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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-438.463650
Energy at 298.15K-438.467469
HF Energy-438.463650
Nuclear repulsion energy55.644540
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3092 3074 4.92 72.37 0.75 0.86
2 A' 2985 2968 24.48 146.44 0.00 0.01
3 A' 2600 2585 7.96 138.44 0.31 0.47
4 A' 1407 1399 7.86 14.51 0.75 0.86
5 A' 1282 1274 7.87 3.91 0.41 0.58
6 A' 1048 1042 12.42 12.10 0.73 0.84
7 A' 772 768 0.32 9.85 0.42 0.59
8 A' 691 687 2.20 7.77 0.25 0.41
9 A" 3085 3067 8.16 77.01 0.75 0.86
10 A" 1397 1389 4.71 15.47 0.75 0.86
11 A" 927 921 6.41 6.10 0.75 0.86
12 A" 249 248 15.95 9.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9767.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 9710.4 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/cc-pVDZ
ABC
3.32677 0.42252 0.40488

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.163 0.000
S2 -0.048 -0.672 0.000
H3 1.310 -0.829 0.000
H4 -1.113 1.465 0.000
H5 0.434 1.571 0.909
H6 0.434 1.571 -0.909

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83472.41071.10681.10661.1066
S21.83471.36712.38742.46732.4673
H32.41071.36713.33652.71142.7114
H41.10682.38743.33651.79721.7972
H51.10662.46732.71141.79721.8173
H61.10662.46732.71141.79721.8173

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.597 S2 C1 H4 105.835
S2 C1 H5 111.629 S2 C1 H6 111.629
H4 C1 H5 108.578 H4 C1 H6 108.578
H5 C1 H6 110.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 S -0.131      
3 H 0.087      
4 H 0.080      
5 H 0.074      
6 H 0.074      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.790 1.284 0.000 1.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.961 -1.269 0.000
y -1.269 -20.096 0.000
z 0.000 0.000 -22.217
Traceless
 xyz
x 2.196 -1.269 0.000
y -1.269 0.493 0.000
z 0.000 0.000 -2.689
Polar
3z2-r2-5.377
x2-y21.135
xy-1.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.130 -0.273 0.000
y -0.273 5.186 0.000
z 0.000 0.000 2.985


<r2> (average value of r2) Å2
<r2> 40.894
(<r2>)1/2 6.395