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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-629.440912
Energy at 298.15K-629.448036
Nuclear repulsion energy287.360197
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/6-31+G**
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 3826 3689 59.73      
2 A 3251 3134 6.11      
3 A 3145 3032 9.73      
4 A 3074 2964 35.64      
5 A 3044 2935 15.01      
6 A 3003 2895 50.59      
7 A 1712 1651 43.30      
8 A 1495 1442 3.34      
9 A 1477 1424 3.15      
10 A 1367 1318 97.37      
11 A 1314 1266 22.83      
12 A 1286 1240 55.83      
13 A 1233 1189 2.79      
14 A 1187 1144 8.19      
15 A 1163 1121 99.33      
16 A 1143 1102 19.54      
17 A 1013 977 2.74      
18 A 990 954 1.15      
19 A 915 882 20.51      
20 A 820 791 33.11      
21 A 811 782 6.82      
22 A 792 764 33.30      
23 A 674 650 2.76      
24 A 540 521 2.63      
25 A 503 485 2.06      
26 A 446 430 11.22      
27 A 378 365 6.88      
28 A 256 247 60.82      
29 A 228 220 59.75      
30 A 160 154 3.95      

Unscaled Zero Point Vibrational Energy (zpe) 20622.1 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 19883.9 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/6-31+G**
ABC
0.19912 0.07834 0.05816

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.564 -0.550 -0.080
C2 0.114 -1.125 0.079
C3 1.032 -0.151 0.021
C4 0.488 1.243 -0.199
C5 -0.990 1.189 0.221
O6 2.383 -0.392 0.004
H7 0.317 -2.184 0.164
H8 1.029 2.000 0.384
H9 -1.623 1.878 -0.342
H10 0.595 1.512 -1.261
H11 -1.095 1.397 1.290
H12 2.861 0.402 0.276

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.78032.62812.72711.85593.95102.50373.66642.44283.21042.42634.5398
C21.78031.33942.41292.56782.38611.08233.27083.49412.99693.04753.1492
C32.62811.33941.51252.43441.37252.15972.18223.36112.14532.92111.9278
C42.72712.41291.51251.53762.51083.45041.09842.20881.10112.17872.5617
C51.85592.56782.43441.53763.73183.61862.18231.09102.19371.09403.9310
O63.95102.38611.37252.51083.73182.73992.77504.61712.90254.11740.9658
H72.50371.08232.15973.45043.61862.73994.25074.53003.97134.01143.6295
H83.66643.27082.18221.09842.18232.77504.25072.75181.77002.38692.4333
H92.44283.49413.36112.20881.09104.61714.53002.75182.42831.78034.7603
H103.21042.99692.14531.10112.19372.90253.97131.77002.42833.06202.9548
H112.42633.04752.92112.17871.09404.11744.01142.38691.78033.06204.2032
H124.53983.14921.92782.56173.93100.96583.62952.43334.76032.95484.2032

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 114.043 S1 C2 H7 120.017
S1 C5 C4 106.583 S1 C5 H9 109.209
S1 C5 H11 107.869 C2 S1 C5 89.823
C2 C3 C4 115.440 C2 C3 O6 123.240
C3 C2 H7 125.871 C3 C4 C5 105.907
C3 C4 H8 112.436 C3 C4 H10 109.331
C3 O6 H12 109.838 C4 C3 C5 37.403
C4 C5 H9 113.248 C4 C5 H11 110.634
C5 C4 H8 110.654 C5 C4 H10 111.406
H8 C4 H10 107.164 H9 C5 H11 109.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.029      
2 C -0.056      
3 C 0.023      
4 C -0.193      
5 C -0.480      
6 O -0.508      
7 H 0.162      
8 H 0.140      
9 H 0.177      
10 H 0.172      
11 H 0.190      
12 H 0.345      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.222 2.867 0.578 3.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.354 2.316 1.253
y 2.316 -39.779 0.366
z 1.253 0.366 -45.657
Traceless
 xyz
x -1.636 2.316 1.253
y 2.316 5.227 0.366
z 1.253 0.366 -3.591
Polar
3z2-r2-7.182
x2-y2-4.575
xy2.316
xz1.253
yz0.366


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.152 1.084 0.056
y 1.084 10.563 -0.106
z 0.056 -0.106 7.665


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