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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-591.966117
Energy at 298.15K-591.972296
Nuclear repulsion energy272.923831
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 HSEh1PBE/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 3297 3135 0.95      
2 A 3255 3096 6.48      
3 A 3237 3079 7.97      
4 A 3160 3005 10.78      
5 A 3066 2916 29.85      
6 A 1631 1551 3.24      
7 A 1536 1461 5.56      
8 A 1519 1444 10.36      
9 A 1441 1370 0.19      
10 A 1409 1340 0.59      
11 A 1275 1213 11.28      
12 A 1208 1148 12.24      
13 A 1117 1063 2.30      
14 A 1082 1029 3.69      
15 A 1007 957 1.33      
16 A 873 831 13.10      
17 A 760 723 0.17      
18 A 684 650 2.15      
19 A 559 531 0.72      
20 A 305 290 0.84      
21 A 3130 2976 13.29      
22 A 1506 1432 9.17      
23 A 1069 1017 1.32      
24 A 912 867 0.41      
25 A 835 794 10.87      
26 A 708 673 65.84      
27 A 578 550 0.44      
28 A 479 455 4.91      
29 A 233 222 2.83      
30 A 104 99 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 20986.2 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 19957.9 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 HSEh1PBE/6-31G*
ABC
0.17645 0.10390 0.06620

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.394 -1.543 0.000
C2 -1.438 -1.031 0.000
H3 -2.141 1.078 0.000
C4 -1.299 0.393 0.000
C5 0.000 0.811 0.000
H6 -0.042 -2.736 0.000
C7 -0.236 -1.671 0.000
S8 1.081 -0.551 0.000
H9 -0.313 2.915 0.000
H10 1.139 2.416 0.885
H11 1.139 2.416 -0.885
C12 0.525 2.212 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08522.63392.22433.35792.63752.16183.61454.92065.37945.37944.7562
C21.08522.22371.43042.33662.20341.36122.56434.10354.39314.39313.7903
H32.63392.22371.08602.15794.35403.34493.61132.59193.65083.65082.8969
C42.22431.43041.08601.36483.37192.32132.56092.70863.28903.28902.5759
C53.35792.33662.15791.36483.54732.49331.73942.12732.15732.15731.4958
H62.63752.20344.35403.37193.54731.08262.45665.65785.35885.35884.9801
C72.16181.36123.34492.32132.49331.08261.72924.58694.40164.40163.9566
S83.61452.56433.61132.56091.73942.45661.72923.73643.09673.09672.8186
H94.92064.10352.59192.70862.12735.65784.58693.73641.77151.77151.0937
H105.37944.39313.65083.28902.15735.35884.40163.09671.77151.76951.0960
H115.37944.39313.65083.28902.15735.35884.40163.09671.77151.76951.0960
C124.75623.79032.89692.57591.49584.98013.95662.81861.09371.09601.0960

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 123.722 H1 C2 C7 123.787
C2 C4 H3 123.599 C2 C4 C5 113.405
C2 C7 H6 128.387 C2 C7 S8 111.600
H3 C4 C5 122.996 C4 C2 C7 112.491
C4 C5 S8 110.592 C4 C5 C12 128.389
C5 S8 C7 91.912 C5 C12 H9 109.495
C5 C12 H10 111.763 C5 C12 H11 111.763
H6 C7 S8 120.013 S8 C5 C12 121.020
H9 C12 H10 108.004 H9 C12 H11 108.004
H10 C12 H11 107.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173      
2 C -0.132      
3 H 0.167      
4 C -0.151      
5 C -0.152      
6 H 0.203      
7 C -0.402      
8 S 0.277      
9 H 0.192      
10 H 0.196      
11 H 0.196      
12 C -0.568      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.509 0.520 0.000 0.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.662 0.745 0.000
y 0.745 -36.633 0.000
z 0.000 0.000 -45.741
Traceless
 xyz
x 0.525 0.745 0.000
y 0.745 6.569 0.000
z 0.000 0.000 -7.094
Polar
3z2-r2-14.187
x2-y2-4.029
xy0.745
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.059 0.424 0.000
y 0.424 11.564 0.000
z 0.000 0.000 4.964


<r2> (average value of r2) Å2
<r2> 176.594
(<r2>)1/2 13.289