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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-626.046956
Energy at 298.15K-626.053858
HF Energy-626.046956
Nuclear repulsion energy 
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 B97D3/3-21G
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 3423 3365 10.48      
2 A 3248 3193 5.67      
3 A 3140 3087 8.87      
4 A 3063 3011 24.53      
5 A 3015 2964 14.16      
6 A 2977 2926 36.52      
7 A 1685 1657 14.28      
8 A 1501 1475 2.71      
9 A 1489 1464 4.22      
10 A 1330 1307 18.08      
11 A 1301 1279 25.94      
12 A 1276 1254 81.38      
13 A 1226 1206 1.75      
14 A 1191 1171 8.38      
15 A 1161 1141 5.10      
16 A 1113 1094 122.08      
17 A 988 971 1.06      
18 A 972 955 1.26      
19 A 882 867 14.17      
20 A 799 785 52.34      
21 A 779 766 16.35      
22 A 753 740 35.37      
23 A 610 600 4.25      
24 A 511 502 1.66      
25 A 482 474 2.10      
26 A 437 430 11.46      
27 A 352 346 6.49      
28 A 251 247 71.51      
29 A 212 209 59.46      
30 A 137 134 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 20151.0 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 19808.4 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 B97D3/3-21G
ABC
0.19179 0.07522 0.05594

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.614 -0.559 -0.082
C2 0.129 -1.138 0.085
C3 1.046 -0.160 0.016
C4 0.500 1.249 -0.217
C5 -0.973 1.241 0.240
O6 2.424 -0.410 0.006
H7 0.334 -2.195 0.189
H8 1.068 2.004 0.351
H9 -1.609 1.930 -0.321
H10 0.575 1.492 -1.291
H11 -1.055 1.410 1.319
H12 2.898 0.424 0.283

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84502.69222.78501.93784.04242.55853.73502.50053.23432.48014.6324
C21.84501.34282.43462.62682.40931.08113.29043.55023.00223.06893.1851
C32.69221.34281.52872.46791.40052.16292.19013.39632.15862.92921.9596
C42.78502.43461.52871.54252.55003.47141.10302.21921.10362.19262.5845
C51.93782.62682.46791.54253.78433.67642.18151.09302.19181.09533.9564
O64.04242.40931.40052.55003.78432.75492.79044.67462.95304.14050.9978
H72.55851.08112.16293.47143.67642.75494.26574.58833.98024.02503.6660
H83.73503.29042.19011.10302.18152.79044.26572.76121.78992.40802.4190
H92.50053.55023.39632.21921.09304.67464.58832.76122.42991.80774.7905
H103.23433.00222.15861.10362.19182.95303.98021.78992.42993.07893.0025
H112.48013.06892.92922.19261.09534.14054.02502.40801.80773.07894.2042
H124.63243.18511.95962.58453.95640.99783.66602.41904.79053.00254.2042

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 114.787 S1 C2 H7 120.221
S1 C5 C4 106.221 S1 C5 H9 109.380
S1 C5 H11 107.934 C2 S1 C5 88.516
C2 C3 C4 114.708 C2 C3 O6 123.434
C3 C2 H7 124.960 C3 C4 C5 106.655
C3 C4 H8 112.101 C3 C4 H10 109.235
C3 O6 H12 110.127 C4 C3 C5 36.923
C4 C5 H9 113.261 C4 C5 H11 109.976
C5 C4 H8 110.060 C5 C4 H10 110.884
H8 C4 H10 107.930 H9 C5 H11 109.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.316      
2 C -0.533      
3 C 0.318      
4 C -0.468      
5 C -0.605      
6 O -0.552      
7 H 0.234      
8 H 0.208      
9 H 0.241      
10 H 0.239      
11 H 0.248      
12 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.660 3.043 0.640 3.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.938 2.339 1.298
y 2.339 -39.226 0.113
z 1.298 0.113 -44.880
Traceless
 xyz
x -0.885 2.339 1.298
y 2.339 4.683 0.113
z 1.298 0.113 -3.799
Polar
3z2-r2-7.597
x2-y2-3.712
xy2.339
xz1.298
yz0.113


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.722 1.061 0.234
y 1.061 9.182 0.056
z 0.234 0.056 4.713


<r2> (average value of r2) Å2
<r2> 197.050
(<r2>)1/2 14.037