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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-436.458844
Energy at 298.15K-436.462586
HF Energy-436.458844
Nuclear repulsion energy53.911701
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 BLYP/3-21G
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' 3116 3099 6.05 55.82 0.75 0.86
2 A' 3019 3003 17.33 101.80 0.01 0.01
3 A' 2364 2351 44.61 127.82 0.38 0.55
4 A' 1508 1500 9.98 19.28 0.75 0.86
5 A' 1350 1343 8.01 1.88 0.51 0.68
6 A' 1063 1057 20.39 24.94 0.74 0.85
7 A' 765 761 2.00 12.39 0.68 0.81
8 A' 603 600 5.37 19.28 0.32 0.49
9 A" 3112 3095 11.31 59.20 0.75 0.86
10 A" 1507 1499 8.64 22.81 0.75 0.86
11 A" 948 943 7.81 12.96 0.75 0.86
12 A" 217 216 21.51 15.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9786.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9732.3 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 BLYP/3-21G
ABC
3.28072 0.38724 0.37171

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.230 0.000
S2 -0.050 -0.703 0.000
H3 1.332 -0.841 0.000
H4 -1.110 1.513 0.000
H5 0.443 1.598 0.907
H6 0.443 1.598 -0.907

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.93362.49051.09641.09631.0963
S21.93361.38892.45642.52262.5226
H32.49051.38893.39172.75062.7506
H41.09642.45643.39171.80031.8003
H51.09632.52262.75061.80031.8149
H61.09632.52262.75061.80031.8149

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 95.713 S2 C1 H4 104.935
S2 C1 H5 109.607 S2 C1 H6 109.607
H4 C1 H5 110.370 H4 C1 H6 110.370
H5 C1 H6 111.729
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.733      
2 S -0.004      
3 H 0.072      
4 H 0.227      
5 H 0.219      
6 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.048 1.628 0.000 1.936
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.459 -1.494 0.000
y -1.494 -20.552 0.000
z 0.000 0.000 -22.632
Traceless
 xyz
x 2.133 -1.494 0.000
y -1.494 0.494 0.000
z 0.000 0.000 -2.627
Polar
3z2-r2-5.254
x2-y21.093
xy-1.494
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.850 -0.280 0.000
y -0.280 4.904 0.000
z 0.000 0.000 2.411


<r2> (average value of r2) Å2
<r2> 43.243
(<r2>)1/2 6.576