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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-554.222281
Energy at 298.15K-554.228985
HF Energy-554.222281
Nuclear repulsion energy216.639127
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 wB97X-D/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 3213 3072 15.15      
2 A1 3069 2934 0.42      
3 A1 1738 1662 7.31      
4 A1 1483 1417 5.90      
5 A1 1296 1239 0.01      
6 A1 1148 1097 0.49      
7 A1 970 927 0.19      
8 A1 732 700 2.44      
9 A1 519 496 0.02      
10 A2 3108 2971 0.00      
11 A2 1160 1109 0.00      
12 A2 994 950 0.00      
13 A2 946 904 0.00      
14 A2 380 363 0.00      
15 B1 3109 2972 16.19      
16 B1 1142 1092 11.85      
17 B1 896 857 1.94      
18 B1 689 659 45.40      
19 B1 38 36 4.32      
20 B2 3189 3049 3.38      
21 B2 3070 2935 64.69      
22 B2 1479 1414 0.46      
23 B2 1374 1313 3.07      
24 B2 1257 1202 5.04      
25 B2 980 937 10.07      
26 B2 835 798 0.68      
27 B2 657 628 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 19733.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 18865.5 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 wB97X-D/cc-pVTZ
ABC
0.22255 0.16067 0.09667

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.242
C2 0.000 1.344 0.002
C3 0.000 -1.344 0.002
C4 0.000 0.661 -1.330
C5 0.000 -0.661 -1.330
H6 -0.883 1.971 0.133
H7 0.883 1.971 0.133
H8 0.883 -1.971 0.133
H9 -0.883 -1.971 0.133
H10 0.000 1.254 -2.235
H11 0.000 -1.254 -2.235

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.82861.82862.65552.65552.42772.42772.42772.42773.69623.6962
C21.82862.68861.49762.40721.09031.09033.43293.43292.23913.4291
C31.82862.68862.40721.49763.43293.43291.09031.09033.42912.2391
C42.65551.49762.40721.32112.15292.15293.13723.13721.08232.1179
C52.65552.40721.49761.32113.13723.13722.15292.15292.11791.0823
H62.42771.09033.43292.15293.13721.76584.31873.94122.62634.0969
H72.42771.09033.43292.15293.13721.76583.94124.31872.62634.0969
H82.42773.43291.09033.13722.15294.31873.94121.76584.09692.6263
H92.42773.43291.09033.13722.15293.94124.31871.76584.09692.6263
H103.69622.23913.42911.08232.11792.62632.62634.09694.09692.5088
H113.69623.42912.23912.11791.08234.09694.09692.62632.62632.5088

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 105.515 S1 C2 H6 109.959
S1 C2 H7 109.959 S1 C3 C5 105.515
S1 C3 H8 109.959 S1 C3 H9 109.959
C2 S1 C3 94.640 C2 C4 C5 117.165
C2 C4 H10 119.557 C3 C5 C4 117.165
C3 C5 H11 119.557 C4 C2 H6 111.623
C4 C2 H7 111.623 C4 C5 H11 123.278
C5 C3 H8 111.623 C5 C3 H9 111.623
C5 C4 H10 123.278 H6 C2 H7 108.151
H8 C3 H9 108.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.122      
2 C -0.109      
3 C -0.109      
4 C -0.164      
5 C -0.164      
6 H 0.101      
7 H 0.101      
8 H 0.101      
9 H 0.101      
10 H 0.132      
11 H 0.132      


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 -1.835 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.444 0.000 0.000
y 0.000 -32.516 0.000
z 0.000 0.000 -39.130
Traceless
 xyz
x -3.621 0.000 0.000
y 0.000 6.771 0.000
z 0.000 0.000 -3.150
Polar
3z2-r2-6.300
x2-y2-6.928
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.124 0.000 0.000
y 0.000 10.797 0.000
z 0.000 0.000 9.532


<r2> (average value of r2) Å2
<r2> 127.807
(<r2>)1/2 11.305