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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-553.012014
Energy at 298.15K-553.016425
Nuclear repulsion energy202.242048
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3284 3147 1.47      
2 A1 3250 3114 2.54      
3 A1 1478 1417 10.67      
4 A1 1401 1343 0.35      
5 A1 1094 1049 3.13      
6 A1 1065 1021 2.69      
7 A1 859 823 24.00      
8 A1 618 592 0.07      
9 A2 912 874 0.00      
10 A2 690 661 0.00      
11 A2 577 553 0.00      
12 B1 877 840 0.00      
13 B1 726 696 133.03      
14 B1 459 440 0.58      
15 B2 3282 3145 0.00      
16 B2 3236 3101 3.19      
17 B2 1573 1507 0.22      
18 B2 1270 1217 9.96      
19 B2 1098 1052 3.99      
20 B2 883 846 1.30      
21 B2 765 733 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 14697.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 14084.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.26744 0.17969 0.10748

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.194
C2 0.000 1.239 -0.007
C3 0.000 -1.239 -0.007
C4 0.000 0.713 -1.271
C5 0.000 -0.713 -1.271
H6 0.000 2.282 0.291
H7 0.000 -2.282 0.291
H8 0.000 1.322 -2.172
H9 0.000 -1.322 -2.172

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.72551.72552.56522.56522.45442.45443.61563.6156
C21.72552.47751.36832.32441.08533.53362.16563.3526
C31.72552.47752.32441.36833.53361.08533.35262.1656
C42.56521.36832.32441.42512.21393.37731.08772.2251
C52.56522.32441.36831.42513.37732.21392.22511.0877
H62.45441.08533.53362.21393.37734.56452.64284.3649
H72.45443.53361.08533.37732.21394.56454.36492.6428
H83.61562.16563.35261.08772.22512.64284.36492.6439
H93.61563.35262.16562.22511.08774.36492.64282.6439

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.502 S1 C2 H6 119.939
S1 C3 C5 111.502 S1 C3 H7 119.939
C2 S1 C3 91.764 C2 C4 C5 112.616
C2 C4 H8 123.310 C3 C5 C4 112.616
C3 C5 H9 123.310 C4 C2 H6 128.559
C4 C5 H9 124.075 C5 C3 H7 128.559
C5 C4 H8 124.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.463      
2 C -0.080      
3 C -0.080      
4 C 0.674      
5 C 0.674      
6 H -0.434      
7 H -0.434      
8 H -0.392      
9 H -0.392      


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 -0.572 0.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.496 0.000 0.000
y 0.000 -31.342 0.000
z 0.000 0.000 -34.724
Traceless
 xyz
x -7.463 0.000 0.000
y 0.000 6.268 0.000
z 0.000 0.000 1.196
Polar
3z2-r22.391
x2-y2-9.154
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.513 0.000 0.000
y 0.000 10.426 0.000
z 0.000 0.000 11.348


<r2> (average value of r2) Å2
<r2> 112.376
(<r2>)1/2 10.601