 -0.513 1.791
H5 1.274 -0.513 -1.791

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.06222.06222.60882.6088
S22.06223.30911.33983.6944
S32.06223.30913.69441.3398
H42.60881.33983.69443.5821
H52.60883.69441.33983.5821

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 97.887 S1 S3 H5 97.887
S2 S1 S3 106.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability