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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-ol)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-627.409301
Energy at 298.15K-627.416991
HF Energy-627.409301
Nuclear repulsion energy293.211887
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 A 4141 3763 89.69      
2 A 3328 3023 12.13      
3 A 3281 2981 18.61      
4 A 3225 2930 53.49      
5 A 3203 2910 16.65      
6 A 3156 2867 57.48      
7 A 1835 1667 195.27      
8 A 1631 1481 0.44      
9 A 1607 1460 2.30      
10 A 1497 1360 9.45      
11 A 1459 1325 22.50      
12 A 1416 1287 11.08      
13 A 1368 1243 34.78      
14 A 1296 1178 6.31      
15 A 1254 1140 162.87      
16 A 1253 1138 71.71      
17 A 1117 1015 9.12      
18 A 1082 983 18.36      
19 A 979 890 13.55      
20 A 935 849 0.61      
21 A 854 776 56.20      
22 A 755 686 3.48      
23 A 737 670 11.42      
24 A 678 616 8.03      
25 A 586 532 3.45      
26 A 511 464 3.65      
27 A 392 356 10.41      
28 A 345 313 109.93      
29 A 276 251 14.25      
30 A 162 147 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 22177.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 20150.3 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
0.15736 0.10164 0.06404

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.080 -1.263 -0.104
C2 -0.858 0.238 0.018
C3 -0.151 1.349 0.020
C4 1.331 1.139 -0.155
C5 1.614 -0.319 0.238
O6 -2.185 0.071 0.072
H7 -0.593 2.328 0.070
H8 1.917 1.809 0.465
H9 1.825 -0.396 1.295
H10 1.622 1.319 -1.187
H11 2.432 -0.754 -0.316
H12 -2.623 0.905 0.030

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77412.62532.70951.83292.63483.65763.62462.39833.19672.41603.4683
C21.77411.31672.37382.54301.33892.10723.21993.03792.96143.45231.8875
C32.62531.31671.50742.43832.40261.07492.16492.92852.14523.34782.5115
C42.70952.37381.50741.53693.68212.27251.08402.16891.08732.19603.9657
C51.83292.54302.43831.53693.82243.45022.16211.08092.17101.07964.4153
O62.63481.33892.40263.68213.82242.76194.47244.21814.19974.70640.9435
H73.65762.10721.07492.27253.45022.76192.59293.84272.73914.33522.4792
H83.62463.21992.16491.08402.16214.47242.59292.35871.74772.72854.6495
H92.39833.03792.92852.16891.08094.21813.84272.35873.02371.75874.8040
H103.19672.96142.14521.08732.17104.19972.73911.74773.02372.38954.4357
H112.41603.45233.34782.19601.07964.70644.33522.72851.75872.38955.3320
H123.46831.88752.51153.96574.41530.94352.47924.64954.80404.43575.3320

picture of 4,5-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 115.493 S1 C2 O6 114.924
S1 C5 C4 106.709 S1 C5 H9 107.991
S1 C5 H11 109.364 C2 S1 C5 89.646
C2 C3 C4 114.227 C2 C3 H7 123.228
C2 O6 H12 110.384 C3 C2 O6 129.573
C3 C4 C5 106.441 C3 C4 H8 112.290
C3 C4 H10 110.496 C4 C3 H7 122.405
C4 C5 H9 110.687 C4 C5 H11 112.969
C5 C4 H8 109.966 C5 C4 H10 110.478
H8 C4 H10 107.205 H9 C5 H11 108.981
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 -0.050      
2 C 0.102      
3 C -0.264      
4 C -0.073      
5 C -0.202      
6 O -0.330      
7 H 0.126      
8 H 0.088      
9 H 0.115      
10 H 0.086      
11 H 0.112      
12 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.943 2.668 0.119 2.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.926 -5.182 0.606
y -5.182 -42.887 -0.104
z 0.606 -0.104 -45.619
Traceless
 xyz
x 6.327 -5.182 0.606
y -5.182 -1.114 -0.104
z 0.606 -0.104 -5.213
Polar
3z2-r2-10.427
x2-y24.961
xy-5.182
xz0.606
yz-0.104


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.098 0.575 0.111
y 0.575 10.461 0.137
z 0.111 0.137 6.431


<r2> (average value of r2) Å2
<r2> 179.579
(<r2>)1/2 13.401