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

using model chemistry: LSDA/6-311G**

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/6-311G**
 hartrees
Energy at 0K-590.244410
Energy at 298.15K-590.250443
Nuclear repulsion energy274.044667
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/6-311G**
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 3184 3145 1.64      
2 A 3146 3107 1.16      
3 A 3128 3090 3.65      
4 A 3059 3022 5.10      
5 A 2966 2929 21.39      
6 A 1573 1553 5.55      
7 A 1490 1472 7.44      
8 A 1420 1403 9.56      
9 A 1356 1340 1.88      
10 A 1341 1325 2.74      
11 A 1205 1190 11.58      
12 A 1183 1168 12.39      
13 A 1059 1046 6.03      
14 A 1037 1025 4.53      
15 A 954 942 2.14      
16 A 853 842 14.01      
17 A 750 740 0.20      
18 A 675 667 1.07      
19 A 552 545 0.75      
20 A 297 293 0.87      
21 A 3028 2990 5.93      
22 A 1403 1385 13.08      
23 A 1006 993 2.20      
24 A 863 852 0.19      
25 A 785 775 13.52      
26 A 664 656 81.87      
27 A 564 557 0.63      
28 A 469 463 8.25      
29 A 228 225 4.10      
30 A 84 83 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 20159.5 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 19911.5 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 LSDA/6-311G**
ABC
0.17759 0.10515 0.06688

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.378 -1.558 0.000
C2 -1.424 -1.029 0.000
H3 -2.140 1.070 0.000
C4 -1.296 0.377 0.000
C5 0.000 0.810 0.000
H6 -0.010 -2.733 0.000
C7 -0.219 -1.665 0.000
S8 1.076 -0.540 0.000
H9 -0.338 2.900 0.000
H10 1.123 2.417 0.888
H11 1.123 2.417 -0.888
C12 0.508 2.197 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.09092.63972.21723.35632.64372.16173.60104.90325.37145.37144.7363
C21.09092.21811.41172.32602.21431.36252.54754.07674.37654.37653.7605
H32.63972.21811.09222.15544.35893.34223.59642.56773.63953.63952.8771
C42.21721.41171.09221.36653.36502.30822.54302.69923.28683.28682.5627
C53.35632.32602.15541.36653.54242.48431.72632.11762.15242.15241.4773
H62.64372.21434.35893.36503.54241.08812.44635.64245.34705.34704.9568
C72.16171.36253.34222.30822.48431.08811.71524.56674.38784.38783.9298
S83.60102.54753.59642.54301.72632.44631.71523.71983.08823.08822.7957
H94.90324.07672.56772.69922.11765.64244.56673.71981.77671.77671.1000
H105.37144.37653.63953.28682.15245.34704.38783.08821.77671.77581.1024
H115.37144.37653.63953.28682.15245.34704.38783.08821.77671.77581.1024
C124.73633.76052.87712.56271.47734.95683.92982.79571.10001.10241.1024

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 124.235 H1 C2 C7 123.164
C2 C4 H3 124.223 C2 C4 C5 113.687
C2 C7 H6 128.917 C2 C7 S8 111.217
H3 C4 C5 122.090 C4 C2 C7 112.601
C4 C5 S8 110.075 C4 C5 C12 128.579
C5 S8 C7 92.419 C5 C12 H9 109.632
C5 C12 H10 112.287 C5 C12 H11 112.287
H6 C7 S8 119.866 S8 C5 C12 121.346
H9 C12 H10 107.550 H9 C12 H11 107.550
H10 C12 H11 107.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.128      
2 C -0.118      
3 H 0.125      
4 C -0.060      
5 C -0.341      
6 H 0.164      
7 C -0.344      
8 S 0.310      
9 H 0.160      
10 H 0.173      
11 H 0.173      
12 C -0.369      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.306 0.597 0.000 0.671
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.250 0.650 0.000
y 0.650 -37.302 0.000
z 0.000 0.000 -46.700
Traceless
 xyz
x 0.751 0.650 0.000
y 0.650 6.673 0.000
z 0.000 0.000 -7.424
Polar
3z2-r2-14.849
x2-y2-3.948
xy0.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.999 0.471 0.000
y 0.471 12.682 0.000
z 0.000 0.000 5.559


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