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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-552.647337
Energy at 298.15K-552.651588
Nuclear repulsion energy200.667095
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 PBEPBE/cc-pVDZ
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 3192 3174 1.45      
2 A1 3159 3141 3.03      
3 A1 1437 1428 7.71      
4 A1 1349 1341 0.17      
5 A1 1049 1043 2.89      
6 A1 1033 1027 3.09      
7 A1 826 821 20.18      
8 A1 597 593 0.11      
9 A2 878 873 0.00      
10 A2 649 645 0.00      
11 A2 558 555 0.00      
12 B1 831 826 0.04      
13 B1 697 693 101.51      
14 B1 444 442 1.33      
15 B2 3189 3171 0.00      
16 B2 3145 3127 3.56      
17 B2 1517 1508 0.16      
18 B2 1212 1205 10.43      
19 B2 1054 1048 4.50      
20 B2 846 841 1.09      
21 B2 736 731 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 14198.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 14116.2 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 PBEPBE/cc-pVDZ
ABC
0.26375 0.17671 0.10581

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.204
C2 0.000 1.248 -0.008
C3 0.000 -1.248 -0.008
C4 0.000 0.716 -1.281
C5 0.000 -0.716 -1.281
H6 0.000 2.301 0.294
H7 0.000 -2.301 0.294
H8 0.000 1.331 -2.191
H9 0.000 -1.331 -2.191

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.73941.73942.58582.58582.47432.47433.64593.6459
C21.73942.49591.37982.34031.09573.56192.18423.3784
C31.73942.49592.34031.37983.56191.09573.37842.1842
C42.58581.37982.34031.43162.23503.40351.09792.2395
C52.58582.34031.37981.43163.40352.23502.23951.0979
H62.47431.09573.56192.23503.40354.60222.66774.4006
H72.47433.56191.09573.40352.23504.60224.40062.6677
H83.64592.18423.37841.09792.23952.66774.40062.6615
H93.64593.37842.18422.23951.09794.40062.66772.6615

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.471 S1 C2 H6 119.824
S1 C3 C5 111.471 S1 C3 H7 119.824
C2 S1 C3 91.687 C2 C4 C5 112.685
C2 C4 H8 123.252 C3 C5 C4 112.685
C3 C5 H9 123.252 C4 C2 H6 128.705
C4 C5 H9 124.063 C5 C3 H7 128.705
C5 C4 H8 124.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.145      
2 C -0.129      
3 C -0.129      
4 C 0.043      
5 C 0.043      
6 H 0.024      
7 H 0.024      
8 H -0.011      
9 H -0.011      


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 -0.408 0.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.720 0.000 0.000
y 0.000 -31.454 0.000
z 0.000 0.000 -34.350
Traceless
 xyz
x -6.818 0.000 0.000
y 0.000 5.581 0.000
z 0.000 0.000 1.237
Polar
3z2-r22.474
x2-y2-8.266
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.581 0.000 0.000
y 0.000 9.630 0.000
z 0.000 0.000 10.287


<r2> (average value of r2) Å2
<r2> 113.586
(<r2>)1/2 10.658