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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-438.566768
Energy at 298.15K-438.570620
HF Energy-438.445165
Nuclear repulsion energy56.240026
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/aug-cc-pVTZ
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' 3163 3040 5.82 54.36 0.75 0.86
2 A' 3076 2956 22.65 157.16 0.00 0.01
3 A' 2715 2609 2.09 127.68 0.21 0.35
4 A' 1504 1446 7.21 4.11 0.75 0.86
5 A' 1369 1316 6.07 0.43 0.05 0.10
6 A' 1104 1061 10.04 1.79 0.65 0.79
7 A' 804 772 0.34 6.44 0.20 0.33
8 A' 712 684 1.76 16.41 0.18 0.30
9 A" 3165 3042 5.28 64.15 0.75 0.86
10 A" 1491 1433 4.31 3.98 0.75 0.86
11 A" 983 945 3.97 0.08 0.75 0.86
12 A" 232 223 10.74 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10158.7 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 9762.5 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/aug-cc-pVTZ
ABC
3.45261 0.42866 0.41113

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.158 0.000
S2 -0.048 -0.667 0.000
H3 1.282 -0.832 0.000
H4 -1.092 1.459 0.000
H5 0.432 1.548 0.892
H6 0.432 1.548 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82452.39341.08641.08521.0852
S21.82451.34052.36812.43552.4355
H32.39341.34053.29922.68052.6805
H41.08642.36813.29921.76741.7674
H51.08522.43552.68051.76741.7835
H61.08522.43552.68051.76741.7835

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.080 S2 C1 H4 106.094
S2 C1 H5 111.098 S2 C1 H6 111.098
H4 C1 H5 108.947 H4 C1 H6 108.947
H5 C1 H6 110.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.733      
2 S -0.169      
3 H 0.122      
4 H 0.269      
5 H 0.256      
6 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.689 1.400 0.000 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.433 -1.196 -0.002
y -1.196 -20.582 -0.001
z -0.002 -0.001 -22.823
Traceless
 xyz
x 2.269 -1.196 -0.002
y -1.196 0.546 -0.001
z -0.002 -0.001 -2.815
Polar
3z2-r2-5.630
x2-y21.149
xy-1.196
xz-0.002
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.022 -0.167 0.000
y -0.167 6.390 -0.003
z 0.000 -0.003 5.013


<r2> (average value of r2) Å2
<r2> 40.702
(<r2>)1/2 6.380