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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-554.300030
Energy at 298.15K-554.306833
HF Energy-554.300030
Nuclear repulsion energy215.599314
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 B3LYPultrafine/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 3180 3076 15.74      
2 A1 3029 2931 0.48      
3 A1 1701 1646 9.29      
4 A1 1489 1440 6.37      
5 A1 1288 1246 0.19      
6 A1 1144 1107 0.60      
7 A1 956 925 0.19      
8 A1 705 682 2.46      
9 A1 512 495 0.00      
10 A2 3057 2958 0.00      
11 A2 1152 1115 0.00      
12 A2 980 948 0.00      
13 A2 953 922 0.00      
14 A2 390 377 0.00      
15 B1 3059 2959 12.99      
16 B1 1135 1098 11.03      
17 B1 903 874 0.95      
18 B1 685 663 46.57      
19 B1 107 104 3.99      
20 B2 3157 3055 3.82      
21 B2 3030 2931 68.14      
22 B2 1487 1438 0.19      
23 B2 1370 1325 3.08      
24 B2 1251 1210 4.14      
25 B2 969 938 9.89      
26 B2 826 799 0.74      
27 B2 631 610 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 19571.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 18935.7 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.22040 0.15896 0.09564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.250
C2 0.000 1.351 -0.001
C3 0.000 -1.351 -0.001
C4 0.000 0.663 -1.335
C5 0.000 -0.663 -1.335
H6 -0.882 1.980 0.130
H7 0.882 1.980 0.130
H8 0.882 -1.980 0.130
H9 -0.882 -1.980 0.130
H10 0.000 1.257 -2.240
H11 0.000 -1.257 -2.240

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.84081.84082.66822.66822.43972.43972.43972.43973.70933.7093
C21.84082.70181.50122.41551.09101.09103.44823.44822.24153.4372
C31.84082.70182.41551.50123.44823.44821.09101.09103.43722.2415
C42.66821.50122.41551.32532.15842.15843.14763.14761.08282.1221
C52.66822.41551.50121.32533.14763.14762.15842.15842.12211.0828
H62.43971.09103.44822.15843.14761.76344.33513.96022.63024.1075
H72.43971.09103.44822.15843.14761.76343.96024.33512.63024.1075
H82.43973.44821.09103.14762.15844.33513.96021.76344.10752.6302
H92.43973.44821.09103.14762.15843.96024.33511.76344.10752.6302
H103.70932.24153.43721.08282.12212.63022.63024.10754.10752.5133
H113.70933.43722.24152.12211.08284.10754.10752.63022.63022.5133

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 105.502 S1 C2 H6 109.991
S1 C2 H7 109.991 S1 C3 C5 105.502
S1 C3 H8 109.991 S1 C3 H9 109.991
C2 S1 C3 94.422 C2 C4 C5 117.287
C2 C4 H10 119.444 C3 C5 C4 117.287
C3 C5 H11 119.444 C4 C2 H6 111.764
C4 C2 H7 111.764 C4 C5 H11 123.269
C5 C3 H8 111.764 C5 C3 H9 111.764
C5 C4 H10 123.269 H6 C2 H7 107.829
H8 C3 H9 107.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.114      
2 C -0.195      
3 C -0.195      
4 C -0.439      
5 C -0.439      
6 H 0.164      
7 H 0.164      
8 H 0.164      
9 H 0.164      
10 H 0.362      
11 H 0.362      


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 -1.794 1.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.112 0.000 0.000
y 0.000 -33.229 0.000
z 0.000 0.000 -39.823
Traceless
 xyz
x -3.586 0.000 0.000
y 0.000 6.738 0.000
z 0.000 0.000 -3.152
Polar
3z2-r2-6.304
x2-y2-6.882
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.668 0.000 0.000
y 0.000 11.490 0.000
z 0.000 0.000 10.599


<r2> (average value of r2) Å2
<r2> 129.277
(<r2>)1/2 11.370