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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-592.076290
Energy at 298.15K-592.069522
HF Energy-592.343233
Nuclear repulsion energy269.921079
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 B3LYP/6-31G(2df,p)
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' 3258 3144 1.12      
2 A' 3247 3133 1.19      
3 A' 3201 3089 5.47      
4 A' 3115 3006 15.45      
5 A' 3028 2922 32.31      
6 A' 1594 1538 3.19      
7 A' 1497 1444 8.60      
8 A' 1453 1402 3.94      
9 A' 1417 1368 0.67      
10 A' 1407 1357 3.57      
11 A' 1254 1210 4.17      
12 A' 1177 1136 2.39      
13 A' 1108 1069 2.65      
14 A' 1012 977 8.57      
15 A' 944 910 2.18      
16 A' 861 830 14.34      
17 A' 832 803 6.28      
18 A' 664 641 0.49      
19 A' 544 525 0.46      
20 A' 319 308 0.76      
21 A" 3079 2971 18.64      
22 A" 1483 1432 4.64      
23 A" 1062 1025 2.51      
24 A" 898 867 0.13      
25 A" 787 760 53.19      
26 A" 697 672 2.99      
27 A" 615 593 7.65      
28 A" 463 447 0.06      
29 A" 235 227 1.96      
30 A" 111 107 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 20680.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19956.4 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 B3LYP/6-31G(2df,p)
ABC
0.23224 0.08164 0.06109

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.212 0.789 0.000
C2 -1.252 0.285 0.000
C3 0.000 0.980 0.000
C4 1.055 0.110 0.000
H5 -1.894 -1.824 0.000
C6 -1.119 -1.072 0.000
S7 0.542 -1.540 0.000
H8 1.173 2.790 0.000
H9 -0.355 2.919 0.881
H10 -0.355 2.919 -0.881
C11 0.126 2.479 0.000
H12 2.109 0.346 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08372.22023.33682.63222.15773.60723.93262.96022.96022.88424.3435
C21.08371.43242.31422.20441.36352.56003.48712.91892.91892.59033.3619
C32.22021.43241.36763.38362.33742.57802.15712.15912.15911.50342.2022
C43.33682.31421.36763.52632.47491.72802.68293.26423.26422.54411.0799
H52.63222.20443.38363.52631.07932.45255.54055.06375.06374.75264.5528
C62.15771.36352.33742.47491.07931.72674.49134.15794.15793.76223.5259
S73.60722.56002.57801.72802.45251.72674.37614.63324.63324.04002.4517
H83.93263.48712.15712.68295.54054.49134.37611.76861.76861.09302.6174
H92.96022.91892.15913.26425.06374.15794.63321.76861.76211.09613.6699
H102.96022.91892.15913.26425.06374.15794.63321.76861.76211.09613.6699
C112.88422.59031.50342.54414.75263.76224.04001.09301.09611.09612.9121
H124.34353.36192.20221.07994.55283.52592.45172.61743.66993.66992.9121

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 123.142 H1 C2 C6 123.614
C2 C3 C4 111.380 C2 C3 C11 123.463
C2 C6 H5 128.278 C2 C6 S7 111.642
C3 C2 C6 113.243 C3 C4 S7 112.513
C3 C4 H12 127.722 C3 C11 H8 111.297
C3 C11 H9 111.192 C3 C11 H10 111.192
C4 C3 C11 125.157 C4 S7 C6 91.221
H5 C6 S7 120.079 S7 C4 H12 119.765
H8 C11 H9 107.897 H8 C11 H10 107.897
H9 C11 H10 107.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.100      
2 C -0.160      
3 C 0.313      
4 C -0.224      
5 H 0.127      
6 C -0.136      
7 S -0.028      
8 H 0.124      
9 H 0.131      
10 H 0.131      
11 C -0.498      
12 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.366 0.918 0.000 0.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 187.345
(<r2>)1/2 13.687