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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-553.080012
Energy at 298.15K-553.084384
HF Energy-553.080012
Nuclear repulsion energy201.891857
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 B3LYP/TZVP
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 3254 3142 1.23      
2 A1 3216 3104 3.47      
3 A1 1448 1398 11.50      
4 A1 1398 1349 0.44      
5 A1 1112 1073 4.13      
6 A1 1052 1016 2.94      
7 A1 832 803 26.47      
8 A1 613 592 0.50      
9 A2 914 882 0.00      
10 A2 689 665 0.00      
11 A2 568 548 0.00      
12 B1 881 851 0.33      
13 B1 722 697 137.63      
14 B1 454 438 0.82      
15 B2 3252 3139 0.02      
16 B2 3203 3092 3.77      
17 B2 1560 1506 0.10      
18 B2 1282 1237 12.02      
19 B2 1112 1074 4.98      
20 B2 877 847 1.34      
21 B2 741 715 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 14588.5 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 14083.7 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 B3LYP/TZVP
ABC
0.26678 0.17865 0.10700

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.201
C2 0.000 1.242 -0.015
C3 0.000 -1.242 -0.015
C4 0.000 0.713 -1.271
C5 0.000 -0.713 -1.271
H6 0.000 2.280 0.275
H7 0.000 -2.280 0.275
H8 0.000 1.315 -2.169
H9 0.000 -1.315 -2.169

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.73861.73862.57272.57272.46132.46133.61753.6175
C21.73862.48401.36232.32341.07803.53422.15483.3429
C31.73862.48402.32341.36233.53421.07803.34292.1548
C42.57271.36232.32341.42612.20113.36871.08112.2178
C52.57272.32341.36231.42613.36872.20112.21781.0811
H62.46131.07803.53422.20113.36874.56062.62754.3469
H72.46133.53421.07803.36872.20114.56064.34692.6275
H83.61752.15483.34291.08112.21782.62754.34692.6295
H93.61753.34292.15482.21781.08114.34692.62752.6295

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.557 S1 C2 H6 119.988
S1 C3 C5 111.557 S1 C3 H7 119.988
C2 S1 C3 91.188 C2 C4 C5 112.849
C2 C4 H8 123.333 C3 C5 C4 112.849
C3 C5 H9 123.333 C4 C2 H6 128.455
C4 C5 H9 123.818 C5 C3 H7 128.455
C5 C4 H8 123.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.141      
2 C -0.230      
3 C -0.230      
4 C -0.140      
5 C -0.140      
6 H 0.170      
7 H 0.170      
8 H 0.130      
9 H 0.130      


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 -0.520 0.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.563 0.000 0.000
y 0.000 -31.787 0.000
z 0.000 0.000 -34.979
Traceless
 xyz
x -7.180 0.000 0.000
y 0.000 5.984 0.000
z 0.000 0.000 1.195
Polar
3z2-r22.391
x2-y2-8.776
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.197 0.000 0.000
y 0.000 9.683 0.000
z 0.000 0.000 10.644


<r2> (average value of r2) Å2
<r2> 112.840
(<r2>)1/2 10.623