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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

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 C1 1A
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-36.341201
Energy at 298.15K-36.348005
Nuclear repulsion energy86.209247
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 3201 3103 13.58      
2 A 3168 3071 6.02      
3 A 3117 3021 22.24      
4 A 3057 2963 61.85      
5 A 3040 2947 12.50      
6 A 2984 2892 56.07      
7 A 1611 1562 16.13      
8 A 1502 1456 0.87      
9 A 1483 1438 1.79      
10 A 1337 1296 0.41      
11 A 1320 1280 4.92      
12 A 1273 1234 19.70      
13 A 1200 1164 2.03      
14 A 1140 1105 0.75      
15 A 1112 1078 1.04      
16 A 1011 980 5.85      
17 A 985 955 3.40      
18 A 906 878 1.76      
19 A 901 873 1.96      
20 A 851 825 2.14      
21 A 781 757 22.47      
22 A 685 664 26.08      
23 A 669 649 33.39      
24 A 641 622 11.19      
25 A 494 479 0.43      
26 A 398 386 2.29      
27 A 161 156 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 19514.0 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 18916.9 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
0.22418 0.15254 0.09563

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.102 -0.663 0.177
H2 -1.335 -0.808 1.238
H3 -1.867 -1.157 -0.428
C4 -0.938 0.845 -0.155
H5 -1.611 1.450 0.468
H6 -1.207 1.042 -1.206
C7 1.357 0.119 0.050
H8 2.441 0.145 0.122
C9 0.531 1.180 0.070
H10 0.884 2.206 0.161
S11 0.551 -1.467 -0.153

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09621.09381.55182.19272.19792.58273.63412.46373.48851.8672
H21.09621.78332.19752.40213.06853.08524.05172.96623.89482.4344
H31.09381.78332.22352.76922.42493.49984.53413.38494.38442.4529
C41.55182.19752.22351.09841.10302.41603.46251.52352.29642.7495
H52.19272.40212.76921.09841.77003.27924.27102.19462.62443.6833
H62.19793.06852.42491.10301.77003.00023.98442.15982.75533.2392
C72.58273.08523.49982.41603.27923.00021.08711.34492.14261.7901
H83.63414.05174.53413.46254.27103.98441.08712.17362.58332.4993
C92.46372.96623.38491.52352.19462.15981.34492.17361.08882.6559
H103.48853.89484.38442.29642.62442.75532.14262.58331.08883.7007
S111.86722.43442.45292.74953.68333.23921.79012.49932.65593.7007

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 110.498 C1 C4 H6 110.631
C1 C4 C9 106.475 C1 S11 C7 89.828
H2 C1 H3 109.036 H2 C1 C4 111.000
H2 C1 S11 107.611 H3 C1 C4 113.244
H3 C1 S11 109.061 C4 C1 S11 106.704
C4 C9 C7 114.622 C4 C9 H10 122.179
H5 C4 H6 107.030 H5 C4 C9 112.652
H6 C4 C9 109.593 C7 C9 H10 123.036
H8 C7 C9 126.363 H8 C7 S11 118.547
C9 C7 S11 115.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.414      
2 H 0.190      
3 H 0.193      
4 C -0.307      
5 H 0.169      
6 H 0.164      
7 C -0.217      
8 H 0.212      
9 C -0.167      
10 H 0.189      
11 S -0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.968 1.330 0.229 1.661
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.220 1.647 0.079
y 1.647 -38.156 -0.084
z 0.079 -0.084 -39.397
Traceless
 xyz
x 5.556 1.647 0.079
y 1.647 -1.847 -0.084
z 0.079 -0.084 -3.709
Polar
3z2-r2-7.418
x2-y24.935
xy1.647
xz0.079
yz-0.084


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.909 -0.711 -0.019
y -0.711 10.925 0.281
z -0.019 0.281 6.314


<r2> (average value of r2) Å2
<r2> 94.838
(<r2>)1/2 9.738