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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-591.894884
Energy at 298.15K-591.900867
Nuclear repulsion energy270.692768
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 PBEPBE/6-31+G**
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 3201 3165 0.50      
2 A 3160 3124 6.01      
3 A 3142 3107 7.63      
4 A 3066 3031 10.83      
5 A 2974 2940 36.18      
6 A 1546 1528 2.39      
7 A 1465 1448 7.86      
8 A 1446 1430 10.49      
9 A 1370 1354 0.16      
10 A 1344 1329 1.63      
11 A 1216 1202 11.16      
12 A 1155 1142 9.94      
13 A 1070 1058 3.41      
14 A 1042 1030 5.55      
15 A 961 950 1.93      
16 A 835 825 12.23      
17 A 727 719 0.36      
18 A 653 646 1.46      
19 A 539 532 0.51      
20 A 297 294 0.87      
21 A 3034 3000 11.23      
22 A 1434 1417 10.43      
23 A 1018 1006 0.49      
24 A 858 848 0.21      
25 A 786 777 17.16      
26 A 667 659 79.47      
27 A 552 546 0.66      
28 A 458 453 6.45      
29 A 224 221 3.33      
30 A 97 96 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 20167.4 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 19937.5 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 PBEPBE/6-31+G**
ABC
0.17320 0.10238 0.06514

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.403 -1.565 0.000
C2 -1.445 -1.040 0.000
H3 -2.159 1.076 0.000
C4 -1.312 0.385 0.000
C5 0.000 0.821 0.000
H6 -0.024 -2.757 0.000
C7 -0.228 -1.687 0.000
S8 1.089 -0.551 0.000
H9 -0.325 2.934 0.000
H10 1.137 2.443 0.890
H11 1.137 2.443 -0.890
C12 0.520 2.229 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09232.65282.23453.38642.66132.17823.63654.95575.42135.42134.7895
C21.09232.23351.43122.35632.22901.37812.58124.12894.42654.42653.8142
H32.65282.23351.09322.17384.38773.37073.63302.60993.67743.67742.9164
C42.23451.43121.09321.38263.39562.33792.57732.73343.32073.32072.5994
C53.38642.35632.17381.38263.57772.51801.75202.13812.17182.17181.5008
H62.66132.22904.38773.39563.57771.08942.47025.69885.40155.40155.0149
C72.17821.37813.37072.33792.51801.08941.73934.62194.43984.43983.9863
S83.63652.58123.63302.57731.75202.47021.73933.76163.12413.12412.8375
H94.95574.12892.60992.73342.13815.69884.62193.76161.78131.78131.1015
H105.42134.42653.67743.32072.17185.40154.43983.12411.78131.78001.1039
H115.42134.42653.67743.32072.17185.40154.43983.12411.78131.78001.1039
C124.78953.81422.91642.59941.50085.01493.98632.83751.10151.10391.1039

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 124.072 H1 C2 C7 123.288
C2 C4 H3 123.896 C2 C4 C5 113.728
C2 C7 H6 128.822 C2 C7 S8 111.263
H3 C4 C5 122.376 C4 C2 C7 112.640
C4 C5 S8 110.057 C4 C5 C12 128.673
C5 S8 C7 92.312 C5 C12 H9 109.540
C5 C12 H10 112.080 C5 C12 H11 112.080
H6 C7 S8 119.916 S8 C5 C12 121.270
H9 C12 H10 107.746 H9 C12 H11 107.746
H10 C12 H11 107.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.148      
2 C -0.253      
3 H 0.143      
4 C 0.041      
5 C 0.058      
6 H 0.178      
7 C -0.151      
8 S -0.039      
9 H 0.182      
10 H 0.190      
11 H 0.190      
12 C -0.686      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.341 0.644 0.000 0.729
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.772 0.667 0.000
y 0.667 -37.874 0.000
z 0.000 0.000 -47.071
Traceless
 xyz
x 0.700 0.667 0.000
y 0.667 6.547 0.000
z 0.000 0.000 -7.248
Polar
3z2-r2-14.496
x2-y2-3.898
xy0.667
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.825 0.476 0.000
y 0.476 13.504 0.000
z 0.000 0.000 7.449


<r2> (average value of r2) Å2
<r2> 179.786
(<r2>)1/2 13.408