return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SSH (Hydrogen methyl disulfide)

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-836.473820
Energy at 298.15K 
HF Energy-836.473820
Nuclear repulsion energy148.175299
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 PBEPBEultrafine/6-31G(2df,p)
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 3096 3064 3.95 54.29 0.75 0.86
2 A 3078 3047 4.10 85.36 0.74 0.85
3 A 2982 2952 12.38 146.87 0.03 0.06
4 A 2543 2516 9.00 148.05 0.28 0.44
5 A 1424 1410 8.38 11.38 0.74 0.85
6 A 1403 1388 7.08 16.18 0.75 0.86
7 A 1285 1272 4.02 5.39 0.44 0.61
8 A 936 927 7.71 4.03 0.46 0.63
9 A 931 921 4.79 3.80 0.68 0.81
10 A 849 841 7.08 23.80 0.57 0.72
11 A 677 670 2.69 8.61 0.23 0.38
12 A 503 498 0.65 9.38 0.19 0.32
13 A 334 331 14.63 3.82 0.75 0.86
14 A 231 229 0.32 5.34 0.54 0.70
15 A 160 158 0.48 0.01 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10216.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 10111.2 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.56164 0.14370 0.11995

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.665 0.680 -0.005
S2 -0.472 -0.703 0.016
S3 1.358 0.245 -0.089
H4 1.577 0.455 1.241
H5 -1.519 1.305 -0.897
H6 -2.661 0.209 -0.047
H7 -1.586 1.285 0.908

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82643.05573.48091.09861.10231.0991
S21.82642.06472.65412.44162.37232.4478
S33.05572.06471.36403.17074.02003.2785
H43.48092.65411.36403.85704.43683.2877
H51.09862.44163.17073.85701.79631.8066
H61.10232.37234.02004.43681.79631.7961
H71.09912.44783.27853.28771.80661.7961

picture of Hydrogen methyl disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 S3 103.328 S2 C1 H5 110.703
S2 C1 H6 105.514 S2 C1 H7 111.143
S2 S3 H4 99.408 H5 C1 H6 109.409
H5 C1 H7 110.582 H6 C1 H7 109.351
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.409      
2 S -0.054      
3 S -0.206      
4 H 0.179      
5 H 0.168      
6 H 0.163      
7 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.109 1.262 0.841 1.878
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.375 -0.303 1.701
y -0.303 -34.484 0.624
z 1.701 0.624 -32.755
Traceless
 xyz
x 3.244 -0.303 1.701
y -0.303 -2.919 0.624
z 1.701 0.624 -0.325
Polar
3z2-r2-0.650
x2-y24.109
xy-0.303
xz1.701
yz0.624


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.621 0.359 0.179
y 0.359 6.323 0.086
z 0.179 0.086 5.611


<r2> (average value of r2) Å2
<r2> 103.005
(<r2>)1/2 10.149