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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: B1B95/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-553.055799
Energy at 298.15K-553.060249
HF Energy-553.055799
Nuclear repulsion energy204.016758
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 B1B95/aug-cc-pVTZ
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 3274 3138 1.35      
2 A1 3238 3104 3.24      
3 A1 1472 1410 9.50      
4 A1 1409 1351 0.62      
5 A1 1100 1054 3.34      
6 A1 1070 1026 2.25      
7 A1 866 830 22.58      
8 A1 618 592 0.01      
9 A2 934 895 0.00      
10 A2 705 676 0.00      
11 A2 580 556 0.00      
12 B1 899 862 0.05      
13 B1 737 706 126.63      
14 B1 465 446 0.80      
15 B2 3271 3136 0.01      
16 B2 3224 3090 3.34      
17 B2 1575 1510 0.09      
18 B2 1282 1229 8.58      
19 B2 1105 1059 3.87      
20 B2 890 853 1.31      
21 B2 772 740 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 14742.9 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 14131.0 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 B1B95/aug-cc-pVTZ
ABC
0.27185 0.18302 0.10938

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.187
C2 0.000 1.228 -0.010
C3 0.000 -1.228 -0.010
C4 0.000 0.711 -1.261
C5 0.000 -0.711 -1.261
H6 0.000 2.263 0.282
H7 0.000 -2.263 0.282
H8 0.000 1.311 -2.157
H9 0.000 -1.311 -2.157

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71471.71472.54922.54922.43762.43763.59153.5915
C21.71472.45601.35432.30741.07553.50342.14863.3250
C31.71472.45602.30741.35433.50341.07553.32502.1486
C42.54921.35432.30741.42112.18903.35031.07822.2110
C52.54922.30741.35431.42113.35032.18902.21101.0782
H62.43761.07553.50342.18903.35034.52652.61794.3268
H72.43763.50341.07553.35032.18904.52654.32682.6179
H83.59152.14863.32501.07822.21102.61794.32682.6219
H93.59153.32502.14862.21101.07824.32682.61792.6219

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.796 S1 C2 H6 120.012
S1 C3 C5 111.796 S1 C3 H7 120.012
C2 S1 C3 91.479 C2 C4 C5 112.464
C2 C4 H8 123.697 C3 C5 C4 112.464
C3 C5 H9 123.697 C4 C2 H6 128.192
C4 C5 H9 123.839 C5 C3 H7 128.192
C5 C4 H8 123.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.031      
2 C -0.451      
3 C -0.451      
4 C -0.581      
5 C -0.581      
6 H 0.507      
7 H 0.507      
8 H 0.509      
9 H 0.509      


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 -0.508 0.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.963 0.000 0.000
y 0.000 -31.468 0.000
z 0.000 0.000 -34.670
Traceless
 xyz
x -6.894 0.000 0.000
y 0.000 5.849 0.000
z 0.000 0.000 1.045
Polar
3z2-r22.090
x2-y2-8.495
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.434 0.000 0.000
y 0.000 10.335 0.000
z 0.000 0.000 11.247


<r2> (average value of r2) Å2
<r2> 110.715
(<r2>)1/2 10.522