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All results from a given calculation for C4H6S (Thiophene, 2,5-dihydro-)

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-553.894356
Energy at 298.15K-553.901000
HF Energy-553.894356
Nuclear repulsion energy215.422167
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/Def2TZVPP
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 3118 3080 16.00      
2 A1 2955 2919 0.26      
3 A1 1656 1636 8.24      
4 A1 1430 1413 6.98      
5 A1 1240 1225 0.03      
6 A1 1102 1088 0.44      
7 A1 947 935 0.11      
8 A1 700 692 1.85      
9 A1 501 495 0.00      
10 A2 2983 2947 0.00      
11 A2 1105 1092 0.00      
12 A2 936 924 0.00      
13 A2 915 904 0.00      
14 A2 372 367 0.00      
15 B1 2985 2949 16.36      
16 B1 1089 1076 12.01      
17 B1 865 855 0.27      
18 B1 657 649 45.29      
19 B1 95 94 3.41      
20 B2 3095 3058 3.57      
21 B2 2955 2919 70.29      
22 B2 1426 1409 0.19      
23 B2 1319 1303 2.23      
24 B2 1199 1185 5.93      
25 B2 952 941 10.01      
26 B2 800 790 0.29      
27 B2 626 619 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 19010.8 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 18780.8 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/Def2TZVPP
ABC
0.21973 0.15926 0.09567

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.247
C2 0.000 1.352 0.002
C3 0.000 -1.352 0.002
C4 0.000 0.667 -1.335
C5 0.000 -0.667 -1.335
H6 -0.889 1.986 0.135
H7 0.889 1.986 0.135
H8 0.889 -1.986 0.135
H9 -0.889 -1.986 0.135
H10 0.000 1.268 -2.246
H11 0.000 -1.268 -2.246

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.83721.83722.66632.66632.44352.44352.44352.44353.71593.7159
C21.83722.70341.50222.42151.10011.10013.45673.45672.25003.4525
C31.83722.70342.42151.50223.45673.45671.10011.10013.45252.2500
C42.66631.50222.42151.33422.16572.16573.16073.16071.09172.1391
C52.66632.42151.50221.33423.16073.16072.16572.16572.13911.0917
H62.44351.10013.45672.16573.16071.77794.35203.97222.64104.1292
H72.44351.10013.45672.16573.16071.77793.97224.35202.64104.1292
H82.44353.45671.10013.16072.16574.35203.97221.77794.12922.6410
H92.44353.45671.10013.16072.16573.97224.35201.77794.12922.6410
H103.71592.25003.45251.09172.13912.64102.64104.12924.12922.5365
H113.71593.45252.25002.13911.09174.12924.12922.64102.64102.5365

picture of Thiophene, 2,5-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 105.521 S1 C2 H6 110.040
S1 C2 H7 110.040 S1 C3 C5 105.521
S1 C3 H8 110.040 S1 C3 H9 110.040
C2 S1 C3 94.736 C2 C4 C5 117.111
C2 C4 H10 119.478 C3 C5 C4 117.111
C3 C5 H11 119.478 C4 C2 H6 111.720
C4 C2 H7 111.720 C4 C5 H11 123.411
C5 C3 H8 111.720 C5 C3 H9 111.720
C5 C4 H10 123.411 H6 C2 H7 107.808
H8 C3 H9 107.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.159      
2 C -0.071      
3 C -0.071      
4 C -0.139      
5 C -0.139      
6 H 0.096      
7 H 0.096      
8 H 0.096      
9 H 0.096      
10 H 0.097      
11 H 0.097      


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 -1.718 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.775 0.000 0.000
y 0.000 -33.050 0.000
z 0.000 0.000 -39.311
Traceless
 xyz
x -3.595 0.000 0.000
y 0.000 6.494 0.000
z 0.000 0.000 -2.899
Polar
3z2-r2-5.798
x2-y2-6.726
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.761 0.000 0.000
y 0.000 11.423 0.000
z 0.000 0.000 10.198


<r2> (average value of r2) Å2
<r2> 129.191
(<r2>)1/2 11.366