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

using model chemistry: HF/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-590.433914
Energy at 298.15K-590.440485
Nuclear repulsion energy274.288186
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/aug-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 3395 3091 1.91      
2 A 3355 3054 7.98      
3 A 3338 3039 9.54      
4 A 3240 2950 19.16      
5 A 3166 2882 35.59      
6 A 1739 1583 3.05      
7 A 1622 1477 9.42      
8 A 1608 1464 16.98      
9 A 1540 1402 2.08      
10 A 1494 1360 0.30      
11 A 1378 1255 9.04      
12 A 1253 1141 14.03      
13 A 1194 1087 0.71      
14 A 1119 1019 0.65      
15 A 1071 975 1.86      
16 A 910 829 16.70      
17 A 797 726 0.74      
18 A 708 645 3.86      
19 A 586 533 0.72      
20 A 324 295 1.02      
21 A 3215 2927 18.63      
22 A 1598 1455 7.60      
23 A 1161 1057 0.23      
24 A 1044 950 0.08      
25 A 947 862 13.02      
26 A 798 726 85.23      
27 A 616 561 0.00      
28 A 518 471 4.90      
29 A 254 231 3.57      
30 A 121 110 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 22052.6 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 20076.7 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 HF/aug-cc-pVTZ
ABC
0.17929 0.10424 0.06672

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.370 -1.533 0.000
C2 -1.424 -1.030 0.000
H3 -2.111 1.075 0.000
C4 -1.280 0.397 0.000
C5 0.000 0.807 0.000
H6 -0.065 -2.721 0.000
C7 -0.244 -1.667 0.000
S8 1.071 -0.553 0.000
H9 -0.302 2.910 0.000
H10 1.131 2.406 0.875
H11 1.131 2.406 -0.875
C12 0.523 2.211 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.07172.62082.21653.33052.59292.13013.57774.90045.34185.34184.7315
C21.07172.21481.43462.32432.16851.34032.53974.09674.37014.37013.7810
H32.62082.21481.07242.12784.31203.31743.57432.57633.61193.61192.8684
C42.21651.43461.07241.34403.34622.30972.53582.69633.25783.25782.5577
C53.33052.32432.12781.34403.52842.48641.73132.12462.14502.14501.4984
H62.59292.16854.31203.34623.52841.06862.44735.63585.33655.33654.9669
C72.13011.34033.31742.30972.48641.06861.72364.57774.38714.38713.9537
S83.57772.53973.57432.53581.73132.44731.72363.72573.08633.08632.8182
H94.90044.09672.57632.69632.12465.63584.57773.72571.75371.75371.0816
H105.34184.37013.61193.25782.14505.33654.38713.08631.75371.75091.0834
H115.34184.37013.61193.25782.14505.33654.38713.08631.75371.75091.0834
C124.73153.78102.86842.55771.49844.96693.95372.81821.08161.08341.0834

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 123.705 H1 C2 C7 123.660
C2 C4 H3 123.472 C2 C4 C5 113.499
C2 C7 H6 128.014 C2 C7 S8 111.357
H3 C4 C5 123.029 C4 C2 C7 112.635
C4 C5 S8 110.455 C4 C5 C12 128.187
C5 S8 C7 92.054 C5 C12 H9 109.820
C5 C12 H10 111.352 C5 C12 H11 111.352
H6 C7 S8 120.630 S8 C5 C12 121.357
H9 C12 H10 108.195 H9 C12 H11 108.195
H10 C12 H11 107.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.474      
2 C -0.535      
3 H 0.348      
4 C -1.060      
5 C 0.986      
6 H 0.516      
7 C -0.350      
8 S -0.361      
9 H 0.259      
10 H 0.307      
11 H 0.307      
12 C -0.889      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.686 0.601 0.000 0.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.054 0.864 0.000
y 0.864 -37.825 0.000
z 0.000 0.000 -47.179
Traceless
 xyz
x 0.447 0.864 0.000
y 0.864 6.792 0.000
z 0.000 0.000 -7.239
Polar
3z2-r2-14.479
x2-y2-4.230
xy0.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.438 0.388 0.000
y 0.388 12.549 0.000
z 0.000 0.000 7.708


<r2> (average value of r2) Å2
<r2> 176.138
(<r2>)1/2 13.272