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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-592.321465
Energy at 298.15K-592.327596
Nuclear repulsion energy271.593509
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 B3LYPultrafine/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 3270 3133 1.54      
2 A 3225 3090 9.24      
3 A 3209 3074 9.58      
4 A 3126 2994 13.85      
5 A 3043 2915 33.68      
6 A 1613 1545 2.44      
7 A 1526 1462 1.88      
8 A 1509 1445 12.87      
9 A 1445 1384 0.64      
10 A 1398 1339 0.84      
11 A 1274 1220 10.62      
12 A 1184 1134 12.18      
13 A 1115 1069 1.30      
14 A 1074 1029 2.99      
15 A 1003 961 1.58      
16 A 856 820 12.08      
17 A 744 712 0.61      
18 A 662 634 2.71      
19 A 552 529 0.71      
20 A 304 291 0.81      
21 A 3094 2964 17.74      
22 A 1509 1446 7.41      
23 A 1072 1027 0.97      
24 A 906 868 0.39      
25 A 831 796 9.67      
26 A 702 673 56.81      
27 A 573 549 0.53      
28 A 472 452 4.22      
29 A 230 221 2.41      
30 A 105 101 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 20813.2 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 19939.1 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 B3LYPultrafine/6-31G*
ABC
0.17451 0.10287 0.06551

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.396 -1.546 0.000
C2 -1.440 -1.033 0.000
H3 -2.141 1.077 0.000
C4 -1.301 0.390 0.000
C5 0.000 0.818 0.000
H6 -0.046 -2.746 0.000
C7 -0.239 -1.681 0.000
S8 1.087 -0.556 0.000
H9 -0.318 2.928 0.000
H10 1.135 2.436 0.884
H11 1.135 2.436 -0.884
C12 0.521 2.224 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.08492.63542.22443.36582.63872.16183.62104.93345.39505.39504.7671
C21.08492.22381.43002.34522.20821.36512.57154.11744.40994.40993.8024
H32.63542.22381.08572.15704.35943.35103.61732.59853.65543.65542.8988
C42.22441.43001.08571.36933.37742.32782.56782.72193.30153.30152.5852
C53.36582.34522.15701.36933.56372.51041.75112.13432.16522.16521.5001
H62.63872.20824.35943.37743.56371.08162.46585.68045.38755.38755.0024
C72.16181.36513.35102.32782.51041.08161.73904.61034.42944.42943.9790
S83.62102.57153.61732.56781.75112.46581.73903.75613.11963.11962.8370
H94.93344.11742.59852.72192.13435.68044.61033.75611.77041.77041.0947
H105.39504.40993.65543.30152.16525.38754.42943.11961.77041.76791.0970
H115.39504.40993.65543.30152.16525.38754.42943.11961.77041.76791.0970
C124.76713.80242.89882.58521.50015.00243.97902.83701.09471.09701.0970

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 123.793 H1 C2 C7 123.456
C2 C4 H3 123.672 C2 C4 C5 113.794
C2 C7 H6 128.602 C2 C7 S8 111.307
H3 C4 C5 122.534 C4 C2 C7 112.751
C4 C5 S8 110.155 C4 C5 C12 128.513
C5 S8 C7 91.993 C5 C12 H9 109.694
C5 C12 H10 112.029 C5 C12 H11 112.029
H6 C7 S8 120.091 S8 C5 C12 121.332
H9 C12 H10 107.760 H9 C12 H11 107.760
H10 C12 H11 107.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.138      
2 C -0.095      
3 H 0.132      
4 C -0.124      
5 C -0.105      
6 H 0.169      
7 C -0.347      
8 S 0.230      
9 H 0.166      
10 H 0.170      
11 H 0.170      
12 C -0.502      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.521 0.509 0.000 0.729
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.009 0.758 0.000
y 0.758 -37.062 0.000
z 0.000 0.000 -45.652
Traceless
 xyz
x 0.348 0.758 0.000
y 0.758 6.268 0.000
z 0.000 0.000 -6.616
Polar
3z2-r2-13.232
x2-y2-3.947
xy0.758
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.142 0.428 0.000
y 0.428 11.670 0.000
z 0.000 0.000 4.942


<r2> (average value of r2) Å2
<r2> 178.234
(<r2>)1/2 13.350