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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-627.132042
Energy at 298.15K-627.139192
Nuclear repulsion energy293.048020
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 LSDA/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 3743 3673 47.94      
2 A 3170 3111 3.57      
3 A 3149 3090 0.22      
4 A 3036 2979 10.42      
5 A 2943 2888 34.42      
6 A 2932 2878 11.95      
7 A 1637 1607 14.40      
8 A 1414 1388 6.84      
9 A 1392 1366 4.64      
10 A 1307 1283 8.69      
11 A 1260 1237 39.74      
12 A 1237 1214 12.60      
13 A 1217 1194 54.64      
14 A 1155 1134 160.41      
15 A 1105 1084 28.44      
16 A 1082 1062 8.26      
17 A 1016 997 5.01      
18 A 972 954 14.36      
19 A 926 909 10.95      
20 A 880 864 1.47      
21 A 801 786 31.38      
22 A 690 677 8.32      
23 A 643 631 41.64      
24 A 622 610 39.97      
25 A 475 466 6.13      
26 A 452 443 3.61      
27 A 397 389 2.58      
28 A 364 357 113.13      
29 A 313 307 19.21      
30 A 61 59 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 20196.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 19818.5 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 LSDA/6-31G**
ABC
0.15352 0.10404 0.06514

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.280 -1.277 -0.052
C2 0.861 0.159 0.375
C3 0.123 1.397 -0.086
C4 -1.336 1.119 0.006
C5 -1.644 -0.184 -0.014
O6 2.095 0.099 -0.234
H7 0.933 0.131 1.483
H8 0.423 1.575 -1.142
H9 -2.090 1.910 0.004
H10 -2.653 -0.607 -0.021
H11 0.454 2.276 0.494
H12 2.634 -0.583 0.206

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.88362.70432.61861.74812.75132.41093.13273.66552.46543.66873.0068
C21.88361.51322.42552.55841.37741.11032.12073.45153.61802.15881.9294
C32.70431.51321.48782.37232.36542.17221.11202.27363.42401.10373.2110
C42.61862.42551.48781.33923.58712.88122.14921.09332.17102.18614.3237
C51.74812.55842.37231.33923.75642.99682.93932.14131.09353.27284.3022
O62.75131.37742.36543.58713.75642.07342.40774.56644.80472.82140.9743
H72.41091.11032.17222.88122.99682.07343.03843.80613.95742.40942.2442
H83.13272.12071.11202.14922.93932.40773.03842.78273.93411.77993.3704
H93.66553.45152.27361.09332.14134.56643.80612.78272.57932.61635.3454
H102.46543.61803.42402.17101.09354.80473.95743.93412.57934.26915.2915
H113.66872.15881.10372.18613.27282.82142.40941.77992.61634.26913.6068
H123.00681.92943.21104.32374.30220.97432.24423.37045.34545.29153.6068

picture of 2,3-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.004 S1 C2 O6 114.170
S1 C2 H7 104.279 S1 C5 C4 115.395
S1 C5 H10 118.538 C2 S1 C5 89.495
C2 C3 C4 107.847 C2 C3 H8 106.771
C2 C3 H11 110.184 C2 O6 H12 109.055
C3 C2 O6 109.740 C3 C2 H7 110.845
C3 C4 C5 114.002 C3 C4 H9 122.764
C4 C3 H8 110.691 C4 C3 H11 114.221
C4 C5 H10 126.062 C5 C4 H9 123.041
O6 C2 H7 112.470 H8 C3 H11 106.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.109      
2 C -0.076      
3 C -0.300      
4 C -0.071      
5 C -0.289      
6 O -0.475      
7 H 0.158      
8 H 0.173      
9 H 0.124      
10 H 0.153      
11 H 0.154      
12 H 0.341      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.517 0.755 1.328 1.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.621 -3.046 3.178
y -3.046 -42.209 -0.243
z 3.178 -0.243 -44.482
Traceless
 xyz
x 6.725 -3.046 3.178
y -3.046 -1.658 -0.243
z 3.178 -0.243 -5.067
Polar
3z2-r2-10.133
x2-y25.589
xy-3.046
xz3.178
yz-0.243


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.069 -0.079 0.172
y -0.079 10.737 0.040
z 0.172 0.040 5.808


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