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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-627.429529
Energy at 298.15K-627.437172
Nuclear repulsion energy290.406525
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/6-311+G(3df,2p)
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 4178 3796 86.71      
2 A 3307 3004 17.10      
3 A 3234 2938 6.31      
4 A 3215 2921 11.74      
5 A 3195 2903 36.85      
6 A 3184 2893 51.27      
7 A 1876 1704 138.50      
8 A 1628 1479 2.13      
9 A 1616 1468 5.31      
10 A 1532 1392 6.10      
11 A 1410 1281 4.79      
12 A 1395 1267 67.78      
13 A 1320 1199 20.42      
14 A 1272 1156 195.90      
15 A 1258 1143 0.25      
16 A 1234 1122 6.24      
17 A 1081 982 13.44      
18 A 1053 957 1.25      
19 A 989 899 1.03      
20 A 949 862 0.28      
21 A 886 805 47.05      
22 A 847 770 18.83      
23 A 784 712 2.51      
24 A 656 596 0.54      
25 A 540 490 0.89      
26 A 517 470 0.52      
27 A 414 376 12.63      
28 A 394 358 106.75      
29 A 262 238 7.14      
30 A 96 87 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 22159.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 20134.5 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 HF/6-311+G(3df,2p)
ABC
0.20444 0.08040 0.05896

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.538 -0.507 -0.000
C2 0.149 -1.176 0.000
C3 1.046 0.021 0.000
C4 0.486 1.211 -0.000
C5 -1.012 1.242 0.000
O6 2.355 -0.275 0.000
H7 0.324 -1.784 0.877
H8 1.048 2.128 -0.000
H9 -1.411 1.736 -0.875
H10 0.324 -1.785 -0.876
H11 -1.411 1.736 0.876
H12 2.881 0.504 0.002

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.81452.63742.65531.82633.89992.42213.69212.41182.42212.41184.5333
C21.81451.49592.41102.68222.38301.08153.42423.41811.08153.41783.2076
C32.63741.49591.31522.39311.34212.13312.10713.12212.13313.12191.8976
C42.65532.41101.31521.49902.38783.12561.07522.15473.12572.15482.4970
C51.82632.68222.39311.49903.69333.42222.24281.08193.42261.08193.9627
O63.89992.38301.34212.38783.69332.67822.73574.35872.67804.35850.9403
H72.42211.08152.13313.12563.42222.67824.07444.29861.75353.92473.5417
H83.69213.42422.10711.07522.24282.73574.07442.63944.07462.63962.4490
H92.41183.41813.12212.15471.08194.35874.29862.63943.92571.75144.5511
H102.42211.08152.13313.12573.42262.67801.75354.07463.92574.29863.5425
H112.41183.41783.12192.15481.08194.35853.92472.63961.75144.29864.5502
H124.53333.20761.89762.49703.96270.94033.54172.44904.55113.54254.5502

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 105.224 S1 C2 H7 110.971
S1 C2 H10 110.967 S1 C5 C4 105.558
S1 C5 H9 109.373 S1 C5 H11 109.377
C2 S1 C5 94.902 C2 C3 C4 117.961
C2 C3 O6 114.102 C3 C2 H7 110.680
C3 C2 H10 110.682 C3 C4 C5 116.355
C3 C4 H8 123.326 C3 O6 H12 111.271
C4 C3 O6 127.937 C4 C5 H9 112.198
C4 C5 H11 112.199 C5 C4 H8 120.319
H7 C2 H10 108.323 H9 C5 H11 108.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.651      
2 C 0.220      
3 C 0.496      
4 C -0.023      
5 C -0.109      
6 O -0.785      
7 H 0.128      
8 H 0.110      
9 H 0.125      
10 H 0.128      
11 H 0.125      
12 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.755 1.851 0.004 2.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.832 1.570 0.010
y 1.570 -39.217 0.002
z 0.010 0.002 -45.487
Traceless
 xyz
x -1.480 1.570 0.010
y 1.570 5.442 0.002
z 0.010 0.002 -3.963
Polar
3z2-r2-7.925
x2-y2-4.615
xy1.570
xz0.010
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.724 -0.485 0.001
y -0.485 10.864 0.000
z 0.001 0.000 7.394


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