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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-552.928380
Energy at 298.15K-552.932789
HF Energy-552.928380
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 wB97X-D/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 3295 3126 1.69      
2 A1 3257 3089 5.44      
3 A1 1496 1419 15.02      
4 A1 1430 1356 0.05      
5 A1 1120 1062 5.02      
6 A1 1070 1014 1.41      
7 A1 862 817 27.73      
8 A1 623 591 0.32      
9 A2 944 895 0.00      
10 A2 697 661 0.00      
11 A2 583 553 0.00      
12 B1 903 856 0.23      
13 B1 737 699 122.48      
14 B1 459 435 0.57      
15 B2 3293 3123 0.53      
16 B2 3243 3076 5.32      
17 B2 1608 1525 0.09      
18 B2 1297 1231 9.65      
19 B2 1124 1066 4.25      
20 B2 897 851 1.41      
21 B2 767 727 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 14851.3 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 14086.4 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 wB97X-D/6-31G*
ABC
0.26786 0.18027 0.10775

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.196
C2 0.000 1.237 -0.011
C3 0.000 -1.237 -0.011
C4 0.000 0.716 -1.269
C5 0.000 -0.716 -1.269
H6 0.000 2.280 0.279
H7 0.000 -2.280 0.279
H8 0.000 1.320 -2.170
H9 0.000 -1.320 -2.170

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.72801.72802.56682.56682.45722.45723.61523.6152
C21.72802.47371.36162.32341.08203.52832.16083.3462
C31.72802.47372.32341.36163.52831.08203.34622.1608
C42.56681.36162.32341.43262.19963.37191.08432.2263
C52.56682.32341.36161.43263.37192.19962.22631.0843
H62.45721.08203.52832.19963.37194.55902.63004.3530
H72.45723.52831.08203.37192.19964.55904.35302.6300
H83.61522.16083.34621.08432.22632.63004.35302.6390
H93.61523.34622.16082.22631.08434.35302.63002.6390

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.815 S1 C2 H6 120.201
S1 C3 C5 111.815 S1 C3 H7 120.201
C2 S1 C3 91.417 C2 C4 C5 112.476
C2 C4 H8 123.721 C3 C5 C4 112.476
C3 C5 H9 123.721 C4 C2 H6 127.984
C4 C5 H9 123.802 C5 C3 H7 127.984
C5 C4 H8 123.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.272      
2 C -0.388      
3 C -0.388      
4 C -0.134      
5 C -0.134      
6 H 0.208      
7 H 0.208      
8 H 0.178      
9 H 0.178      


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 -0.665 0.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.542 0.000 0.000
y 0.000 -30.507 0.000
z 0.000 0.000 -34.062
Traceless
 xyz
x -7.257 0.000 0.000
y 0.000 6.295 0.000
z 0.000 0.000 0.963
Polar
3z2-r21.925
x2-y2-9.035
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.548 0.000 0.000
y 0.000 8.746 0.000
z 0.000 0.000 9.740


<r2> (average value of r2) Å2
<r2> 111.614
(<r2>)1/2 10.565