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

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-587.142230
Energy at 298.15K-587.148356
Nuclear repulsion energy267.025967
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 LSDA/3-21G
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' 3232 3179 2.19      
2 A' 3223 3170 3.24      
3 A' 3159 3107 0.44      
4 A' 3079 3028 5.16      
5 A' 2983 2934 13.92      
6 A' 1594 1567 2.62      
7 A' 1499 1475 16.99      
8 A' 1472 1447 6.90      
9 A' 1401 1378 8.97      
10 A' 1380 1357 6.29      
11 A' 1239 1218 5.18      
12 A' 1152 1133 3.27      
13 A' 1096 1078 5.08      
14 A' 1013 997 13.17      
15 A' 944 928 1.48      
16 A' 819 806 21.61      
17 A' 774 761 1.77      
18 A' 652 641 1.61      
19 A' 540 531 0.79      
20 A' 315 309 1.18      
21 A" 3046 2996 7.35      
22 A" 1486 1462 12.38      
23 A" 1060 1043 15.72      
24 A" 891 876 1.29      
25 A" 775 763 91.02      
26 A" 699 687 16.19      
27 A" 603 593 17.73      
28 A" 450 443 0.12      
29 A" 231 227 4.35      
30 A" 116 114 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 20459.6 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 20124.1 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 LSDA/3-21G
ABC
0.22632 0.08044 0.06002

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.216 0.821 0.000
C2 -1.256 0.300 0.000
C3 0.000 0.990 0.000
C4 1.065 0.140 0.000
H5 -1.937 -1.802 0.000
C6 -1.149 -1.054 0.000
S7 0.560 -1.571 0.000
H8 1.172 2.793 0.000
H9 -0.373 2.911 0.893
H10 -0.373 2.911 -0.893
C11 0.115 2.477 0.000
H12 2.123 0.394 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09212.22223.35122.63852.15753.66453.91932.92552.92552.85894.3595
C21.09211.43332.32722.20971.35812.60743.47992.89722.89722.57303.3803
C32.22221.43331.36273.39842.34482.62142.15022.15062.15061.49162.2047
C43.35122.32721.36273.57622.51621.78452.65463.24663.24662.52261.0873
H52.63852.20973.39843.57621.08662.50775.54795.04555.04554.74594.6159
C62.15751.35812.34482.51621.08661.78554.49274.13754.13753.75053.5780
S73.66452.60742.62141.78452.50771.78554.40654.66394.66394.07242.5108
H83.91933.47992.15022.65465.54794.49274.40651.78761.78761.10282.5803
H92.92552.89722.15063.24665.04554.13754.66391.78761.78511.10573.6547
H102.92552.89722.15063.24665.04554.13754.66391.78761.78511.10573.6547
C112.85892.57301.49162.52264.74593.75054.07241.10281.10571.10572.8930
H124.35953.38032.20471.08734.61593.57802.51082.58033.65473.65472.8930

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 122.697 H1 C2 C6 123.050
C2 C3 C4 112.656 C2 C3 C11 123.196
C2 C6 H5 129.000 C2 C6 S7 111.354
C3 C2 C6 114.253 C3 C4 S7 112.109
C3 C4 H12 127.931 C3 C11 H8 111.061
C3 C11 H9 110.921 C3 C11 H10 110.921
C4 C3 C11 124.148 C4 S7 C6 89.628
H5 C6 S7 119.646 S7 C4 H12 119.960
H8 C11 H9 108.076 H8 C11 H10 108.076
H9 C11 H10 107.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.212      
2 C -0.146      
3 C 0.082      
4 C -0.597      
5 H 0.246      
6 C -0.589      
7 S 0.550      
8 H 0.226      
9 H 0.237      
10 H 0.237      
11 C -0.695      
12 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.478 1.193 0.000 1.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.061 1.815 0.000
y 1.815 -40.069 0.000
z 0.000 0.000 -47.018
Traceless
 xyz
x 5.483 1.815 0.000
y 1.815 2.471 0.000
z 0.000 0.000 -7.954
Polar
3z2-r2-15.907
x2-y22.008
xy1.815
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.898 -0.409 0.000
y -0.409 11.980 0.000
z 0.000 0.000 4.078


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000