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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-592.432466
Energy at 298.15K-592.438657
HF Energy-592.432466
Nuclear repulsion energy272.816930
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 B3LYPultrafine/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' 3246 3140 0.61      
2 A' 3203 3099 5.65      
3 A' 3186 3083 6.73      
4 A' 3100 2999 11.96      
5 A' 3025 2926 32.23      
6 A' 1585 1533 1.82      
7 A' 1497 1448 2.79      
8 A' 1482 1433 15.43      
9 A' 1420 1374 0.05      
10 A' 1383 1338 1.20      
11 A' 1266 1224 9.59      
12 A' 1172 1134 9.06      
13 A' 1102 1066 1.55      
14 A' 1065 1031 3.64      
15 A' 994 961 1.99      
16 A' 854 826 12.12      
17 A' 746 722 0.68      
18 A' 664 642 1.71      
19 A' 552 534 0.52      
20 A' 304 294 0.83      
21 A" 3070 2970 12.45      
22 A" 1481 1433 7.99      
23 A" 1065 1030 0.35      
24 A" 922 892 0.09      
25 A" 842 814 14.27      
26 A" 707 684 70.92      
27 A" 580 561 0.08      
28 A" 480 465 5.48      
29 A" 233 225 2.90      
30 A" 97 94 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 20659.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19988.5 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.17642 0.10364 0.06609

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.390 -1.538 0.000
C2 -1.436 -1.031 0.000
H3 -2.134 1.075 0.000
C4 -1.295 0.393 0.000
C5 0.000 0.813 0.000
H6 -0.051 -2.734 0.000
C7 -0.240 -1.674 0.000
S8 1.081 -0.554 0.000
H9 -0.309 2.918 0.000
H10 1.136 2.419 0.880
H11 1.136 2.419 -0.880
C12 0.524 2.216 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08002.62512.21973.35192.62672.15343.60744.91785.37225.37224.7522
C21.08002.21811.43082.33662.19541.35762.56194.10644.39204.39203.7927
H32.62512.21811.08082.15024.34123.33773.60432.59423.64363.64362.8930
C42.21971.43081.08081.36153.36572.32072.55832.71063.28473.28472.5755
C53.35192.33662.15021.36153.54702.49801.74262.12782.15542.15541.4982
H62.62672.19544.34123.36573.54701.07702.45635.65785.36065.36064.9835
C72.15341.35763.33772.32072.49801.07701.73214.59234.40684.40683.9644
S83.60742.56193.60432.55831.74262.45631.73213.73993.10123.10122.8257
H94.91784.10642.59422.71062.12785.65784.59233.73991.76381.76381.0890
H105.37224.39203.64363.28472.15545.36064.40683.10121.76381.76101.0911
H115.37224.39203.64363.28472.15545.36064.40683.10121.76381.76101.0911
C124.75223.79272.89302.57551.49824.98353.96442.82571.08901.09111.0911

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 123.663 H1 C2 C7 123.707
C2 C4 H3 123.440 C2 C4 C5 113.588
C2 C7 H6 128.413 C2 C7 S8 111.449
H3 C4 C5 122.973 C4 C2 C7 112.631
C4 C5 S8 110.405 C4 C5 C12 128.418
C5 S8 C7 91.928 C5 C12 H9 109.640
C5 C12 H10 111.728 C5 C12 H11 111.728
H6 C7 S8 120.138 S8 C5 C12 121.177
H9 C12 H10 108.000 H9 C12 H11 108.000
H10 C12 H11 107.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.395      
2 C -0.404      
3 H 0.266      
4 C -0.803      
5 C 0.762      
6 H 0.406      
7 C -0.399      
8 S -0.144      
9 H 0.189      
10 H 0.227      
11 H 0.227      
12 C -0.722      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.402 0.592 0.000 0.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.033 0.656 0.000
y 0.656 -38.234 0.000
z 0.000 0.000 -46.591
Traceless
 xyz
x 0.379 0.656 0.000
y 0.656 6.079 0.000
z 0.000 0.000 -6.458
Polar
3z2-r2-12.916
x2-y2-3.799
xy0.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.021 0.501 0.000
y 0.501 13.760 0.000
z 0.000 0.000 7.952


<r2> (average value of r2) Å2
<r2> 177.570
(<r2>)1/2 13.326