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All results from a given calculation for C5H6S (Thiophene, 2-methyl-)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-591.877119
Energy at 298.15K-591.883097
Nuclear repulsion energy270.791583
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 PBEPBEultrafine/6-31G*
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 3203 3150 0.91      
2 A 3159 3107 7.57      
3 A 3142 3090 8.31      
4 A 3069 3018 10.71      
5 A 2978 2929 32.59      
6 A 1563 1538 2.77      
7 A 1481 1456 1.83      
8 A 1470 1446 11.22      
9 A 1392 1369 0.08      
10 A 1358 1336 1.06      
11 A 1228 1208 10.29      
12 A 1164 1144 10.98      
13 A 1079 1061 2.17      
14 A 1050 1033 4.56      
15 A 972 956 1.89      
16 A 839 825 11.04      
17 A 730 718 0.25      
18 A 654 644 1.79      
19 A 539 531 0.71      
20 A 296 291 0.83      
21 A 3035 2985 14.03      
22 A 1460 1436 8.50      
23 A 1032 1015 1.49      
24 A 859 844 0.36      
25 A 788 775 12.01      
26 A 669 658 57.33      
27 A 555 546 0.95      
28 A 458 451 4.75      
29 A 224 220 2.56      
30 A 101 99 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 20272.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 19938.4 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 PBEPBEultrafine/6-31G*
ABC
0.17340 0.10243 0.06519

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.404 -1.561 0.000
C2 -1.444 -1.038 0.000
H3 -2.157 1.078 0.000
C4 -1.310 0.385 0.000
C5 0.000 0.821 0.000
H6 -0.028 -2.757 0.000
C7 -0.231 -1.686 0.000
S8 1.089 -0.553 0.000
H9 -0.325 2.935 0.000
H10 1.139 2.444 0.890
H11 1.139 2.444 -0.890
C12 0.521 2.228 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09302.65012.23293.38422.66052.17723.63554.95355.42045.42044.7863
C21.09302.23261.43002.35422.22721.37572.57914.12804.42584.42583.8115
H32.65012.23261.09392.17184.38593.36873.63182.60863.67673.67672.9139
C42.23291.43001.09391.38023.39372.33572.57542.73333.32033.32032.5971
C53.38422.35422.17181.38023.57782.51761.75272.13902.17312.17311.5001
H62.66052.22724.38593.39373.57781.08982.47085.69965.40345.40345.0146
C72.17721.37573.36872.33572.51761.08981.73944.62214.44094.44093.9853
S83.63552.57913.63182.57541.75272.47081.73943.76333.12593.12592.8378
H94.95354.12802.60862.73332.13905.69964.62213.76331.78231.78231.1024
H105.42044.42583.67673.32032.17315.40344.44093.12591.78231.77991.1049
H115.42044.42583.67673.32032.17315.40344.44093.12591.78231.77991.1049
C124.78633.81152.91392.59711.50015.01463.98532.83781.10241.10491.1049

picture of Thiophene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 123.965 H1 C2 C7 123.340
C2 C4 H3 123.867 C2 C4 C5 113.792
C2 C7 H6 128.828 C2 C7 S8 111.240
H3 C4 C5 122.340 C4 C2 C7 112.695
C4 C5 S8 110.009 C4 C5 C12 128.705
C5 S8 C7 92.264 C5 C12 H9 109.601
C5 C12 H10 112.172 C5 C12 H11 112.172
H6 C7 S8 119.932 S8 C5 C12 121.287
H9 C12 H10 107.692 H9 C12 H11 107.692
H10 C12 H11 107.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.146      
2 C -0.103      
3 H 0.139      
4 C -0.123      
5 C -0.125      
6 H 0.179      
7 C -0.373      
8 S 0.259      
9 H 0.180      
10 H 0.184      
11 H 0.184      
12 C -0.548      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.461 0.543 0.000 0.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.767 0.747 0.000
y 0.747 -36.771 0.000
z 0.000 0.000 -45.652
Traceless
 xyz
x 0.444 0.747 0.000
y 0.747 6.438 0.000
z 0.000 0.000 -6.882
Polar
3z2-r2-13.765
x2-y2-3.996
xy0.747
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.352 0.490 0.000
y 0.490 12.118 0.000
z 0.000 0.000 5.021


<r2> (average value of r2) Å2
<r2> 178.959
(<r2>)1/2 13.378