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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBEultrafine/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 CS 1A'
Energy calculated at PBEPBEultrafine/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.501504
Energy at 298.15K-438.505442
HF Energy-438.501504
Nuclear repulsion energy56.060503
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/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' 3072 3072 5.43      
2 A' 2986 2986 22.84      
3 A' 2619 2619 2.08      
4 A' 1433 1433 8.14      
5 A' 1302 1302 4.21      
6 A' 1058 1058 9.73      
7 A' 776 776 0.24      
8 A' 691 691 1.23      
9 A" 3071 3071 5.07      
10 A" 1420 1420 4.49      
11 A" 939 939 4.89      
12 A" 231 231 10.60      

Unscaled Zero Point Vibrational Energy (zpe) 9798.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9798.1 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/aug-cc-pV(T+d)Z
ABC
3.39506 0.42788 0.41018

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.667 0.000
H3 1.294 -0.831 0.000
H4 -1.102 1.458 0.000
H5 0.431 1.557 0.900
H6 0.431 1.557 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82392.39831.09651.09541.0954
S21.82391.35232.37252.44682.4468
H32.39831.35233.31412.69382.6938
H41.09652.37253.31411.78081.7808
H51.09542.44682.69381.78081.8001
H61.09542.44682.69381.78081.8001

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.948 S2 C1 H4 105.961
S2 C1 H5 111.435 S2 C1 H6 111.435
H4 C1 H5 108.667 H4 C1 H6 108.667
H5 C1 H6 110.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.520      
2 S -0.166      
3 H 0.087      
4 H 0.208      
5 H 0.195      
6 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.657 1.384 0.000 1.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.400 -1.164 0.000
y -1.164 -20.501 0.000
z 0.000 0.000 -22.783
Traceless
 xyz
x 2.241 -1.164 0.000
y -1.164 0.591 0.000
z 0.000 0.000 -2.832
Polar
3z2-r2-5.664
x2-y21.101
xy-1.164
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.209 -0.168 0.000
y -0.168 6.638 0.000
z 0.000 0.000 5.241


<r2> (average value of r2) Å2
<r2> 40.799
(<r2>)1/2 6.387