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All results from a given calculation for C5H6S (Thiophene, 3-methyl-)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-592.201418
Energy at 298.15K-592.207594
Nuclear repulsion energy269.869740
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 B3PW91/6-31G*
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' 3281 3139 0.87      
2 A' 3271 3130 0.92      
3 A' 3226 3086 6.15      
4 A' 3146 3010 15.54      
5 A' 3052 2920 33.07      
6 A' 1621 1551 2.77      
7 A' 1523 1457 10.86      
8 A' 1483 1419 4.39      
9 A' 1443 1381 2.39      
10 A' 1428 1366 2.45      
11 A' 1268 1213 3.62      
12 A' 1197 1145 2.11      
13 A' 1118 1070 3.97      
14 A' 1021 977 9.20      
15 A' 954 913 3.09      
16 A' 880 842 15.16      
17 A' 850 813 7.68      
18 A' 669 640 0.51      
19 A' 548 525 0.48      
20 A' 320 306 0.87      
21 A" 3112 2977 19.11      
22 A" 1509 1444 6.67      
23 A" 1070 1024 4.41      
24 A" 890 851 0.01      
25 A" 779 745 73.37      
26 A" 686 656 3.67      
27 A" 607 581 9.81      
28 A" 461 441 0.15      
29 A" 235 225 2.86      
30 A" 111 106 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 20879.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19975.1 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 B3PW91/6-31G*
ABC
0.23217 0.08162 0.06108

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.216 0.792 0.000
C2 -1.253 0.289 0.000
C3 0.000 0.982 0.000
C4 1.053 0.107 0.000
H5 -1.899 -1.821 0.000
C6 -1.120 -1.070 0.000
S7 0.540 -1.541 0.000
H8 1.182 2.785 0.000
H9 -0.345 2.921 0.883
H10 -0.345 2.921 -0.883
C11 0.132 2.478 0.000
H12 2.110 0.343 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08592.22403.34012.63162.16003.61053.94002.96832.96832.89104.3491
C21.08591.43252.31392.20641.36522.56213.48802.92082.92082.59083.3639
C32.22401.43251.36963.38622.33812.58072.15612.15772.15771.50122.2048
C43.34012.31391.36963.52652.47181.72642.68143.26383.26382.54331.0828
H52.63162.20643.38623.52651.08222.45525.54225.06735.06734.75474.5563
C62.16001.36522.33812.47181.08221.72564.49054.15994.15993.76233.5258
S73.61052.56212.58071.72642.45521.72564.37404.63384.63384.03962.4529
H83.94003.48802.15612.68145.54224.49054.37401.76971.76971.09412.6124
H92.96832.92082.15773.26385.06734.15994.63381.76971.76521.09713.6677
H102.96832.92082.15773.26385.06734.15994.63381.76971.76521.09713.6677
C112.89102.59081.50122.54334.75473.76234.03961.09411.09711.09712.9099
H124.34913.36392.20481.08284.55633.52582.45292.61243.66773.66772.9099

picture of Thiophene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 123.454 H1 C2 C6 123.184
C2 C3 C4 111.314 C2 C3 C11 124.025
C2 C6 H5 128.344 C2 C6 S7 111.451
C3 C2 C6 113.362 C3 C4 S7 112.418
C3 C4 H12 127.678 C3 C11 H8 111.389
C3 C11 H9 111.332 C3 C11 H10 111.332
C4 C3 C11 124.661 C4 S7 C6 91.456
H5 C6 S7 120.205 S7 C4 H12 119.904
H8 C11 H9 107.729 H8 C11 H10 107.729
H9 C11 H10 107.123
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.167     0.172
2 C -0.143     -0.271
3 C 0.164     0.319
4 C -0.440     -0.406
5 H 0.203     0.217
6 C -0.398     -0.247
7 S 0.281     0.047
8 H 0.180     0.124
9 H 0.186     0.137
10 H 0.186     0.137
11 C -0.581     -0.473
12 H 0.197     0.243


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.364 0.909 0.000 0.979
CHELPG        
AIM        
ESP -0.382 0.888 0.000 0.966


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.027 1.563 0.000
y 1.563 -39.930 0.000
z 0.000 0.000 -45.667
Traceless
 xyz
x 4.772 1.563 0.000
y 1.563 1.917 0.000
z 0.000 0.000 -6.688
Polar
3z2-r2-13.376
x2-y21.903
xy1.563
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 187.232
(<r2>)1/2 13.683