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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-ol)

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-629.445668
Energy at 298.15K-629.452851
Nuclear repulsion energy286.582208
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/6-31+G**
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 3814 3678 43.15      
2 A 3180 3066 16.25      
3 A 3095 2984 4.65      
4 A 3076 2966 9.37      
5 A 3055 2946 32.30      
6 A 3042 2933 44.73      
7 A 1735 1673 104.79      
8 A 1504 1450 2.56      
9 A 1496 1442 4.50      
10 A 1410 1360 8.46      
11 A 1286 1240 4.66      
12 A 1275 1230 54.23      
13 A 1221 1177 12.96      
14 A 1160 1118 197.59      
15 A 1144 1103 0.02      
16 A 1126 1086 6.07      
17 A 1019 983 14.23      
18 A 972 937 0.24      
19 A 904 871 0.17      
20 A 890 858 0.26      
21 A 774 746 49.42      
22 A 770 743 11.95      
23 A 713 687 1.73      
24 A 598 577 0.35      
25 A 477 460 0.97      
26 A 476 459 0.41      
27 A 382 368 106.32      
28 A 380 367 12.58      
29 A 231 222 6.24      
30 A 79 76 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 20641.1 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 19902.2 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/6-31+G**
ABC
0.19871 0.07843 0.05745

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.560 -0.518 -0.000
C2 -0.159 -1.185 0.000
C3 -1.054 0.021 0.000
C4 -0.484 1.232 0.000
C5 1.017 1.260 0.000
O6 -2.387 -0.284 0.000
H7 -0.334 -1.803 -0.887
H8 -1.050 2.161 0.000
H9 1.426 1.758 0.886
H10 -0.334 -1.803 0.887
H11 1.426 1.758 -0.886
H12 -2.912 0.528 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.84312.66922.69111.85903.95342.45453.74012.44672.45452.44664.5928
C21.84311.50242.43922.71292.40371.09513.46283.45831.09513.45853.2433
C32.66921.50241.33882.41371.36672.15232.14003.15532.15223.15541.9258
C42.69112.43921.33881.50162.43253.16591.08742.17053.16572.17052.5279
C51.85902.71292.41371.50163.73743.46342.25501.09583.46321.09583.9968
O63.95342.40371.36672.43253.73742.70332.78614.41492.70344.41500.9671
H72.45451.09512.15233.16593.46342.70334.12474.35041.77373.97313.5870
H83.74013.46282.14001.08742.25502.78614.12472.66034.12452.66042.4765
H92.44673.45833.15532.17051.09584.41494.35042.66033.97251.77194.5955
H102.45451.09512.15223.16573.46322.70341.77374.12453.97254.35043.5874
H112.44663.45853.15542.17051.09584.41503.97312.66041.77194.35044.5953
H124.59283.24331.92582.52793.99680.96713.58702.47654.59553.58744.5953

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.392 S1 C2 H7 110.718
S1 C2 H10 110.721 S1 C5 C4 105.918
S1 C5 H9 109.045 S1 C5 H11 109.040
C2 S1 C5 94.241 C2 C3 C4 118.191
C2 C3 O6 113.730 C3 C2 H7 110.937
C3 C2 H10 110.934 C3 C4 C5 116.258
C3 C4 H8 123.446 C3 O6 H12 110.034
C4 C3 O6 128.079 C4 C5 H9 112.423
C4 C5 H11 112.427 C5 C4 H8 120.295
H7 C2 H10 108.156 H9 C5 H11 107.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.030      
2 C -0.319      
3 C 0.115      
4 C 0.055      
5 C -0.586      
6 O -0.509      
7 H 0.191      
8 H 0.119      
9 H 0.180      
10 H 0.191      
11 H 0.180      
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
  -1.760 1.930 -0.001 2.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.858 -1.818 0.005
y -1.818 -39.501 -0.001
z 0.005 -0.001 -45.728
Traceless
 xyz
x -1.244 -1.818 0.005
y -1.818 5.292 -0.001
z 0.005 -0.001 -4.048
Polar
3z2-r2-8.096
x2-y2-4.357
xy-1.818
xz0.005
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.124 0.598 0.000
y 0.598 11.142 -0.000
z 0.000 -0.000 7.424


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