return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-591.909051
Energy at 298.15K-591.915078
Nuclear repulsion energy267.811040
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/cc-pVDZ
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' 3187 3168 0.57      
2 A' 3178 3159 0.71      
3 A' 3137 3119 4.41      
4 A' 3068 3050 11.92      
5 A' 2966 2949 33.22      
6 A' 1555 1546 3.54      
7 A' 1446 1437 8.81      
8 A' 1411 1402 2.21      
9 A' 1375 1367 5.84      
10 A' 1340 1333 0.64      
11 A' 1198 1191 2.71      
12 A' 1132 1125 3.18      
13 A' 1051 1045 3.86      
14 A' 968 962 10.09      
15 A' 920 915 2.19      
16 A' 846 841 13.65      
17 A' 815 811 4.46      
18 A' 649 645 0.37      
19 A' 533 529 0.29      
20 A' 313 312 0.88      
21 A" 3030 3013 13.73      
22 A" 1403 1395 6.14      
23 A" 1005 999 3.70      
24 A" 845 840 0.12      
25 A" 736 731 59.34      
26 A" 646 642 1.39      
27 A" 588 584 10.32      
28 A" 448 445 0.19      
29 A" 228 227 3.07      
30 A" 110 110 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 20063.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19946.7 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 PBEPBE/cc-pVDZ
ABC
0.22882 0.08048 0.06022

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.233 0.808 0.000
C2 -1.260 0.297 0.000
C3 0.000 0.992 0.000
C4 1.062 0.107 0.000
H5 -1.917 -1.836 0.000
C6 -1.129 -1.074 0.000
S7 0.542 -1.554 0.000
H8 1.196 2.804 0.000
H9 -0.351 2.940 0.892
H10 -0.351 2.940 -0.892
C11 0.134 2.491 0.000
H12 2.133 0.341 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09882.24023.36892.66292.18163.64433.96712.97972.97972.90414.3910
C21.09881.43862.33002.23241.37772.58383.50902.93302.93302.59903.3934
C32.24021.43861.38283.41652.35472.60342.17112.17082.17081.50502.2306
C43.36892.33001.38283.55692.48991.74072.70063.28923.28922.55851.0962
H52.66292.23243.41653.55691.09572.47545.58755.10445.10444.78864.5982
C62.18161.37772.35472.48991.09571.73954.52204.18474.18473.78253.5565
S73.64432.58382.60341.74072.47541.73954.40724.66804.66804.06592.4743
H83.96713.50902.17112.70065.58754.52204.40721.79091.79091.10682.6360
H92.97972.93302.17083.28925.10444.18474.66801.79091.78401.11023.7047
H102.97972.93302.17083.28925.10444.18474.66801.79091.78401.11023.7047
C112.90412.59901.50502.55854.78863.78254.06591.10681.11021.11022.9362
H124.39103.39342.23061.09624.59823.55652.47432.63603.70473.70472.9362

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 123.435 H1 C2 C6 123.115
C2 C3 C4 111.329 C2 C3 C11 123.982
C2 C6 H5 128.638 C2 C6 S7 111.445
C3 C2 C6 113.451 C3 C4 S7 112.414
C3 C4 H12 127.887 C3 C11 H8 111.548
C3 C11 H9 111.318 C3 C11 H10 111.318
C4 C3 C11 124.688 C4 S7 C6 91.361
H5 C6 S7 119.918 S7 C4 H12 119.699
H8 C11 H9 107.758 H8 C11 H10 107.758
H9 C11 H10 106.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.027      
2 C 0.045      
3 C -0.046      
4 C -0.157      
5 H 0.021      
6 C -0.125      
7 S 0.141      
8 H 0.031      
9 H 0.051      
10 H 0.051      
11 C 0.008      
12 H 0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.255 0.780 0.000 0.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.910 1.265 0.000
y 1.265 -40.157 0.000
z 0.000 0.000 -45.999
Traceless
 xyz
x 4.168 1.265 0.000
y 1.265 2.297 0.000
z 0.000 0.000 -6.465
Polar
3z2-r2-12.930
x2-y21.247
xy1.265
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.033 -0.287 0.000
y -0.287 13.320 0.000
z 0.000 0.000 5.078


<r2> (average value of r2) Å2
<r2> 189.877
(<r2>)1/2 13.780