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

using model chemistry: LSDA/6-311G**

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/6-311G**
 hartrees
Energy at 0K-627.226601
Energy at 298.15K-627.233765
Nuclear repulsion energy290.978056
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/6-311G**
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 3745 3699 76.69      
2 A 3171 3132 6.41      
3 A 3072 3034 4.21      
4 A 2989 2952 29.64      
5 A 2972 2936 6.20      
6 A 2911 2875 40.04      
7 A 1696 1675 45.02      
8 A 1401 1384 18.95      
9 A 1383 1366 7.64      
10 A 1356 1339 154.31      
11 A 1268 1252 21.06      
12 A 1238 1223 36.54      
13 A 1216 1201 6.34      
14 A 1151 1136 9.49      
15 A 1116 1102 58.00      
16 A 1099 1086 31.24      
17 A 999 986 0.59      
18 A 968 956 5.11      
19 A 908 897 21.95      
20 A 817 807 26.46      
21 A 803 793 6.38      
22 A 747 737 35.74      
23 A 678 670 2.06      
24 A 542 535 2.48      
25 A 496 490 3.80      
26 A 440 434 15.23      
27 A 371 366 8.02      
28 A 288 285 93.41      
29 A 238 235 10.72      
30 A 183 181 5.00      

Unscaled Zero Point Vibrational Energy (zpe) 20128.9 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 19881.3 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/6-311G**
ABC
0.20556 0.08020 0.06003

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.549 -0.522 -0.094
C2 0.095 -1.116 0.088
C3 1.024 -0.157 0.023
C4 0.476 1.209 -0.232
C5 -0.949 1.163 0.264
O6 2.353 -0.389 0.023
H7 0.287 -2.184 0.182
H8 1.052 2.001 0.282
H9 -1.612 1.897 -0.214
H10 0.518 1.418 -1.321
H11 -0.975 1.298 1.358
H12 2.814 0.450 0.184

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.75722.60172.66791.82483.90612.49113.64322.42293.08942.39874.4785
C21.75721.33692.37732.51322.37311.08903.26623.47572.93022.93013.1391
C32.60171.33691.49352.38691.34902.16262.17373.35042.13162.81021.8966
C42.66792.37731.49351.51012.47813.42281.10562.19891.11012.15432.4923
C51.82482.51322.38691.51013.65733.56902.16951.09802.17531.10243.8310
O63.90612.37311.34902.47813.65732.74142.73404.58322.90513.96320.9711
H72.49111.08902.16263.42283.56902.74144.25534.51803.90973.88593.6503
H83.64323.26622.17371.10562.16952.73404.25532.71171.78692.39992.3492
H92.42293.47573.35042.19891.09804.58324.51802.71172.44811.79874.6732
H103.08942.93022.13161.11012.17532.90513.90971.78692.44813.06942.9104
H112.39872.93012.81022.15431.10243.96323.88592.39991.79873.06944.0561
H124.47853.13911.89662.49233.83100.97113.65032.34924.67322.91044.0561

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 113.772 S1 C2 H7 120.319
S1 C5 C4 105.871 S1 C5 H9 109.458
S1 C5 H11 107.479 C2 S1 C5 89.097
C2 C3 C4 114.149 C2 C3 O6 124.148
C3 C2 H7 125.806 C3 C4 C5 105.246
C3 C4 H8 112.658 C3 C4 H10 109.021
C3 O6 H12 108.562 C4 C3 C5 37.619
C4 C5 H9 114.007 C4 C5 H11 110.114
C5 C4 H8 111.129 C5 C4 H10 111.317
H8 C4 H10 107.503 H9 C5 H11 109.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.163      
2 C -0.309      
3 C 0.116      
4 C -0.333      
5 C -0.497      
6 O -0.315      
7 H 0.167      
8 H 0.160      
9 H 0.199      
10 H 0.186      
11 H 0.204      
12 H 0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.590 2.749 0.454 3.208
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.743 2.311 0.586
y 2.311 -39.586 0.263
z 0.586 0.263 -45.591
Traceless
 xyz
x -0.155 2.311 0.586
y 2.311 4.581 0.263
z 0.586 0.263 -4.426
Polar
3z2-r2-8.853
x2-y2-3.157
xy2.311
xz0.586
yz0.263


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.755 1.090 0.137
y 1.090 10.245 -0.039
z 0.137 -0.039 6.262


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