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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-551.381085
Energy at 298.15K-551.385767
HF Energy-551.381085
Nuclear repulsion energy204.205755
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 HF/Def2TZVPP
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 3398 3080 2.54      
2 A1 3363 3048 5.96      
3 A1 1553 1407 18.78      
4 A1 1519 1377 0.10      
5 A1 1195 1083 4.64      
6 A1 1099 996 1.60      
7 A1 887 804 33.25      
8 A1 656 595 0.80      
9 A2 1051 952 0.00      
10 A2 800 726 0.00      
11 A2 618 560 0.00      
12 B1 1028 932 0.38      
13 B1 809 733 142.58      
14 B1 491 445 0.05      
15 B2 3395 3077 1.36      
16 B2 3348 3035 5.55      
17 B2 1705 1545 0.05      
18 B2 1402 1271 8.25      
19 B2 1199 1086 2.80      
20 B2 946 858 1.53      
21 B2 810 734 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15634.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 14171.0 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 HF/Def2TZVPP
ABC
0.27059 0.18405 0.10954

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.183
C2 0.000 1.230 -0.013
C3 0.000 -1.230 -0.013
C4 0.000 0.716 -1.252
C5 0.000 -0.716 -1.252
H6 0.000 2.261 0.268
H7 0.000 -2.261 0.268
H8 0.000 1.312 -2.143
H9 0.000 -1.312 -2.143

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71551.71552.53862.53862.43952.43953.57513.5751
C21.71552.46041.34232.30771.06863.50282.13173.3166
C31.71552.46042.30771.34233.50281.06863.31662.1317
C42.53861.34232.30771.43212.16793.34311.07122.2147
C52.53862.30771.34231.43213.34312.16792.21471.0712
H62.43951.06863.50282.16793.34314.52272.59094.3104
H72.43953.50281.06863.34312.16794.52274.31042.5909
H83.57512.13173.31661.07122.21472.59094.31042.6238
H93.57513.31662.13172.21471.07124.31042.59092.6238

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.658 S1 C2 H6 120.598
S1 C3 C5 111.658 S1 C3 H7 120.598
C2 S1 C3 91.637 C2 C4 C5 112.524
C2 C4 H8 123.678 C3 C5 C4 112.524
C3 C5 H9 123.678 C4 C2 H6 127.744
C4 C5 H9 123.798 C5 C3 H7 127.744
C5 C4 H8 123.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.130      
2 C -0.107      
3 C -0.107      
4 C -0.143      
5 C -0.143      
6 H 0.093      
7 H 0.093      
8 H 0.092      
9 H 0.092      


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 -0.766 0.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.871 0.000 0.000
y 0.000 -31.392 0.000
z 0.000 0.000 -35.178
Traceless
 xyz
x -7.586 0.000 0.000
y 0.000 6.633 0.000
z 0.000 0.000 0.953
Polar
3z2-r21.907
x2-y2-9.479
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.525 0.000 0.000
y 0.000 9.247 0.000
z 0.000 0.000 10.514


<r2> (average value of r2) Å2
<r2> 110.821
(<r2>)1/2 10.527