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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-629.230367
Energy at 298.15K-629.237952
Nuclear repulsion energy287.002663
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 B3PW91/6-31G
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 3190 3055 8.12      
2 A 3145 3012 8.50      
3 A 3132 3000 18.70      
4 A 3111 2979 12.50      
5 A 3077 2947 22.23      
6 A 3056 2926 6.32      
7 A 1761 1687 327.15      
8 A 1534 1470 1.71      
9 A 1526 1461 10.15      
10 A 1499 1436 11.90      
11 A 1393 1334 0.46      
12 A 1351 1293 6.71      
13 A 1329 1273 7.59      
14 A 1274 1221 1.80      
15 A 1214 1163 2.93      
16 A 1149 1101 5.73      
17 A 1094 1048 22.79      
18 A 1058 1013 7.78      
19 A 1048 1004 79.51      
20 A 936 896 17.21      
21 A 893 855 6.73      
22 A 859 823 19.32      
23 A 667 639 4.40      
24 A 613 587 20.60      
25 A 589 564 35.08      
26 A 480 459 2.22      
27 A 468 448 0.96      
28 A 394 378 3.41      
29 A 224 215 1.93      
30 A 123 118 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 21093.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 20201.4 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 B3PW91/6-31G
ABC
0.14218 0.10147 0.06243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.151 1.424 0.182
H2 -0.613 2.250 -0.368
H3 -0.162 1.694 1.249
C4 1.267 1.100 -0.288
H5 1.996 1.825 0.090
H6 1.307 1.130 -1.384
C7 1.618 -0.313 0.194
H8 1.880 -0.336 1.255
H9 2.418 -0.773 -0.387
C10 -1.018 0.188 0.019
O11 -2.239 0.157 -0.045
S12 0.049 -1.340 -0.046

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.09421.10031.52872.18562.15932.47902.89353.42751.51892.45332.7806
H21.09421.76762.20582.68272.44423.44393.94124.28052.13632.66983.6643
H31.10031.76762.18122.45273.06672.88202.87893.92612.12402.88963.3049
C41.52872.20582.18121.09561.09651.53342.19482.19982.47973.63872.7375
H52.18562.68272.45271.09561.76902.17412.45772.67493.43084.55353.7184
H62.15932.44423.06671.09651.76902.16063.07232.41802.87443.91293.0778
C72.47903.44392.88201.53342.17412.16061.09311.09072.68883.89201.8901
H82.89353.94122.87892.19482.45773.07231.09311.78263.19414.34702.4604
H93.42754.28053.92612.19982.67492.41801.09071.78263.59104.76062.4597
C101.51892.13632.12402.47973.43082.87442.68883.19413.59101.22241.8649
O112.45332.66982.88963.63874.55353.91293.89204.34704.76061.22242.7334
S122.78063.66433.30492.73753.71843.07781.89012.46042.45971.86492.7334

picture of Dihydro-2-(3H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 111.713 C1 C4 H6 109.571
C1 C4 C7 108.108 C1 C10 O11 126.655
C1 C10 S12 110.097 H2 C1 H3 107.316
H2 C1 C4 113.453 H2 C1 C10 108.583
H3 C1 C4 111.079 H3 C1 C10 107.295
C4 C1 C10 108.907 C4 C7 H8 112.279
C4 C7 H9 112.836 C4 C7 S12 105.721
H5 C4 H6 107.601 H5 C4 C7 110.468
H6 C4 C7 109.360 C7 S12 C10 91.458
H8 C7 H9 109.422 H8 C7 S12 108.136
H9 C7 S12 108.206 O11 C10 S12 123.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.352      
2 H 0.216      
3 H 0.213      
4 C -0.330      
5 H 0.186      
6 H 0.195      
7 C -0.563      
8 H 0.212      
9 H 0.215      
10 C 0.111      
11 O -0.398      
12 S 0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.949 2.389 0.439 4.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.420 -0.386 -0.035
y -0.386 -42.838 0.110
z -0.035 0.110 -42.182
Traceless
 xyz
x -4.910 -0.386 -0.035
y -0.386 1.963 0.110
z -0.035 0.110 2.947
Polar
3z2-r25.894
x2-y2-4.583
xy-0.386
xz-0.035
yz0.110


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> 183.581
(<r2>)1/2 13.549