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All results from a given calculation for C4H6OS (Dihydro-3-(2H)-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-629.218019
Energy at 298.15K-629.225405
Nuclear repulsion energy284.486348
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 3194 3059 4.75      
2 A 3173 3038 0.26      
3 A 3141 3008 7.94      
4 A 3115 2984 17.97      
5 A 3104 2973 9.77      
6 A 3060 2930 4.55      
7 A 1751 1677 161.46      
8 A 1530 1465 4.98      
9 A 1487 1424 10.19      
10 A 1483 1420 17.20      
11 A 1345 1289 9.40      
12 A 1318 1262 12.75      
13 A 1266 1212 4.04      
14 A 1249 1196 22.14      
15 A 1197 1147 6.03      
16 A 1170 1121 59.95      
17 A 1115 1068 3.22      
18 A 1036 992 14.11      
19 A 1004 962 0.66      
20 A 897 859 10.72      
21 A 850 814 0.53      
22 A 786 753 1.02      
23 A 736 704 7.10      
24 A 656 628 1.40      
25 A 567 543 4.42      
26 A 483 463 5.38      
27 A 444 425 0.72      
28 A 431 413 9.05      
29 A 171 163 2.56      
30 A 60 58 15.45      

Unscaled Zero Point Vibrational Energy (zpe) 20909.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 20024.7 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 B3PW91/6-31G
ABC
0.18361 0.07978 0.05852

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 -1.175 -0.095 -0.013
C2 -0.539 1.269 -0.222
H3 -1.152 2.036 0.262
H4 -0.553 1.470 -1.303
C5 0.896 1.243 0.287
H6 0.954 1.398 1.367
H7 1.548 1.956 -0.216
C8 -0.163 -1.228 0.113
S9 1.552 -0.498 -0.115
H10 -0.346 -1.985 -0.653
O11 -2.392 -0.292 0.038
H12 -0.256 -1.699 1.096

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52032.14962.12172.48412.94503.41601.52402.75872.16091.23392.1558
C21.52031.09451.10001.52232.18422.19712.54712.73973.28892.43773.2601
H32.14961.09451.76872.19622.46282.74313.41373.72504.20252.64813.9309
H42.12171.10001.76872.16323.06732.41493.07143.11673.52212.87883.9859
C52.48411.52232.19622.16321.09281.09022.69341.90343.58403.63743.2612
H62.94502.18422.46283.06731.09281.78113.11732.48034.14963.97833.3365
H73.41602.19712.74312.41491.09021.78113.62972.45664.39494.54424.2826
C81.52402.54713.41373.07142.69343.11733.62971.87761.09252.41871.0945
S92.75872.73973.72503.11671.90342.48032.45661.87762.47013.95262.4858
H102.16093.28894.20253.52213.58404.14964.39491.09252.47012.74451.7744
O111.23392.43772.64812.87883.63743.97834.54422.41873.95262.74452.7681
H122.15583.26013.93093.98593.26123.33654.28261.09452.48581.77442.7681

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 109.512 C1 C2 H4 107.041
C1 C2 C5 109.456 C1 C8 S9 107.939
C1 C8 H10 110.265 C1 C8 H12 109.746
C2 C1 C8 113.584 C2 C1 O11 124.194
C2 C5 H6 112.236 C2 C5 H7 113.451
C2 C5 S9 105.671 H3 C2 H4 107.414
H3 C2 C5 113.107 H4 C2 C5 110.118
C5 S9 C8 90.847 H6 C5 H7 109.347
H6 C5 S9 108.707 H7 C5 S9 107.146
C8 C1 O11 122.218 S9 C8 H10 109.690
S9 C8 H12 110.745 H10 C8 H12 108.456
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 0.391      
2 C -0.375      
3 H 0.215      
4 H 0.224      
5 C -0.557      
6 H 0.212      
7 H 0.215      
8 C -0.636      
9 S 0.233      
10 H 0.241      
11 O -0.403      
12 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.982 1.490 0.271 1.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.448 1.163 0.725
y 1.163 -37.839 -0.062
z 0.725 -0.062 -41.958
Traceless
 xyz
x -15.549 1.163 0.725
y 1.163 10.864 -0.062
z 0.725 -0.062 4.685
Polar
3z2-r29.370
x2-y2-17.609
xy1.163
xz0.725
yz-0.062


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> 190.616
(<r2>)1/2 13.806