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All results from a given calculation for HSSSH (trisulfane)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-1195.906862
Energy at 298.15K-1195.909483
HF Energy-1195.906862
Nuclear repulsion energy196.882311
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 mPW1PW91/aug-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 2672 2672 0.42      
2 A 887 887 0.06      
3 A 507 507 0.15      
4 A 325 325 18.34      
5 A 210 210 0.01      
6 B 2671 2671 0.28      
7 B 873 873 10.73      
8 B 494 494 25.95      
9 B 343 343 12.56      

Unscaled Zero Point Vibrational Energy (zpe) 4490.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4490.5 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 mPW1PW91/aug-cc-pV(T+d)Z
ABC
0.48469 0.09060 0.07878

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pV(T+d)Z

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.823
S2 0.000 1.660 -0.377
S3 0.000 -1.660 -0.377
H4 -1.328 1.779 -0.552
H5 1.328 -1.779 -0.552

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.04812.04812.61112.6111
S22.04813.31941.34483.6903
S32.04813.31943.69031.3448
H42.61111.34483.69034.4400
H52.61113.69031.34484.4400

picture of trisulfane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.505 S1 S3 H5 98.505
S2 S1 S3 108.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.039      
2 S -0.136      
3 S -0.136      
4 H 0.156      
5 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.541 0.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.084 -3.530 0.000
y -3.530 -39.063 0.000
z 0.000 0.000 -41.190
Traceless
 xyz
x 3.042 -3.530 0.000
y -3.530 0.074 0.000
z 0.000 0.000 -3.116
Polar
3z2-r2-6.233
x2-y21.979
xy-3.530
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.689 -0.657 0.000
y -0.657 13.595 0.000
z 0.000 0.000 8.633


<r2> (average value of r2) Å2
<r2> 138.429
(<r2>)1/2 11.766

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at mPW1PW91/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-1195.906805
Energy at 298.15K-1195.909435
HF Energy-1195.906805
Nuclear repulsion energy196.951743
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 mPW1PW91/aug-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' 2666 2666 1.25      
2 A' 889 889 2.92      
3 A' 507 507 0.22      
4 A' 341 341 13.77      
5 A' 210 210 0.04      
6 A" 2668 2668 0.27      
7 A" 875 875 8.05      
8 A" 495 495 28.11      
9 A" 332 332 6.90      

Unscaled Zero Point Vibrational Energy (zpe) 4491.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4491.7 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 mPW1PW91/aug-cc-pV(T+d)Z
ABC
0.48461 0.09070 0.07885

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.053 0.822 0.000
S2 -0.053 -0.380 1.658
S3 -0.053 -0.380 -1.658
H4 1.277 -0.496 1.818
H5 1.277 -0.496 -1.818

Atom - Atom Distances (Å)
  S1 S2 S3 H4 H5
S12.04752.04752.60992.6099
S22.04753.31591.34523.7237
S32.04753.31593.72371.3452
H42.60991.34523.72373.6360
H52.60993.72371.34523.6360

picture of trisulfane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S2 H4 98.456 S1 S3 H5 98.456
S2 S1 S3 108.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.037      
2 S -0.133      
3 S -0.133      
4 H 0.151      
5 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.597 -0.467 0.000 1.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.280 -1.264 0.000
y -1.264 -41.299 0.000
z 0.000 0.000 -38.850
Traceless
 xyz
x 2.794 -1.264 0.000
y -1.264 -3.234 0.000
z 0.000 0.000 0.440
Polar
3z2-r20.879
x2-y24.018
xy-1.264
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.656 -0.233 0.000
y -0.233 8.611 0.000
z 0.000 0.000 13.609


<r2> (average value of r2) Å2
<r2> 138.329
(<r2>)1/2 11.761