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return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for (Methanethiol cation)

using model chemistry: wB97X-D/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVDZ
 hartrees
Energy at 0K-438.692611
Energy at 298.15K-438.696456
HF Energy-438.692611
Nuclear repulsion energy56.030501
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 wB97X-D/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' 3175 3039 6.55 53.38 0.75 0.86
2 A' 3072 2941 24.75 149.85 0.00 0.00
3 A' 2711 2595 2.99 122.47 0.22 0.36
4 A' 1458 1396 7.66 4.12 0.75 0.86
5 A' 1339 1282 4.86 0.27 0.11 0.20
6 A' 1087 1041 9.85 2.09 0.71 0.83
7 A' 796 762 0.34 8.21 0.19 0.32
8 A' 722 691 2.47 15.02 0.19 0.32
9 A" 3176 3041 6.21 61.77 0.75 0.86
10 A" 1449 1387 5.03 3.76 0.75 0.86
11 A" 966 924 4.62 0.13 0.75 0.86
12 A" 232 222 12.91 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10091.6 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 9660.6 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 wB97X-D/aug-cc-pVDZ
ABC
3.39581 0.42716 0.40953

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.158 0.000
S2 -0.048 -0.668 0.000
H3 1.293 -0.836 0.000
H4 -1.101 1.465 0.000
H5 0.434 1.554 0.900
H6 0.434 1.554 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82582.40311.09611.09511.0951
S21.82581.35192.37802.44492.4449
H32.40311.35193.32002.69402.6940
H41.09612.37803.32001.78131.7813
H51.09512.44492.69401.78131.7999
H61.09512.44492.69401.78131.7999

picture of Methanethiol cation state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.141 S2 C1 H4 106.250
S2 C1 H5 111.180 S2 C1 H6 111.180
H4 C1 H5 108.774 H4 C1 H6 108.774
H5 C1 H6 110.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.268      
2 S 0.106      
3 H 0.055      
4 H -0.148      
5 H -0.140      
6 H -0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.763 1.470 0.000 1.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.180 -1.299 0.000
y -1.299 -20.314 0.000
z 0.000 0.000 -22.689
Traceless
 xyz
x 2.322 -1.299 0.000
y -1.299 0.620 0.000
z 0.000 0.000 -2.942
Polar
3z2-r2-5.884
x2-y21.134
xy-1.299
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.956 -0.166 0.000
y -0.166 6.301 0.000
z 0.000 0.000 4.883


<r2> (average value of r2) Å2
<r2> 40.731
(<r2>)1/2 6.382