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: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-590.431825
Energy at 298.15K-590.438434
Nuclear repulsion energy271.683580
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 HF/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 A' 3393 3088 2.23      
2 A' 3383 3079 2.21      
3 A' 3339 3039 7.37      
4 A' 3237 2946 25.32      
5 A' 3159 2875 39.25      
6 A' 1753 1595 4.14      
7 A' 1613 1468 11.87      
8 A' 1583 1441 6.87      
9 A' 1542 1403 1.07      
10 A' 1514 1378 5.81      
11 A' 1367 1244 3.57      
12 A' 1267 1153 1.93      
13 A' 1196 1089 2.35      
14 A' 1091 993 6.56      
15 A' 1001 911 2.95      
16 A' 916 833 11.18      
17 A' 884 804 20.28      
18 A' 705 642 1.01      
19 A' 576 524 1.14      
20 A' 341 310 0.95      
21 A" 3204 2916 28.64      
22 A" 1600 1456 5.64      
23 A" 1160 1056 1.83      
24 A" 1035 942 0.12      
25 A" 886 806 68.95      
26 A" 800 728 14.13      
27 A" 657 598 13.91      
28 A" 492 448 0.29      
29 A" 251 229 2.80      
30 A" 138 126 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 22041.5 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 20060.0 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 HF/cc-pVTZ
ABC
0.23501 0.08262 0.06182

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.206 0.748 0.000
C2 -1.251 0.260 0.000
C3 0.000 0.971 0.000
C4 1.045 0.126 0.000
H5 -1.869 -1.816 0.000
C6 -1.101 -1.073 0.000
S7 0.557 -1.526 0.000
H8 1.127 2.795 0.000
H9 -0.390 2.889 0.874
H10 -0.390 2.889 -0.874
C11 0.095 2.470 0.000
H12 2.083 0.381 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.07252.21693.30942.58602.12983.57823.91102.94032.94032.87394.3046
C21.07251.43862.29932.16611.34122.54113.47552.90122.90122.58733.3360
C32.21691.43861.34373.35572.32162.55872.14402.14342.14341.50152.1653
C43.30942.29931.34373.50172.45811.72302.67013.23343.23342.52841.0691
H52.58602.16613.35573.50171.06872.44305.49885.00885.00884.71444.5216
C62.12981.34122.32162.45811.06871.71864.46364.11904.11903.73903.5003
S73.57822.54112.55871.72302.44301.71864.35884.59944.59944.02242.4427
H83.91103.47552.14402.67015.49884.46364.35881.75321.75321.08162.5968
H92.94032.90122.14343.23345.00884.11904.59941.75321.74891.08443.6292
H102.94032.90122.14343.23345.00884.11904.59941.75321.74891.08443.6292
C112.87392.58731.50152.52844.71443.73904.02241.08161.08441.08442.8835
H124.30463.33602.16531.06914.52163.50032.44272.59683.62923.62922.8835

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 123.308 H1 C2 C6 123.473
C2 C3 C4 111.414 C2 C3 C11 123.271
C2 C6 H5 127.651 C2 C6 S7 111.704
C3 C2 C6 113.219 C3 C4 S7 112.506
C3 C4 H12 127.266 C3 C11 H8 111.156
C3 C11 H9 110.941 C3 C11 H10 110.941
C4 C3 C11 125.315 C4 S7 C6 91.157
H5 C6 S7 120.646 S7 C4 H12 120.227
H8 C11 H9 108.081 H8 C11 H10 108.081
H9 C11 H10 107.496
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.168 0.122 0.002 0.185
2 C -0.229 -0.184 0.125 -0.322
3 C 0.064 0.233 0.070 0.372
4 C -0.234 -0.343 -0.286 -0.421
5 H 0.176 0.189 0.047 0.225
6 C -0.180 -0.198 -0.329 -0.221
7 S 0.035 -0.015 0.244 0.010
8 H 0.100 0.042 -0.040 0.123
9 H 0.102 0.061 -0.038 0.143
10 H 0.102 0.061 -0.038 0.143
11 C -0.278 -0.190 0.191 -0.492
12 H 0.174 0.221 0.037 0.255


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.492 1.105 0.000 1.210
CHELPG        
AIM -0.245 0.191 0.000 0.310
ESP -0.518 1.075 0.000 1.193


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.994 1.889 0.000
y 1.889 -41.350 0.000
z 0.000 0.000 -46.982
Traceless
 xyz
x 5.172 1.889 0.000
y 1.889 1.638 0.000
z 0.000 0.000 -6.810
Polar
3z2-r2-13.620
x2-y22.356
xy1.889
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.684 -0.629 0.000
y -0.629 12.944 0.000
z 0.000 0.000 6.247


<r2> (average value of r2) Å2
<r2> 185.968
(<r2>)1/2 13.637