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

using model chemistry: LSDA/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-590.183933
Energy at 298.15K-590.190014
Nuclear repulsion energy271.782197
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/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' 3200 3149 1.36      
2 A' 3187 3136 1.48      
3 A' 3146 3095 1.40      
4 A' 3077 3027 6.24      
5 A' 2975 2928 20.60      
6 A' 1575 1550 5.94      
7 A' 1466 1443 7.67      
8 A' 1424 1401 2.19      
9 A' 1395 1373 8.79      
10 A' 1336 1315 0.53      
11 A' 1208 1188 3.54      
12 A' 1140 1122 2.74      
13 A' 1056 1040 3.89      
14 A' 969 953 12.92      
15 A' 934 919 0.65      
16 A' 878 864 11.34      
17 A' 850 837 5.45      
18 A' 662 651 0.18      
19 A' 545 536 0.06      
20 A' 307 302 0.76      
21 A" 3042 2993 6.79      
22 A" 1405 1383 7.55      
23 A" 1010 993 5.51      
24 A" 857 843 0.35      
25 A" 753 741 54.75      
26 A" 665 655 2.64      
27 A" 604 594 9.76      
28 A" 466 459 0.14      
29 A" 232 229 2.64      
30 A" 99 97 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 20230.3 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 19906.6 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/6-31G(2df,p)
ABC
0.23510 0.08309 0.06211

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.207 0.806 0.000
C2 -1.242 0.294 0.000
C3 0.000 0.976 0.000
C4 1.050 0.098 0.000
H5 -1.892 -1.824 0.000
C6 -1.113 -1.065 0.000
S7 0.529 -1.526 0.000
H8 1.196 2.759 0.000
H9 -0.340 2.905 0.885
H10 -0.340 2.905 -0.885
C11 0.139 2.452 0.000
H12 2.114 0.331 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09262.21393.33392.64902.16733.59513.92432.94522.94522.86644.3479
C21.09261.41722.30112.21541.36452.53933.46772.90092.90092.56273.3570
C32.21391.41721.36913.37952.32412.55682.14732.14972.14971.48302.2106
C43.33392.30111.36913.51472.45561.70502.66533.25563.25562.52481.0894
H52.64902.21543.37953.51471.08852.43975.52685.05535.05534.73444.5496
C62.16731.36452.32412.45561.08851.70534.46674.13964.13963.73303.5160
S73.59512.53932.55681.70502.43971.70534.33634.60114.60113.99712.4414
H83.92433.46772.14732.66535.52684.46674.33631.77961.77961.10092.5958
H92.94522.90092.14973.25565.05534.13964.60111.77961.77061.10393.6655
H102.94522.90092.14973.25565.05534.13964.60111.77961.77061.10393.6655
C112.86642.56271.48302.52484.73443.73303.99711.10091.10391.10392.8987
H124.34793.35702.21061.08944.54963.51602.44142.59583.66553.66552.8987

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 123.273 H1 C2 C6 123.406
C2 C3 C4 111.335 C2 C3 C11 124.148
C2 C6 H5 128.809 C2 C6 S7 111.136
C3 C2 C6 113.320 C3 C4 S7 112.093
C3 C4 H12 127.738 C3 C11 H8 111.554
C3 C11 H9 111.558 C3 C11 H10 111.558
C4 C3 C11 124.517 C4 S7 C6 92.116
H5 C6 S7 120.055 S7 C4 H12 120.169
H8 C11 H9 107.639 H8 C11 H10 107.639
H9 C11 H10 106.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.130      
2 C -0.193      
3 C 0.345      
4 C -0.258      
5 H 0.156      
6 C -0.165      
7 S -0.040      
8 H 0.157      
9 H 0.167      
10 H 0.167      
11 C -0.614      
12 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.323 0.903 0.000 0.959
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.255 1.522 0.000
y 1.522 -40.046 0.000
z 0.000 0.000 -45.163
Traceless
 xyz
x 4.349 1.522 0.000
y 1.522 1.663 0.000
z 0.000 0.000 -6.012
Polar
3z2-r2-12.025
x2-y21.791
xy1.522
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.727 -0.374 0.000
y -0.374 13.128 0.000
z 0.000 0.000 5.730


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