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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-629.118234
Energy at 298.15K-629.111179
HF Energy-629.420932
Nuclear repulsion energy286.688379
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/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 3738 3589 28.42      
2 A 3183 3056 17.79      
3 A 3099 2976 9.94      
4 A 3078 2956 16.90      
5 A 3062 2941 34.19      
6 A 3047 2926 49.61      
7 A 1753 1684 99.66      
8 A 1529 1468 3.97      
9 A 1522 1461 3.77      
10 A 1437 1380 1.73      
11 A 1299 1248 10.48      
12 A 1290 1239 54.65      
13 A 1240 1191 2.07      
14 A 1181 1135 193.48      
15 A 1158 1112 0.01      
16 A 1140 1095 3.84      
17 A 1027 986 13.70      
18 A 982 943 0.56      
19 A 914 877 1.26      
20 A 894 858 0.06      
21 A 775 745 44.52      
22 A 773 743 11.33      
23 A 716 688 1.81      
24 A 601 577 0.28      
25 A 488 468 2.24      
26 A 478 459 0.45      
27 A 409 393 109.97      
28 A 380 365 12.06      
29 A 233 224 4.55      
30 A 87 84 3.58      

Unscaled Zero Point Vibrational Energy (zpe) 20757.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 19933.2 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/6-31G*
ABC
0.19887 0.07850 0.05750

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.560 -0.517 -0.000
C2 -0.158 -1.185 0.000
C3 -1.057 0.020 0.000
C4 -0.485 1.229 0.000
C5 1.015 1.260 0.000
O6 -2.386 -0.285 -0.000
H7 -0.334 -1.806 -0.885
H8 -1.050 2.159 0.000
H9 1.425 1.761 0.886
H10 -0.334 -1.805 0.886
H11 1.425 1.761 -0.885
H12 -2.897 0.540 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84262.67092.68941.85903.95222.45553.73842.44802.45552.44794.5808
C21.84261.50342.43652.71152.40291.09583.46123.45921.09583.45953.2376
C32.67091.50341.33752.41411.36372.15422.13913.15782.15413.15801.9129
C42.68942.43651.33751.50032.43013.16541.08802.17143.16512.17152.5088
C51.85902.71152.41411.50033.73503.46442.25241.09683.46401.09683.9779
O63.95222.40291.36372.43013.73502.70312.78514.41482.70334.41490.9708
H72.45551.09582.15423.16543.46442.70314.12544.35321.77153.97713.5856
H83.73843.46122.13911.08802.25242.78514.12542.65894.12512.65892.4563
H92.44803.45923.15782.17141.09684.41484.35322.65893.97621.77054.5782
H102.45551.09582.15413.16513.46402.70331.77154.12513.97624.35313.5863
H112.44793.45953.15802.17151.09684.41493.97712.65891.77054.35314.5778
H124.58083.23761.91292.50883.97790.97083.58562.45634.57823.58634.5778

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 105.483 S1 C2 H7 111.015
S1 C2 H10 111.006 S1 C5 C4 105.838
S1 C5 H9 109.401 S1 C5 H11 109.407
C2 S1 C5 94.472 C2 C3 C4 117.797
C2 C3 O6 113.735 C3 C2 H7 110.774
C3 C2 H10 110.780 C3 C4 C5 116.409
C3 C4 H8 123.630 C3 O6 H12 109.541
C4 C3 O6 128.468 C4 C5 H9 112.257
C4 C5 H11 112.259 C5 C4 H8 119.961
H7 C2 H10 107.817 H9 C5 H11 107.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.087      
2 C -0.464      
3 C 0.346      
4 C -0.174      
5 C -0.450      
6 O -0.615      
7 H 0.190      
8 H 0.124      
9 H 0.177      
10 H 0.190      
11 H 0.177      
12 H 0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.972 1.864 -0.002 2.713
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000