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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-ol)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-626.186007
Energy at 298.15K-626.193221
Nuclear repulsion energy285.865165
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/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 3487 3364 10.43      
2 A 3210 3098 8.29      
3 A 3187 3076 7.31      
4 A 3119 3009 22.03      
5 A 3084 2976 12.03      
6 A 3028 2922 36.91      
7 A 1696 1636 108.24      
8 A 1545 1491 0.61      
9 A 1523 1470 4.89      
10 A 1398 1349 20.71      
11 A 1361 1313 18.98      
12 A 1319 1273 5.05      
13 A 1289 1244 3.45      
14 A 1217 1174 1.86      
15 A 1183 1141 3.41      
16 A 1101 1062 193.09      
17 A 1035 999 28.43      
18 A 998 963 31.25      
19 A 908 877 18.03      
20 A 864 834 3.69      
21 A 776 748 63.75      
22 A 669 645 3.46      
23 A 631 609 13.22      
24 A 600 579 15.22      
25 A 531 512 0.33      
26 A 454 438 1.72      
27 A 347 335 130.15      
28 A 337 325 11.01      
29 A 256 247 8.18      
30 A 142 137 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 20645.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 19921.2 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/3-21G
ABC
0.14841 0.09691 0.06092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.071 -1.315 -0.115
C2 -0.877 0.271 0.017
C3 -0.128 1.376 0.010
C4 1.362 1.150 -0.173
C5 1.659 -0.305 0.272
O6 -2.238 0.092 0.087
H7 -0.540 2.376 0.070
H8 1.958 1.847 0.428
H9 1.813 -0.367 1.350
H10 1.644 1.283 -1.228
H11 2.487 -0.763 -0.267
H12 -2.699 0.971 0.025

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.85292.70082.78321.92152.71123.74543.72122.46523.23482.48283.5945
C21.85291.33492.41342.61371.37362.13203.26923.06942.98873.53121.9513
C32.70081.33491.51772.46682.47091.08342.17832.93222.16293.38902.6028
C42.78322.41341.51771.55033.76102.27561.09582.19651.09942.22114.0697
C51.92152.61372.46681.55033.92133.47302.17741.09032.18451.08894.5478
O62.71121.37362.47093.76103.92132.84564.56004.26744.26794.81430.9950
H73.74542.13201.08342.27563.47302.84562.57803.83352.76504.37322.5758
H83.72123.26922.17831.09582.17744.56002.57802.40221.77622.75144.7551
H92.46523.06942.93222.19651.09034.26743.83352.40223.06521.79594.8889
H103.23482.98872.16291.09942.18454.26792.76501.77623.06522.41254.5307
H112.48283.53123.38902.22111.08894.81434.37322.75141.79592.41255.4759
H123.59451.95132.60284.06974.54780.99502.57584.75514.88894.53075.4759

picture of 4,5-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 114.847 S1 C2 O6 113.509
S1 C5 C4 106.088 S1 C5 H9 106.593
S1 C5 H11 107.907 C2 S1 C5 87.634
C2 C3 C4 115.413 C2 C3 H7 123.340
C2 O6 H12 109.908 C3 C2 O6 131.637
C3 C4 C5 107.029 C3 C4 H8 111.899
C3 C4 H10 110.449 C4 C3 H7 121.153
C4 C5 H9 111.380 C4 C5 H11 113.456
C5 C4 H8 109.546 C5 C4 H10 109.891
H8 C4 H10 108.023 H9 C5 H11 110.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.346      
2 C -0.017      
3 C -0.195      
4 C -0.413      
5 C -0.605      
6 O -0.556      
7 H 0.181      
8 H 0.209      
9 H 0.241      
10 H 0.214      
11 H 0.232      
12 H 0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.661 2.960 0.143 3.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.843 -5.393 0.664
y -5.393 -42.463 -0.082
z 0.664 -0.082 -45.314
Traceless
 xyz
x 7.046 -5.393 0.664
y -5.393 -1.384 -0.082
z 0.664 -0.082 -5.661
Polar
3z2-r2-11.323
x2-y25.620
xy-5.393
xz0.664
yz-0.082


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.931 0.342 0.050
y 0.342 9.596 0.204
z 0.050 0.204 4.617


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