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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-552.526329
Energy at 298.15K-552.533427
HF Energy-552.526329
Nuclear repulsion energy216.494159
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 HF/TZVP
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 3343 3037 18.14      
2 A1 3202 2909 0.23      
3 A1 1848 1679 10.64      
4 A1 1622 1473 4.91      
5 A1 1419 1290 1.59      
6 A1 1242 1128 0.53      
7 A1 1007 915 0.35      
8 A1 773 703 4.20      
9 A1 556 505 0.00      
10 A2 3238 2942 0.00      
11 A2 1255 1140 0.00      
12 A2 1092 992 0.00      
13 A2 1032 938 0.00      
14 A2 416 378 0.00      
15 B1 3240 2944 28.97      
16 B1 1240 1127 19.37      
17 B1 998 907 3.20      
18 B1 753 684 52.01      
19 B1 112 101 4.69      
20 B2 3318 3014 5.34      
21 B2 3202 2909 83.23      
22 B2 1617 1469 0.01      
23 B2 1489 1353 3.68      
24 B2 1381 1255 9.96      
25 B2 1032 938 8.25      
26 B2 893 812 1.84      
27 B2 698 634 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 21008.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 19088.0 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 HF/TZVP
ABC
0.22274 0.15978 0.09633

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.248
C2 0.000 1.347 -0.000
C3 0.000 -1.347 -0.000
C4 0.000 0.656 -1.334
C5 0.000 -0.656 -1.334
H6 -0.877 1.968 0.128
H7 0.877 1.968 0.128
H8 0.877 -1.968 0.128
H9 -0.877 -1.968 0.128
H10 0.000 1.244 -2.234
H11 0.000 -1.244 -2.234

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
S11.83591.83592.66342.66342.42812.42812.42812.42813.69743.6974
C21.83592.69331.50172.40601.08231.08233.43103.43102.23653.4207
C31.83592.69332.40601.50173.43103.43101.08231.08233.42072.2365
C42.66341.50172.40601.31212.15092.15093.12903.12901.07542.1024
C52.66342.40601.50171.31213.12903.12902.15092.15092.10241.0754
H62.42811.08233.43102.15093.12901.75394.30903.93592.62184.0822
H72.42811.08233.43102.15093.12901.75393.93594.30902.62184.0822
H82.42813.43101.08233.12902.15094.30903.93591.75394.08222.6218
H92.42813.43101.08233.12902.15093.93594.30901.75394.08222.6218
H103.69742.23653.42071.07542.10242.62182.62184.08224.08222.4874
H113.69743.42072.23652.10241.07544.08224.08222.62182.62182.4874

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 105.439 S1 C2 H6 109.913
S1 C2 H7 109.913 S1 C3 C5 105.439
S1 C3 H8 109.913 S1 C3 H9 109.913
C2 S1 C3 94.363 C2 C4 C5 117.380
C2 C4 H10 119.498 C3 C5 C4 117.380
C3 C5 H11 119.498 C4 C2 H6 111.661
C4 C2 H7 111.661 C4 C5 H11 123.122
C5 C3 H8 111.661 C5 C3 H9 111.661
C5 C4 H10 123.122 H6 C2 H7 108.236
H8 C3 H9 108.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.096      
2 C -0.134      
3 C -0.134      
4 C -0.161      
5 C -0.161      
6 H 0.105      
7 H 0.105      
8 H 0.105      
9 H 0.105      
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 -2.026 2.026
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.326 0.000 0.000
y 0.000 -32.762 0.000
z 0.000 0.000 -40.064
Traceless
 xyz
x -3.913 0.000 0.000
y 0.000 7.433 0.000
z 0.000 0.000 -3.520
Polar
3z2-r2-7.040
x2-y2-7.564
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.972 0.000 0.000
y 0.000 10.583 0.000
z 0.000 0.000 8.785


<r2> (average value of r2) Å2
<r2> 128.444
(<r2>)1/2 11.333