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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

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 C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-629.275347
Energy at 298.15K-629.282433
HF Energy-629.275347
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 A 3655 3583 21.36      
2 A 3125 3064 23.04      
3 A 3037 2978 13.89      
4 A 3011 2952 22.00      
5 A 2999 2940 43.32      
6 A 2979 2921 62.76      
7 A 1708 1674 92.44      
8 A 1496 1467 4.76      
9 A 1491 1462 3.66      
10 A 1410 1382 1.18      
11 A 1268 1244 6.09      
12 A 1258 1234 52.82      
13 A 1216 1192 0.83      
14 A 1154 1131 191.15      
15 A 1132 1110 0.18      
16 A 1116 1094 3.56      
17 A 1010 990 13.91      
18 A 962 943 0.31      
19 A 893 875 2.02      
20 A 876 859 0.15      
21 A 752 737 10.64      
22 A 734 720 45.00      
23 A 696 682 1.70      
24 A 585 574 0.17      
25 A 472 462 4.01      
26 A 470 461 0.46      
27 A 407 399 101.54      
28 A 373 366 11.24      
29 A 220 216 4.42      
30 A 76 75 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 20290.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19892.5 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
0.19762 0.07810 0.05719

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.562 -0.520 0.000
C2 -0.158 -1.187 0.000
C3 -1.059 0.021 -0.000
C4 -0.483 1.236 -0.000
C5 1.018 1.261 0.000
O6 -2.394 -0.287 -0.000
H7 -0.335 -1.810 -0.889
H8 -1.047 2.171 -0.000
H9 1.432 1.763 0.889
H10 -0.335 -1.810 0.890
H11 1.432 1.763 -0.889
H12 -2.897 0.548 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84522.67722.69621.86313.96322.46063.74882.45402.46062.45404.5859
C21.84521.50662.44442.71582.40991.10043.47363.46701.10053.46713.2420
C32.67721.50661.34522.41951.36932.16042.15083.16762.16043.16761.9119
C42.69622.44441.34521.50112.44333.17671.09202.17623.17672.17622.5102
C51.86312.71582.41951.50113.74633.47192.25611.10183.47181.10183.9794
O63.96322.40991.36932.44333.74632.71122.80304.43042.71134.43040.9747
H72.46061.10042.16043.17673.47192.71124.14124.36491.77923.98603.5939
H83.74883.47362.15081.09202.25612.80304.14122.66474.14112.66472.4617
H92.45403.46703.16762.17621.10184.43044.36492.66473.98591.77854.5835
H102.46061.10052.16043.17673.47182.71131.77924.14113.98594.36493.5940
H112.45403.46713.16762.17621.10184.43043.98602.66471.77854.36494.5835
H124.58593.24201.91192.51023.97940.97473.59392.46174.58353.59404.5835

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.612 S1 C2 H7 110.904
S1 C2 H10 110.906 S1 C5 C4 106.125
S1 C5 H9 109.188 S1 C5 H11 109.185
C2 S1 C5 94.284 C2 C3 C4 117.820
C2 C3 O6 113.784 C3 C2 H7 110.840
C3 C2 H10 110.838 C3 C4 C5 116.159
C3 C4 H8 123.587 C3 O6 H12 108.256
C4 C3 O6 128.396 C4 C5 H9 112.386
C4 C5 H11 112.388 C5 C4 H8 120.254
H7 C2 H10 107.775 H9 C5 H11 107.511
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 0.085      
2 C -0.473      
3 C 0.334      
4 C -0.179      
5 C -0.458      
6 O -0.595      
7 H 0.194      
8 H 0.129      
9 H 0.182      
10 H 0.194      
11 H 0.182      
12 H 0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.016 1.837 -0.001 2.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.927 -1.630 0.001
y -1.630 -38.507 -0.001
z 0.001 -0.001 -44.344
Traceless
 xyz
x -0.501 -1.630 0.001
y -1.630 4.629 -0.001
z 0.001 -0.001 -4.128
Polar
3z2-r2-8.255
x2-y2-3.420
xy-1.630
xz0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.287 0.571 0.001
y 0.571 10.227 -0.000
z 0.001 -0.000 5.490


<r2> (average value of r2) Å2
<r2> 192.300
(<r2>)1/2 13.867