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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-436.260768
Energy at 298.15K-436.264574
HF Energy-436.209567
Nuclear repulsion energy54.535670
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 B2PLYP/3-21G
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' 3223 3223 3.61 56.15 0.75 0.86
2 A' 3124 3124 16.11 94.45 0.01 0.02
3 A' 2475 2475 35.37 138.09 0.38 0.55
4 A' 1566 1566 10.39 19.30 0.75 0.86
5 A' 1416 1416 6.84 0.87 0.64 0.78
6 A' 1109 1109 22.77 24.34 0.73 0.84
7 A' 795 795 2.88 12.48 0.71 0.83
8 A' 643 643 5.03 23.85 0.31 0.48
9 A" 3222 3222 7.54 58.01 0.75 0.86
10 A" 1563 1563 9.80 22.70 0.75 0.86
11 A" 994 994 7.01 11.42 0.75 0.86
12 A" 224 224 23.82 15.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10176.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10176.4 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 B2PLYP/3-21G
ABC
3.35498 0.39666 0.38079

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.214 0.000
S2 -0.050 -0.694 0.000
H3 1.313 -0.846 0.000
H4 -1.099 1.501 0.000
H5 0.440 1.582 0.898
H6 0.440 1.582 -0.898

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.90852.47041.08751.08711.0871
S21.90851.37162.43292.49562.4956
H32.47041.37163.36552.73242.7324
H41.08752.43293.36551.78331.7833
H51.08712.49562.73241.78331.7969
H61.08712.49562.73241.78331.7969

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.351 S2 C1 H4 105.284
S2 C1 H5 109.774 S2 C1 H6 109.774
H4 C1 H5 110.180 H4 C1 H6 110.180
H5 C1 H6 111.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.776      
2 S 0.010      
3 H 0.072      
4 H 0.237      
5 H 0.228      
6 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.096 1.637 0.000 1.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.680 -1.571 -0.003
y -1.571 -20.843 -0.010
z -0.003 -0.010 -22.803
Traceless
 xyz
x 2.143 -1.571 -0.003
y -1.571 0.399 -0.010
z -0.003 -0.010 -2.542
Polar
3z2-r2-5.083
x2-y21.163
xy-1.571
xz-0.003
yz-0.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.779 -0.310 0.001
y -0.310 4.799 0.001
z 0.001 0.001 2.368


<r2> (average value of r2) Å2
<r2> 42.704
(<r2>)1/2 6.535