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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/aug-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 B2PLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-438.517082
Energy at 298.15K-438.520916
HF Energy-438.416551
Nuclear repulsion energy55.832930
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-pVDZ
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' 3174 3174 6.95 55.78 0.75 0.86
2 A' 3076 3076 24.37 154.91 0.00 0.00
3 A' 2701 2701 3.20 130.68 0.22 0.36
4 A' 1467 1467 6.62 4.48 0.75 0.86
5 A' 1339 1339 7.39 0.27 0.08 0.15
6 A' 1088 1088 9.61 2.15 0.70 0.83
7 A' 794 794 0.34 7.62 0.21 0.34
8 A' 706 706 2.38 17.02 0.19 0.31
9 A" 3176 3176 6.43 65.59 0.75 0.86
10 A" 1456 1456 4.05 4.02 0.75 0.86
11 A" 966 966 4.28 0.12 0.75 0.86
12 A" 230 230 11.46 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10085.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10085.8 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-pVDZ
ABC
3.39116 0.42305 0.40569

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.165 0.000
S2 -0.048 -0.671 0.000
H3 1.294 -0.835 0.000
H4 -1.101 1.469 0.000
H5 0.435 1.559 0.900
H6 0.435 1.559 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83612.40841.09611.09501.0950
S21.83611.35252.38522.45342.4534
H32.40841.35253.32352.69832.6983
H41.09612.38523.32351.78251.7825
H51.09502.45342.69831.78251.8003
H61.09502.45342.69831.78251.8003

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.939 S2 C1 H4 106.104
S2 C1 H5 111.117 S2 C1 H6 111.117
H4 C1 H5 108.886 H4 C1 H6 108.886
H5 C1 H6 110.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.397      
2 S 0.134      
3 H 0.038      
4 H -0.196      
5 H -0.187      
6 H -0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.720 1.418 0.000 1.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.532 -1.241 -0.002
y -1.241 -20.694 -0.002
z -0.002 -0.002 -23.012
Traceless
 xyz
x 2.321 -1.241 -0.002
y -1.241 0.578 -0.002
z -0.002 -0.002 -2.899
Polar
3z2-r2-5.798
x2-y21.162
xy-1.241
xz-0.002
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.975 -0.174 0.000
y -0.174 6.385 -0.002
z 0.000 -0.002 4.900


<r2> (average value of r2) Å2
<r2> 41.172
(<r2>)1/2 6.417