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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-592.128730
Energy at 298.15K-592.134720
Nuclear repulsion energy262.921649
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 BLYP/6-31G
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' 3222 3198 1.49      
2 A' 3214 3189 1.99      
3 A' 3142 3118 8.80      
4 A' 3052 3029 20.69      
5 A' 2961 2938 41.04      
6 A' 1564 1553 1.44      
7 A' 1501 1490 10.18      
8 A' 1446 1435 9.05      
9 A' 1425 1414 0.20      
10 A' 1363 1352 3.83      
11 A' 1238 1229 7.13      
12 A' 1152 1143 3.12      
13 A' 1107 1099 2.14      
14 A' 1016 1009 8.73      
15 A' 925 918 2.17      
16 A' 781 775 19.58      
17 A' 741 736 1.00      
18 A' 620 615 2.23      
19 A' 514 510 1.86      
20 A' 316 313 0.90      
21 A" 3010 2988 28.67      
22 A" 1494 1483 7.04      
23 A" 1066 1058 6.21      
24 A" 875 868 0.00      
25 A" 752 746 82.27      
26 A" 675 670 2.96      
27 A" 592 588 11.90      
28 A" 429 425 0.00      
29 A" 226 224 2.32      
30 A" 115 114 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 20266.8 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 20112.8 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 BLYP/6-31G
ABC
0.22026 0.07756 0.05799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.234 0.824 0.000
C2 -1.274 0.304 0.000
C3 0.000 1.007 0.000
C4 1.078 0.149 0.000
H5 -1.954 -1.819 0.000
C6 -1.172 -1.065 0.000
S7 0.571 -1.604 0.000
H8 1.170 2.844 0.000
H9 -0.370 2.963 0.889
H10 -0.370 2.963 -0.889
C11 0.116 2.522 0.000
H12 2.139 0.384 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.09172.24203.38092.65742.16733.70983.95832.97342.97342.89994.3952
C21.09171.45552.35782.22891.37312.65423.52472.94572.94572.61763.4140
C32.24201.45551.37853.43562.38092.67292.17732.17982.17981.51882.2278
C43.38092.35781.37853.61422.55661.82452.69693.28783.28782.56081.0861
H52.65742.22893.43563.61421.08582.53345.61205.11495.11494.80884.6473
C62.16731.37312.38092.55661.08581.82394.55674.20234.20233.81133.6137
S73.70982.65422.67291.82452.53341.82394.48794.74684.74684.15062.5316
H83.95833.52472.17732.69695.61204.55674.48791.78211.78211.10152.6443
H92.97342.94572.17983.28785.11494.20234.74681.78211.77781.10533.7066
H102.97342.94572.17983.28785.11494.20234.74681.78211.77781.10533.7066
C112.89992.61761.51882.56084.80883.81134.15061.10151.10531.10532.9431
H124.39523.41402.22781.08614.64733.61372.53162.64433.70663.70662.9431

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 122.683 H1 C2 C6 122.703
C2 C3 C4 112.570 C2 C3 C11 123.285
C2 C6 H5 129.672 C2 C6 S7 111.458
C3 C2 C6 114.614 C3 C4 S7 112.382
C3 C4 H12 128.967 C3 C11 H8 111.395
C3 C11 H9 111.366 C3 C11 H10 111.366
C4 C3 C11 124.145 C4 S7 C6 88.975
H5 C6 S7 118.870 S7 C4 H12 118.651
H8 C11 H9 107.716 H8 C11 H10 107.716
H9 C11 H10 107.071
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.109      
2 C -0.021      
3 C 0.208      
4 C -0.466      
5 H 0.141      
6 C -0.428      
7 S 0.353      
8 H 0.130      
9 H 0.139      
10 H 0.139      
11 C -0.440      
12 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.524 1.244 0.000 1.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.849 1.860 0.000
y 1.860 -41.081 0.000
z 0.000 0.000 -46.233
Traceless
 xyz
x 4.808 1.860 0.000
y 1.860 1.460 0.000
z 0.000 0.000 -6.268
Polar
3z2-r2-12.536
x2-y22.232
xy1.860
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 195.804
(<r2>)1/2 13.993