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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-41.917717
Energy at 298.15K-41.923854
Nuclear repulsion energy106.346761
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 B3LYP/CEP-121G
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' 3241 3158 2.45      
2 A' 3231 3149 3.41      
3 A' 3174 3093 10.50      
4 A' 3087 3009 27.96      
5 A' 2985 2909 50.57      
6 A' 1583 1543 1.88      
7 A' 1514 1475 12.92      
8 A' 1460 1423 10.54      
9 A' 1438 1401 1.60      
10 A' 1382 1347 4.69      
11 A' 1250 1218 8.48      
12 A' 1173 1143 3.57      
13 A' 1115 1086 3.31      
14 A' 1019 993 7.91      
15 A' 932 908 2.96      
16 A' 809 788 19.96      
17 A' 771 752 3.37      
18 A' 639 623 1.29      
19 A' 523 510 1.44      
20 A' 314 306 0.98      
21 A" 3053 2975 34.92      
22 A" 1510 1472 9.27      
23 A" 1075 1047 4.72      
24 A" 919 896 0.62      
25 A" 773 754 111.73      
26 A" 696 679 2.59      
27 A" 593 578 14.36      
28 A" 432 421 0.01      
29 A" 229 224 3.29      
30 A" 121 118 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 20521.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 19997.9 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 B3LYP/CEP-121G
ABC
0.22084 0.07761 0.05805

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.185 0.182 0.000
C2 -1.163 -0.187 0.000
C3 0.000 0.698 0.000
C4 1.192 -0.002 0.000
H5 -1.516 -2.385 0.000
C6 -0.853 -1.530 0.000
S7 0.939 -1.800 0.000
H8 0.884 2.686 0.000
H9 -0.650 2.575 0.886
H10 -0.650 2.575 -0.886
C11 -0.107 2.216 0.000
H12 2.203 0.383 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 C4 H5 C6 S7 H8 H9 H10 C11 H12
H11.08692.24493.38142.65232.16903.69963.96052.97782.97782.90814.3924
C21.08691.46112.36132.22571.37802.64913.52732.94572.94572.62513.4135
C32.24491.46111.38183.43502.38532.66832.17562.17512.17511.52222.2253
C43.38142.36131.38183.60652.55211.81522.70553.28893.28892.57021.0823
H52.65232.22573.43503.60651.08192.52395.60975.11205.11204.81194.6358
C62.16901.37802.38532.55211.08191.81224.55944.20434.20433.81973.6051
S73.69962.64912.66831.81522.52391.81224.48594.73804.73804.14992.5222
H83.96053.52732.17562.70555.60974.55944.48591.77461.77461.09612.6538
H92.97782.94572.17513.28895.11204.20434.73801.77461.77151.09933.7051
H102.97782.94572.17513.28895.11204.20434.73801.77461.77151.09933.7051
C112.90812.62511.52222.57024.81193.81974.14991.09611.09931.09932.9486
H124.39243.41352.22531.08234.63583.60512.52222.65383.70513.70512.9486

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 122.868 H1 C2 C6 122.844
C2 C3 C4 112.292 C2 C3 C11 123.261
C2 C6 H5 129.202 C2 C6 S7 111.554
C3 C2 C6 114.288 C3 C4 S7 112.441
C3 C4 H12 128.722 C3 C11 H8 111.352
C3 C11 H9 111.113 C3 C11 H10 111.113
C4 C3 C11 124.447 C4 S7 C6 89.425
H5 C6 S7 119.244 S7 C4 H12 118.837
H8 C11 H9 107.861 H8 C11 H10 107.861
H9 C11 H10 107.365
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.184      
2 C -0.007      
3 C 0.457      
4 C -0.623      
5 H 0.183      
6 C -0.508      
7 S 0.293      
8 H 0.163      
9 H 0.165      
10 H 0.165      
11 C -0.664      
12 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.716 1.185 0.000 1.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.167 2.528 0.000
y 2.528 -40.762 0.000
z 0.000 0.000 -46.521
Traceless
 xyz
x 4.474 2.528 0.000
y 2.528 2.082 0.000
z 0.000 0.000 -6.556
Polar
3z2-r2-13.112
x2-y21.594
xy2.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.471 -0.818 0.000
y -0.818 13.243 0.000
z 0.000 0.000 5.749


<r2> (average value of r2) Å2
<r2> 137.649
(<r2>)1/2 11.732