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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: HF/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 HF/aug-cc-pVTZ
 hartrees
Energy at 0K-551.382362
Energy at 298.15K-551.387048
Nuclear repulsion energy203.877255
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/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 3397 3092 2.49      
2 A1 3360 3059 5.34      
3 A1 1558 1419 20.25      
4 A1 1517 1381 0.05      
5 A1 1194 1087 4.16      
6 A1 1097 999 1.53      
7 A1 884 804 33.30      
8 A1 654 595 0.80      
9 A2 1048 954 0.00      
10 A2 801 729 0.00      
11 A2 614 559 0.00      
12 B1 1029 937 0.36      
13 B1 809 736 144.91      
14 B1 486 443 0.07      
15 B2 3394 3090 0.91      
16 B2 3345 3045 4.98      
17 B2 1706 1553 0.00      
18 B2 1399 1274 8.45      
19 B2 1198 1091 2.37      
20 B2 944 859 1.40      
21 B2 805 733 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15619.1 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 14219.6 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/aug-cc-pVTZ
ABC
0.26985 0.18331 0.10916

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.186
C2 0.000 1.231 -0.014
C3 0.000 -1.231 -0.014
C4 0.000 0.716 -1.254
C5 0.000 -0.716 -1.254
H6 0.000 2.262 0.266
H7 0.000 -2.262 0.266
H8 0.000 1.312 -2.145
H9 0.000 -1.312 -2.145

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71871.71872.54282.54282.44212.44213.57953.5795
C21.71872.46241.34352.30891.06863.50482.13273.3181
C31.71872.46242.30891.34353.50481.06863.31812.1327
C42.54281.34352.30891.43202.16893.34421.07152.2149
C52.54282.30891.34351.43203.34422.16892.21491.0715
H62.44211.06863.50482.16893.34424.52492.59174.3117
H72.44213.50481.06863.34422.16894.52494.31172.5917
H83.57952.13273.31811.07152.21492.59174.31172.6241
H93.57953.31812.13272.21491.07154.31172.59172.6241

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.697 S1 C2 H6 120.570
S1 C3 C5 111.697 S1 C3 H7 120.570
C2 S1 C3 91.509 C2 C4 C5 112.549
C2 C4 H8 123.653 C3 C5 C4 112.549
C3 C5 H9 123.653 C4 C2 H6 127.733
C4 C5 H9 123.799 C5 C3 H7 127.733
C5 C4 H8 123.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.152      
2 C -0.311      
3 C -0.311      
4 C -0.595      
5 C -0.595      
6 H 0.500      
7 H 0.500      
8 H 0.482      
9 H 0.482      


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 -0.822 0.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.055 0.000 0.000
y 0.000 -31.565 0.000
z 0.000 0.000 -35.351
Traceless
 xyz
x -7.597 0.000 0.000
y 0.000 6.638 0.000
z 0.000 0.000 0.959
Polar
3z2-r21.918
x2-y2-9.490
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.481 0.000 0.000
y 0.000 9.816 0.000
z 0.000 0.000 11.047


<r2> (average value of r2) Å2
<r2> 111.216
(<r2>)1/2 10.546