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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-552.912576
Energy at 298.15K-552.916827
HF Energy-552.912576
Nuclear repulsion energy200.961695
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 B97D3/6-31+G**
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 3166 1.04      
2 A1 3179 3124 8.64      
3 A1 1425 1401 7.96      
4 A1 1368 1345 0.96      
5 A1 1086 1067 4.11      
6 A1 1042 1024 3.11      
7 A1 822 807 22.54      
8 A1 605 594 0.25      
9 A2 873 858 0.00      
10 A2 649 637 0.00      
11 A2 555 545 0.00      
12 B1 833 819 0.07      
13 B1 697 685 147.61      
14 B1 443 435 1.19      
15 B2 3219 3164 1.41      
16 B2 3165 3111 5.81      
17 B2 1517 1490 0.48      
18 B2 1246 1225 10.76      
19 B2 1087 1069 5.39      
20 B2 860 845 1.55      
21 B2 731 718 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 14310.9 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 14064.7 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 B97D3/6-31+G**
ABC
0.26463 0.17695 0.10604

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

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 -0.008
C3 0.000 -1.247 -0.008
C4 0.000 0.716 -1.281
C5 0.000 -0.716 -1.281
H6 0.000 2.290 0.289
H7 0.000 -2.290 0.289
H8 0.000 1.326 -2.181
H9 0.000 -1.326 -2.181

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.73851.73852.58532.58532.46542.46543.63523.6352
C21.73852.49301.37852.33881.08493.54872.17433.3673
C31.73852.49302.33881.37853.54871.08493.36732.1743
C42.58531.37852.33881.43192.22313.39101.08772.2317
C52.58532.33881.37851.43193.39102.22312.23171.0877
H62.46541.08493.54872.22313.39104.57932.65214.3792
H72.46543.54871.08493.39102.22314.57934.37922.6521
H83.63522.17433.36731.08772.23172.65214.37922.6519
H93.63523.36732.17432.23171.08774.37922.65212.6519

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.936 S1 C2 H6 119.900
S1 C3 C5 111.936 S1 C3 H7 119.900
C2 S1 C3 91.337 C2 C4 C5 112.396
C2 C4 H8 123.749 C3 C5 C4 112.396
C3 C5 H9 123.749 C4 C2 H6 128.164
C4 C5 H9 123.855 C5 C3 H7 128.164
C5 C4 H8 123.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.050      
2 C -0.244      
3 C -0.244      
4 C -0.098      
5 C -0.098      
6 H 0.174      
7 H 0.174      
8 H 0.143      
9 H 0.143      


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 -0.506 0.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.602 0.000 0.000
y 0.000 -31.763 0.000
z 0.000 0.000 -34.813
Traceless
 xyz
x -7.314 0.000 0.000
y 0.000 5.944 0.000
z 0.000 0.000 1.370
Polar
3z2-r22.740
x2-y2-8.838
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.078 0.000 0.000
y 0.000 10.261 0.000
z 0.000 0.000 11.164


<r2> (average value of r2) Å2
<r2> 113.653
(<r2>)1/2 10.661