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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-3-ol)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-629.299788
Energy at 298.15K-629.306698
HF Energy-629.299788
Nuclear repulsion energy284.699813
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 BLYP/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 3586 3557 20.94      
2 A 3175 3149 6.46      
3 A 3069 3044 13.67      
4 A 3003 2979 34.86      
5 A 2954 2930 24.54      
6 A 2921 2898 52.78      
7 A 1661 1647 21.91      
8 A 1479 1467 1.73      
9 A 1464 1452 1.00      
10 A 1329 1318 84.38      
11 A 1289 1279 35.15      
12 A 1263 1253 45.84      
13 A 1206 1196 2.75      
14 A 1170 1161 12.92      
15 A 1135 1126 80.43      
16 A 1122 1112 22.49      
17 A 993 985 1.98      
18 A 959 951 0.73      
19 A 886 879 16.11      
20 A 794 788 16.10      
21 A 781 775 20.88      
22 A 749 743 29.22      
23 A 636 631 2.99      
24 A 519 515 1.73      
25 A 483 480 1.06      
26 A 429 426 9.31      
27 A 363 360 4.44      
28 A 261 259 69.33      
29 A 217 215 37.49      
30 A 146 145 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 20020.8 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 19858.6 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 BLYP/6-31G*
ABC
0.19509 0.07697 0.05705

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.577 -0.553 -0.079
C2 0.112 -1.134 0.081
C3 1.044 -0.158 0.017
C4 0.497 1.252 -0.195
C5 -0.999 1.197 0.216
O6 2.401 -0.396 0.001
H7 0.312 -2.201 0.169
H8 1.040 2.006 0.404
H9 -1.628 1.891 -0.358
H10 0.614 1.539 -1.258
H11 -1.111 1.425 1.288
H12 2.874 0.405 0.294

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.79312.65272.75141.86613.98172.51953.69212.45953.25082.44904.5682
C21.79311.35162.43252.58542.40651.08953.29073.51663.03193.08273.1696
C32.65271.35161.52722.45941.37722.17602.19843.38792.16642.96081.9343
C42.75142.43251.52721.55182.52563.47721.10612.22461.10802.19392.5704
C51.86612.58542.45941.55183.76013.64252.20171.09862.21171.10163.9534
O63.98172.40651.37722.52563.76012.76612.78984.64612.91964.15990.9756
H72.51951.08952.17603.47723.64252.76614.27654.55894.01524.05333.6571
H83.69213.29072.19841.10612.20172.78984.27652.77741.77892.39712.4366
H92.45953.51663.38792.22461.09864.64614.55892.77742.44121.78694.7852
H103.25083.03192.16641.10802.21172.91964.01521.77892.44123.07772.9673
H112.44903.08272.96082.19391.10164.15994.05332.39711.78693.07774.2316
H124.56823.16961.93432.57043.95340.97563.65712.43664.78522.96734.2316

picture of 4,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 114.299 S1 C2 H7 119.873
S1 C5 C4 106.861 S1 C5 H9 109.370
S1 C5 H11 108.459 C2 S1 C5 89.888
C2 C3 C4 115.201 C2 C3 O6 123.742
C3 C2 H7 125.761 C3 C4 C5 106.022
C3 C4 H8 112.217 C3 C4 H10 109.567
C3 O6 H12 109.409 C4 C3 C5 37.334
C4 C5 H9 113.031 C4 C5 H11 110.401
C5 C4 H8 110.748 C5 C4 H10 111.424
H8 C4 H10 106.927 H9 C5 H11 108.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.103      
2 C -0.318      
3 C 0.350      
4 C -0.305      
5 C -0.384      
6 O -0.581      
7 H 0.143      
8 H 0.125      
9 H 0.160      
10 H 0.151      
11 H 0.168      
12 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.426 2.718 0.552 3.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.634 2.102 1.065
y 2.102 -39.205 0.279
z 1.065 0.279 -44.468
Traceless
 xyz
x -0.798 2.102 1.065
y 2.102 4.346 0.279
z 1.065 0.279 -3.549
Polar
3z2-r2-7.097
x2-y2-3.429
xy2.102
xz1.065
yz0.279


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.241 1.012 0.160
y 1.012 9.706 -0.012
z 0.160 -0.012 5.678


<r2> (average value of r2) Å2
<r2> 193.768
(<r2>)1/2 13.920