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All results from a given calculation for CH3SCH3 (Dimethyl sulfide)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-478.002082
Energy at 298.15K 
HF Energy-478.002082
Nuclear repulsion energy110.839860
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 B3PW91/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 A1 3138 3017 10.97      
2 A1 3034 2918 31.78      
3 A1 1479 1422 0.51      
4 A1 1357 1305 0.40      
5 A1 1049 1008 11.54      
6 A1 702 675 2.78      
7 A1 261 251 0.10      
8 A2 3118 2998 0.00      
9 A2 1456 1400 0.00      
10 A2 949 912 0.00      
11 A2 182 175 0.00      
12 B1 3110 2991 29.20      
13 B1 1465 1408 14.82      
14 B1 985 947 5.76      
15 B1 179 172 1.25      
16 B2 3139 3018 2.15      
17 B2 3037 2921 29.44      
18 B2 1471 1415 16.96      
19 B2 1334 1282 4.36      
20 B2 909 874 0.52      
21 B2 755 726 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 16553.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 15917.7 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 B3PW91/cc-pVTZ
ABC
0.60087 0.25050 0.18956

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.655
C2 0.000 1.383 -0.509
C3 0.000 -1.383 -0.509
H4 0.000 2.297 0.083
H5 0.000 -2.297 0.083
H6 0.892 1.370 -1.136
H7 -0.892 1.370 -1.136
H8 -0.892 -1.370 -1.136
H9 0.892 -1.370 -1.136

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7 H8 H9
S11.80731.80732.36712.36712.42492.42492.42492.4249
C21.80732.76541.08933.72711.09061.09062.96082.9608
C31.80732.76543.72711.08932.96082.96081.09061.0906
H42.36711.08933.72714.59411.77241.77243.96603.9660
H52.36713.72711.08934.59413.96603.96601.77241.7724
H62.42491.09062.96081.77243.96601.78463.26992.7400
H72.42491.09062.96081.77243.96601.78462.74003.2699
H82.42492.96081.09063.96601.77243.26992.74001.7846
H92.42492.96081.09063.96601.77242.74003.26991.7846

picture of Dimethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H4 106.987 S1 C2 H6 111.178
S1 C2 H7 111.178 S1 C3 H5 106.987
S1 C3 H8 111.178 S1 C3 H9 111.178
C2 S1 C3 99.823 H4 C2 H6 108.798
H4 C2 H7 108.798 H5 C3 H8 108.798
H5 C3 H9 108.798 H6 C2 H7 109.806
H8 C3 H9 109.806
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.095      
2 C -0.261      
3 C -0.261      
4 H 0.107      
5 H 0.107      
6 H 0.100      
7 H 0.100      
8 H 0.100      
9 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.600 1.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.449 0.000 0.000
y 0.000 -23.919 0.000
z 0.000 0.000 -28.232
Traceless
 xyz
x -2.373 0.000 0.000
y 0.000 4.421 0.000
z 0.000 0.000 -2.048
Polar
3z2-r2-4.096
x2-y2-4.530
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.164 0.000 0.000
y 0.000 7.989 0.000
z 0.000 0.000 6.508


<r2> (average value of r2) Å2
<r2> 76.114
(<r2>)1/2 8.724