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

using model chemistry: LSDA/6-31G

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
 hartrees
Energy at 0K-590.076909
Energy at 298.15K-590.083025
Nuclear repulsion energy266.945999
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
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' 3245 3179 0.86      
2 A' 3234 3168 1.03      
3 A' 3168 3104 2.34      
4 A' 3090 3028 9.26      
5 A' 2982 2922 25.05      
6 A' 1610 1578 3.25      
7 A' 1511 1480 14.32      
8 A' 1468 1438 8.73      
9 A' 1411 1382 11.56      
10 A' 1397 1369 1.13      
11 A' 1239 1214 5.87      
12 A' 1164 1141 3.54      
13 A' 1095 1073 4.49      
14 A' 1008 987 12.75      
15 A' 949 930 1.67      
16 A' 833 816 19.24      
17 A' 788 772 2.13      
18 A' 655 642 1.19      
19 A' 539 528 0.76      
20 A' 316 309 0.98      
21 A" 3054 2992 12.31      
22 A" 1464 1434 12.91      
23 A" 1057 1035 12.38      
24 A" 885 867 0.10      
25 A" 763 748 92.37      
26 A" 689 675 5.59      
27 A" 606 593 16.57      
28 A" 451 441 0.04      
29 A" 233 228 3.42      
30 A" 114 112 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 20509.3 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 20093.0 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
ABC
0.22667 0.08028 0.05995

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.218 0.827 0.000
C2 -1.257 0.306 0.000
C3 0.000 0.994 0.000
C4 1.063 0.133 0.000
H5 -1.935 -1.806 0.000
C6 -1.151 -1.053 0.000
S7 0.553 -1.574 0.000
H8 1.185 2.791 0.000
H9 -0.353 2.926 0.888
H10 -0.353 2.926 -0.888
C11 0.128 2.477 0.000
H12 2.126 0.370 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09332.22423.35412.64902.16183.66623.92892.94462.94462.86834.3676
C21.09331.43272.32672.21901.36312.60923.48372.91012.91012.57513.3830
C32.22421.43271.36863.40422.34842.62652.15222.15542.15541.48842.2155
C43.35412.32671.36863.57102.51181.78092.66083.25553.25552.52401.0884
H52.64902.21903.40423.57101.08772.49895.55615.06845.06844.75474.6073
C62.16181.36312.34842.51181.08771.78164.49784.15414.15413.75463.5722
S73.66622.60922.62651.78092.49891.78164.40974.67494.67494.07272.5001
H83.92893.48372.15222.66085.55614.49784.40971.78161.78161.10242.5970
H92.94462.91012.15543.25555.06844.15414.67491.78161.77641.10563.6698
H102.94462.91012.15543.25555.06844.15414.67491.78161.77641.10563.6698
C112.86832.57511.48842.52404.75473.75464.07271.10241.10561.10562.9033
H124.36763.38302.21551.08844.60733.57222.50012.59703.66983.66982.9033

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 122.840 H1 C2 C6 122.916
C2 C3 C4 112.294 C2 C3 C11 123.646
C2 C6 H5 129.413 C2 C6 S7 111.444
C3 C2 C6 114.245 C3 C4 S7 112.347
C3 C4 H12 128.403 C3 C11 H8 111.478
C3 C11 H9 111.528 C3 C11 H10 111.528
C4 C3 C11 124.060 C4 S7 C6 89.670
H5 C6 S7 119.143 S7 C4 H12 119.250
H8 C11 H9 107.583 H8 C11 H10 107.583
H9 C11 H10 106.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.163      
2 C -0.045      
3 C 0.190      
4 C -0.547      
5 H 0.193      
6 C -0.527      
7 S 0.419      
8 H 0.175      
9 H 0.188      
10 H 0.188      
11 C -0.582      
12 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.497 1.223 0.000 1.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.296 1.839 0.000
y 1.839 -40.382 0.000
z 0.000 0.000 -46.245
Traceless
 xyz
x 5.018 1.839 0.000
y 1.839 1.889 0.000
z 0.000 0.000 -6.907
Polar
3z2-r2-13.813
x2-y22.086
xy1.839
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.368 -0.430 0.000
y -0.430 12.487 0.000
z 0.000 0.000 4.722


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