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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-554.098641
Energy at 298.15K-554.105284
HF Energy-554.098641
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3148 3086 29.24      
2 A1 2985 2926 0.01      
3 A1 1684 1651 7.73      
4 A1 1486 1457 6.87      
5 A1 1278 1253 1.62      
6 A1 1128 1106 0.36      
7 A1 948 929 0.04      
8 A1 688 675 2.92      
9 A1 507 497 0.01      
10 A2 3018 2959 0.00      
11 A2 1132 1109 0.00      
12 A2 954 935 0.00      
13 A2 918 900 0.00      
14 A2 364 357 0.00      
15 B1 3020 2960 35.35      
16 B1 1120 1098 9.48      
17 B1 894 877 0.01      
18 B1 660 647 42.19      
19 B1 100 98 4.68      
20 B2 3124 3063 7.56      
21 B2 2985 2926 93.10      
22 B2 1482 1453 0.90      
23 B2 1346 1319 1.76      
24 B2 1238 1214 7.53      
25 B2 961 942 7.14      
26 B2 806 791 0.42      
27 B2 615 603 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 19293.0 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 18914.9 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 B97D3/6-31G*
ABC
0.21800 0.15669 0.09442

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.261
C2 0.000 1.356 -0.005
C3 0.000 -1.356 -0.005
C4 0.000 0.669 -1.344
C5 0.000 -0.669 -1.344
H6 -0.888 1.993 0.130
H7 0.888 1.993 0.130
H8 0.888 -1.993 0.130
H9 -0.888 -1.993 0.130
H10 0.000 1.271 -2.255
H11 0.000 -1.271 -2.255

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.85531.85532.69052.69052.45832.45832.45832.45833.73963.7396
C21.85532.71171.50522.42811.10181.10183.46773.46772.25213.4591
C31.85532.71172.42811.50523.46773.46771.10181.10183.45912.2521
C42.69051.50522.42811.33872.17172.17173.17073.17071.09182.1436
C52.69052.42811.50521.33873.17073.17072.17172.17172.14361.0918
H62.45831.10183.46772.17173.17071.77694.36483.98672.64614.1396
H72.45831.10183.46772.17173.17071.77693.98674.36482.64614.1396
H82.45833.46771.10183.17072.17174.36483.98671.77694.13962.6461
H92.45833.46771.10183.17072.17173.98674.36481.77694.13962.6461
H103.73962.25213.45911.09182.14362.64612.64614.13964.13962.5421
H113.73963.45912.25212.14361.09184.13964.13962.64612.64612.5421

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 105.812 S1 C2 H6 110.104
S1 C2 H7 110.104 S1 C3 C5 105.812
S1 C3 H8 110.104 S1 C3 H9 110.104
C2 S1 C3 94.277 C2 C4 C5 117.050
C2 C4 H10 119.351 C3 C5 C4 117.050
C3 C5 H11 119.351 C4 C2 H6 111.630
C4 C2 H7 111.630 C4 C5 H11 123.600
C5 C3 H8 111.630 C5 C3 H9 111.630
C5 C4 H10 123.600 H6 C2 H7 107.578
H8 C3 H9 107.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.075      
2 C -0.458      
3 C -0.458      
4 C -0.096      
5 C -0.096      
6 H 0.185      
7 H 0.185      
8 H 0.185      
9 H 0.185      
10 H 0.147      
11 H 0.147      


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 -1.989 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.214 0.000 0.000
y 0.000 -32.149 0.000
z 0.000 0.000 -38.674
Traceless
 xyz
x -3.802 0.000 0.000
y 0.000 6.795 0.000
z 0.000 0.000 -2.993
Polar
3z2-r2-5.985
x2-y2-7.064
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.243 0.000 0.000
y 0.000 10.129 0.000
z 0.000 0.000 8.803


<r2> (average value of r2) Å2
<r2> 130.021
(<r2>)1/2 11.403