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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-590.433312
Energy at 298.15K-590.439867
HF Energy-590.433312
Nuclear repulsion energy274.651614
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3395 3077 2.21      
2 A' 3357 3043 8.60      
3 A' 3340 3027 10.15      
4 A' 3243 2940 19.76      
5 A' 3168 2872 36.70      
6 A' 1736 1573 3.49      
7 A' 1618 1466 4.25      
8 A' 1606 1456 19.38      
9 A' 1541 1396 2.10      
10 A' 1497 1357 0.19      
11 A' 1380 1251 9.04      
12 A' 1253 1136 13.63      
13 A' 1195 1083 0.97      
14 A' 1120 1015 0.75      
15 A' 1071 971 1.70      
16 A' 913 828 16.78      
17 A' 801 726 0.51      
18 A' 711 644 3.67      
19 A' 588 533 0.73      
20 A' 324 294 0.98      
21 A" 3218 2916 20.21      
22 A" 1598 1448 7.51      
23 A" 1160 1051 0.26      
24 A" 1043 946 0.09      
25 A" 946 858 13.08      
26 A" 798 723 83.09      
27 A" 618 561 0.00      
28 A" 521 472 4.48      
29 A" 254 230 3.61      
30 A" 117 106 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 22064.9 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19999.6 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 HF/Def2TZVPP
ABC
0.17995 0.10444 0.06689

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.351 -1.548 0.000
C2 -1.411 -1.036 0.000
H3 -2.105 1.063 0.000
C4 -1.276 0.385 0.000
C5 0.000 0.807 0.000
H6 -0.045 -2.720 0.000
C7 -0.231 -1.669 0.000
S8 1.064 -0.547 0.000
H9 -0.317 2.909 0.000
H10 1.117 2.415 0.875
H11 1.117 2.415 -0.875
C12 0.511 2.214 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 C5 H6 C7 S8 H9 H10 H11 C12
H11.07032.62192.21173.32722.58702.12363.55814.89875.33835.33834.7265
C21.07032.21031.42732.32072.16891.33952.52244.09364.36644.36643.7755
H32.62192.21031.07112.12084.30783.31323.55422.57013.60273.60272.8586
C42.21171.42731.07111.34363.34052.30492.51812.69973.25773.25772.5568
C53.32722.32072.12081.34363.52752.48681.72152.12602.14482.14481.4970
H62.58702.16894.30783.34053.52751.06742.43995.63605.33755.33754.9654
C72.12361.33953.31322.30492.48681.06741.71334.57914.38924.38923.9533
S83.55812.52243.55422.51811.72152.43991.71333.72153.08893.08892.8153
H94.89874.09362.57012.69972.12605.63604.57913.72151.75131.75131.0816
H105.33834.36643.60273.25772.14485.33754.38923.08891.75131.74941.0830
H115.33834.36643.60273.25772.14485.33754.38923.08891.75131.74941.0830
C124.72653.77552.85862.55681.49704.96543.95332.81531.08161.08301.0830

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 124.013 H1 C2 C7 123.198
C2 C4 H3 123.804 C2 C4 C5 113.731
C2 C7 H6 128.255 C2 C7 S8 110.842
H3 C4 C5 122.466 C4 C2 C7 112.788
C4 C5 S8 109.866 C4 C5 C12 128.264
C5 S8 C7 92.773 C5 C12 H9 110.027
C5 C12 H10 111.461 C5 C12 H11 111.461
H6 C7 S8 120.904 S8 C5 C12 121.870
H9 C12 H10 108.009 H9 C12 H11 108.009
H10 C12 H11 107.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.091      
2 C -0.127      
3 H 0.078      
4 C -0.160      
5 C -0.001      
6 H 0.091      
7 C -0.139      
8 S 0.101      
9 H 0.074      
10 H 0.078      
11 H 0.078      
12 C -0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.639 0.564 0.000 0.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.911 0.817 0.000
y 0.817 -37.679 0.000
z 0.000 0.000 -47.029
Traceless
 xyz
x 0.443 0.817 0.000
y 0.817 6.791 0.000
z 0.000 0.000 -7.234
Polar
3z2-r2-14.468
x2-y2-4.232
xy0.817
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.940 0.364 0.000
y 0.364 11.982 0.000
z 0.000 0.000 6.856


<r2> (average value of r2) Å2
<r2> 175.701
(<r2>)1/2 13.255