return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H6OS (Dihydro-3-(2H)-thiophenone)

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-629.352683
Energy at 298.15K-629.359863
Nuclear repulsion energy284.443824
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 BLYP/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 3059 3043 7.13      
2 A 3047 3031 0.88      
3 A 3028 3012 12.12      
4 A 2989 2973 28.00      
5 A 2973 2957 16.54      
6 A 2965 2950 5.54      
7 A 1719 1710 236.66      
8 A 1460 1452 1.88      
9 A 1410 1402 3.83      
10 A 1408 1401 16.14      
11 A 1261 1254 7.71      
12 A 1255 1248 15.56      
13 A 1189 1182 10.25      
14 A 1180 1174 15.98      
15 A 1125 1119 1.18      
16 A 1082 1076 57.16      
17 A 1057 1051 5.20      
18 A 961 955 8.84      
19 A 948 943 0.50      
20 A 846 842 7.51      
21 A 799 795 1.57      
22 A 732 728 0.21      
23 A 689 685 8.34      
24 A 630 627 1.03      
25 A 535 532 4.82      
26 A 470 467 4.11      
27 A 423 421 2.75      
28 A 414 412 4.73      
29 A 178 177 2.29      
30 A 66 66 12.14      

Unscaled Zero Point Vibrational Energy (zpe) 19947.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 19841.7 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 BLYP/6-31+G**
ABC
0.18271 0.07992 0.05864

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.187 -0.088 -0.011
C2 -0.529 1.292 -0.197
H3 -1.129 2.059 0.317
H4 -0.560 1.514 -1.280
C5 0.929 1.218 0.292
H6 0.999 1.369 1.381
H7 1.591 1.938 -0.207
C8 -0.150 -1.224 0.160
S9 1.531 -0.505 -0.144
H10 -0.361 -2.034 -0.554
O11 -2.396 -0.290 -0.001
H12 -0.241 -1.635 1.181

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.54062.17282.13742.50482.97363.44431.54822.75342.18271.22552.1701
C21.54061.10151.10571.53872.19752.21612.56982.73423.34942.45553.2479
H32.17281.10151.78082.22362.47782.77363.43003.72384.25462.68763.8962
H42.13741.10571.78082.18473.08702.44113.12073.12083.62662.87414.0088
C52.50481.53872.22362.18471.10161.09832.67301.87653.59863.66223.2088
H62.97362.19752.47783.08701.10161.78723.08822.47384.14394.02373.2562
H73.44432.21612.77362.44111.09831.78723.62842.44444.43894.57224.2482
C81.54822.56983.43003.12072.67303.08823.62841.85351.09972.43791.1040
S92.75342.73423.72383.12081.87652.47382.44441.85352.46643.93562.4843
H102.18273.34944.25463.62663.59864.14394.43891.09972.46642.73671.7840
O111.22552.45552.68762.87413.66224.02374.57222.43793.93562.73672.8015
H122.17013.24793.89624.00883.20883.25624.24821.10402.48431.78402.8015

picture of Dihydro-3-(2H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H3 109.525 C1 C2 H4 106.582
C1 C2 C5 108.864 C1 C8 S9 107.744
C1 C8 H10 109.883 C1 C8 H12 108.660
C2 C1 C8 112.610 C2 C1 O11 124.782
C2 C5 H6 111.598 C2 C5 H7 113.306
C2 C5 S9 105.949 H3 C2 H4 107.571
H3 C2 C5 113.718 H4 C2 C5 110.336
C5 S9 C8 91.547 H6 C5 H7 108.658
H6 C5 S9 109.568 H7 C5 S9 107.619
C8 C1 O11 122.608 S9 C8 H10 110.663
S9 C8 H12 111.764 H10 C8 H12 108.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.213      
2 C -0.186      
3 H 0.176      
4 H 0.185      
5 C -0.451      
6 H 0.185      
7 H 0.179      
8 C -0.387      
9 S 0.064      
10 H 0.201      
11 O -0.382      
12 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.279 1.383 0.404 1.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.546 0.985 0.320
y 0.985 -39.275 -0.045
z 0.320 -0.045 -43.127
Traceless
 xyz
x -14.345 0.985 0.320
y 0.985 10.062 -0.045
z 0.320 -0.045 4.284
Polar
3z2-r28.567
x2-y2-16.271
xy0.985
xz0.320
yz-0.045


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


<r2> (average value of r2) Å2
<r2> 191.207
(<r2>)1/2 13.828