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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-552.898004
Energy at 298.15K-552.902241
HF Energy-552.898004
Nuclear repulsion energy 
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3221 3158 1.23      
2 A1 3175 3113 11.57      
3 A1 1438 1410 7.95      
4 A1 1382 1355 0.64      
5 A1 1094 1073 3.96      
6 A1 1048 1028 1.85      
7 A1 824 808 21.12      
8 A1 605 593 0.28      
9 A2 873 856 0.00      
10 A2 645 632 0.00      
11 A2 557 546 0.00      
12 B1 830 814 0.25      
13 B1 701 688 108.84      
14 B1 443 434 1.20      
15 B2 3219 3156 3.27      
16 B2 3161 3099 7.17      
17 B2 1535 1504 0.00      
18 B2 1256 1231 10.53      
19 B2 1096 1075 3.67      
20 B2 864 847 0.83      
21 B2 734 719 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 14349.7 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 14068.4 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 B97D3/6-31G*
ABC
0.26463 0.17725 0.10615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.203
C2 0.000 1.247 -0.010
C3 0.000 -1.247 -0.010
C4 0.000 0.716 -1.279
C5 0.000 -0.716 -1.279
H6 0.000 2.291 0.288
H7 0.000 -2.291 0.288
H8 0.000 1.325 -2.181
H9 0.000 -1.325 -2.181

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.73911.73912.58282.58282.46652.46653.63423.6342
C21.73912.49331.37582.33691.08553.54982.17313.3656
C31.73912.49332.33691.37583.54981.08553.36562.1731
C42.58281.37582.33691.43122.22163.39001.08882.2309
C52.58282.33691.37581.43123.39002.22162.23091.0888
H62.46651.08553.54982.22163.39004.58122.65164.3780
H72.46653.54981.08553.39002.22164.58124.37802.6516
H83.63422.17313.36561.08882.23092.65164.37802.6491
H93.63423.36562.17312.23091.08884.37802.65162.6491

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.857 S1 C2 H6 119.939
S1 C3 C5 111.857 S1 C3 H7 119.939
C2 S1 C3 91.358 C2 C4 C5 112.464
C2 C4 H8 123.738 C3 C5 C4 112.464
C3 C5 H9 123.738 C4 C2 H6 128.204
C4 C5 H9 123.798 C5 C3 H7 128.204
C5 C4 H8 123.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.256      
2 C -0.351      
3 C -0.351      
4 C -0.101      
5 C -0.101      
6 H 0.178      
7 H 0.178      
8 H 0.145      
9 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.605 0.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.279 0.000 0.000
y 0.000 -30.791 0.000
z 0.000 0.000 -34.077
Traceless
 xyz
x -6.846 0.000 0.000
y 0.000 5.888 0.000
z 0.000 0.000 0.958
Polar
3z2-r21.916
x2-y2-8.489
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.575 0.000 0.000
y 0.000 9.089 0.000
z 0.000 0.000 9.968


<r2> (average value of r2) Å2
<r2> 112.939
(<r2>)1/2 10.627