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

using model chemistry: B97D3/TZVP

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/TZVP
 hartrees
Energy at 0K-629.383403
Energy at 298.15K-629.390440
HF Energy-629.383403
Nuclear repulsion energy287.127394
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/TZVP
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 3689 45.95      
2 A 3189 3143 5.47      
3 A 3089 3044 13.91      
4 A 3016 2973 41.85      
5 A 2985 2942 17.88      
6 A 2942 2899 57.56      
7 A 1663 1639 31.23      
8 A 1460 1439 3.39      
9 A 1444 1423 3.00      
10 A 1328 1309 88.08      
11 A 1288 1270 31.78      
12 A 1262 1243 44.66      
13 A 1205 1188 3.51      
14 A 1169 1152 12.83      
15 A 1133 1116 68.18      
16 A 1122 1106 40.59      
17 A 990 976 2.83      
18 A 970 956 1.15      
19 A 894 882 17.65      
20 A 798 787 31.59      
21 A 791 779 12.61      
22 A 753 742 29.88      
23 A 648 639 2.85      
24 A 530 523 2.35      
25 A 493 486 2.02      
26 A 433 427 12.76      
27 A 372 367 6.43      
28 A 261 257 76.74      
29 A 222 219 30.64      
30 A 157 155 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 20175.5 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 19885.0 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/TZVP
ABC
0.19903 0.07813 0.05807

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -1.568 -0.547 -0.082
C2 0.111 -1.125 0.080
C3 1.033 -0.153 0.025
C4 0.489 1.239 -0.205
C5 -0.982 1.194 0.227
O6 2.387 -0.396 0.008
H7 0.308 -2.186 0.162
H8 1.037 2.001 0.366
H9 -1.618 1.887 -0.325
H10 0.586 1.494 -1.273
H11 -1.075 1.387 1.300
H12 2.849 0.418 0.249

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.78312.63312.72731.86283.95972.50343.67242.44743.19772.42784.5336
C21.78311.34052.41022.56712.39141.08293.27293.49672.98523.03363.1473
C32.63311.34051.51182.43191.37632.16282.18143.36382.14362.90551.9169
C42.72732.41021.51181.53372.51423.44921.09932.20831.10212.17572.5389
C51.86282.56712.43191.53373.73193.61842.17931.09152.19021.09453.9084
O63.95972.39141.37632.51423.73192.74812.77464.62292.90794.10330.9665
H72.50341.08292.16283.44923.61842.74814.25574.53253.95943.99733.6397
H83.67243.27292.18141.09932.17932.77464.25572.74661.77402.39012.4084
H92.44743.49673.36382.20831.09154.62294.53252.74662.43141.78544.7372
H103.19772.98522.14361.10212.19022.90793.95941.77402.43143.06432.9307
H112.42783.03362.90552.17571.09454.10333.99732.39011.78543.06434.1762
H124.53363.14731.91692.53893.90840.96653.63972.40844.73722.93074.1762

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 114.164 S1 C2 H7 119.724
S1 C5 C4 106.422 S1 C5 H9 109.066
S1 C5 H11 107.501 C2 S1 C5 89.486
C2 C3 C4 115.219 C2 C3 O6 123.337
C3 C2 H7 126.037 C3 C4 C5 105.976
C3 C4 H8 112.364 C3 C4 H10 109.184
C3 O6 H12 108.547 C4 C3 C5 37.324
C4 C5 H9 113.461 C4 C5 H11 110.642
C5 C4 H8 110.637 C5 C4 H10 111.341
H8 C4 H10 107.386 H9 C5 H11 109.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.008      
2 C -0.167      
3 C -0.008      
4 C -0.201      
5 C -0.305      
6 O -0.267      
7 H 0.154      
8 H 0.109      
9 H 0.144      
10 H 0.127      
11 H 0.150      
12 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.237 2.740 0.486 3.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.399 2.282 1.046
y 2.282 -39.451 0.348
z 1.046 0.348 -45.044
Traceless
 xyz
x -1.151 2.282 1.046
y 2.282 4.771 0.348
z 1.046 0.348 -3.620
Polar
3z2-r2-7.239
x2-y2-3.948
xy2.282
xz1.046
yz0.348


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.134 0.984 0.112
y 0.984 10.721 0.002
z 0.112 0.002 6.950


<r2> (average value of r2) Å2
<r2> 191.239
(<r2>)1/2 13.829