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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-547.928237
Energy at 298.15K-547.934866
Nuclear repulsion energy213.685582
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 B3LYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3481 3106 1.31      
2 A 3451 3080 14.40      
3 A 3435 3066 4.07      
4 A 3408 3041 1.51      
5 A 3329 2971 3.84      
6 A 3313 2956 4.81      
7 A 1792 1599 12.43      
8 A 1684 1503 0.29      
9 A 1666 1486 0.83      
10 A 1472 1314 0.31      
11 A 1427 1273 6.40      
12 A 1371 1224 7.98      
13 A 1353 1208 0.00      
14 A 1246 1112 0.41      
15 A 1201 1071 0.32      
16 A 1105 986 3.85      
17 A 1076 960 0.20      
18 A 997 890 0.51      
19 A 985 879 0.68      
20 A 891 795 13.13      
21 A 857 765 0.15      
22 A 841 750 4.52      
23 A 742 662 1.30      
24 A 720 643 23.00      
25 A 573 512 1.42      
26 A 410 366 1.96      
27 A 69 62 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21445.7 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 19138.1 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 B3LYP/STO-3G
ABC
0.22371 0.15144 0.09349

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 -1.301 0.000
H2 -0.045 -1.948 -0.888
H3 -0.044 -1.947 0.890
C4 1.449 -0.562 -0.000
H5 2.040 -0.854 -0.889
H6 2.041 -0.855 0.887
C7 -0.127 1.289 0.000
H8 -0.507 2.319 0.000
C9 1.170 0.949 0.000
H10 1.999 1.666 0.000
S11 -1.298 -0.039 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.10371.10371.57642.21942.21932.59713.66322.51043.54631.8513
H21.10371.77762.22252.35442.94913.35844.38283.26464.24592.4503
H31.10371.77762.22242.94992.35423.35754.38173.26364.24472.4503
C41.57642.22252.22241.10651.10642.43193.48201.53662.29492.7966
H52.21942.35442.94991.10651.77603.17574.16482.19062.67263.5495
H62.21932.94912.35421.10641.77603.17644.16542.19072.67233.5505
C72.59713.35843.35752.43193.17573.17641.09671.34152.15981.7709
H83.66324.38284.38173.48204.16484.16541.09672.16522.58992.4870
C92.51043.26463.26361.53662.19062.19071.34152.16521.09622.6587
H103.54634.24594.24472.29492.67262.67232.15982.58991.09623.7122
S111.85132.45032.45032.79663.54953.55051.77092.48702.65873.7122

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 110.407 C1 C4 H6 110.402
C1 C4 C9 107.491 C1 S11 C7 91.585
H2 C1 H3 107.277 H2 C1 C4 110.813
H2 C1 S11 109.414 H3 C1 C4 110.806
H3 C1 S11 109.418 C4 C1 S11 109.083
C4 C9 C7 115.169 C4 C9 H10 120.383
H5 C4 H6 106.751 H5 C4 C9 110.906
H6 C4 C9 110.916 C7 C9 H10 124.447
H8 C7 C9 124.951 H8 C7 S11 118.377
C9 C7 S11 116.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 H 0.076      
3 H 0.076      
4 C -0.138      
5 H 0.076      
6 H 0.076      
7 C -0.187      
8 H 0.081      
9 C -0.104      
10 H 0.072      
11 S 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.415 -0.411 0.000 0.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.597 -0.552 -0.000
y -0.552 -32.271 0.000
z -0.000 0.000 -35.134
Traceless
 xyz
x -0.894 -0.552 -0.000
y -0.552 2.594 0.000
z -0.000 0.000 -1.700
Polar
3z2-r2-3.400
x2-y2-2.326
xy-0.552
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.743 -0.025 0.000
y -0.025 5.088 0.000
z 0.000 0.000 2.049


<r2> (average value of r2) Å2
<r2> 129.530
(<r2>)1/2 11.381