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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-629.312628
Energy at 298.15K-629.320032
Nuclear repulsion energy288.376695
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 3159 3022 5.49      
2 A 3147 3010 0.87      
3 A 3136 3000 8.02      
4 A 3086 2953 24.83      
5 A 3074 2941 14.34      
6 A 3064 2931 4.20      
7 A 1855 1775 207.08      
8 A 1516 1450 2.84      
9 A 1468 1405 6.23      
10 A 1465 1402 13.08      
11 A 1319 1262 9.50      
12 A 1313 1256 15.14      
13 A 1243 1189 21.92      
14 A 1236 1183 8.79      
15 A 1178 1127 4.37      
16 A 1154 1104 58.17      
17 A 1110 1062 3.82      
18 A 1013 969 8.84      
19 A 992 949 0.88      
20 A 884 846 8.61      
21 A 839 803 1.64      
22 A 798 764 0.76      
23 A 736 704 5.91      
24 A 688 658 0.92      
25 A 562 538 4.35      
26 A 487 466 4.66      
27 A 446 426 3.63      
28 A 430 411 4.86      
29 A 186 178 2.53      
30 A 70 67 11.99      

Unscaled Zero Point Vibrational Energy (zpe) 20826.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19924.4 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
0.18800 0.08216 0.06036

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 -0.085 -0.013
C2 -0.515 1.276 -0.206
H3 -1.111 2.049 0.288
H4 -0.528 1.483 -1.285
C5 0.920 1.191 0.296
H6 0.976 1.339 1.380
H7 1.585 1.913 -0.184
C8 -0.144 -1.209 0.147
S9 1.505 -0.497 -0.139
H10 -0.354 -2.007 -0.570
O11 -2.366 -0.280 0.012
H12 -0.241 -1.631 1.155

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52412.15612.11992.47222.93113.41101.53392.71412.16381.20792.1511
C21.52411.09451.09891.52272.17712.19442.53702.68813.30732.42803.2210
H32.15611.09451.77042.20562.46022.74043.40213.67564.21532.66053.8800
H42.11991.09891.77042.16323.06272.42033.07333.06003.56712.85833.9664
C52.47221.52272.20562.16321.09551.09232.62971.83843.55023.61223.1702
H62.93112.17712.46023.06271.09551.77363.04432.44094.09533.95793.2175
H73.41102.19442.74042.42031.09231.77363.58422.41174.39074.52334.2055
C81.53392.53703.40213.07332.62973.04433.58421.81871.09352.41281.0972
S92.71412.68813.67563.06001.83842.44092.41171.81872.43373.88032.4513
H102.16383.30734.21533.56713.55024.09534.39071.09352.43372.71531.7698
O111.20792.42802.66052.85833.61223.95794.52332.41283.88032.71532.7661
H122.15113.22103.88003.96643.17023.21754.20551.09722.45131.76982.7661

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 109.761 C1 C2 H4 106.721
C1 C2 C5 108.468 C1 C8 S9 107.802
C1 C8 H10 109.743 C1 C8 H12 108.546
C2 C1 C8 112.123 C2 C1 O11 125.032
C2 C5 H6 111.471 C2 C5 H7 113.075
C2 C5 S9 105.837 H3 C2 H4 107.642
H3 C2 C5 113.856 H4 C2 C5 110.158
C5 S9 C8 91.957 H6 C5 H7 108.327
H6 C5 S9 110.009 H7 C5 S9 108.037
C8 C1 O11 122.845 S9 C8 H10 110.909
S9 C8 H12 112.035 H10 C8 H12 107.772
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 0.460     0.581
2 C -0.411     -0.237
3 H 0.212     0.109
4 H 0.221     0.099
5 C -0.494     -0.168
6 H 0.208     0.112
7 H 0.214     0.155
8 C -0.567     -0.193
9 S 0.119     -0.230
10 H 0.236     0.134
11 O -0.427     -0.482
12 H 0.230     0.120


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.970 1.326 0.371 1.684
CHELPG        
AIM        
ESP 1.013 1.355 0.393 1.737


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.100 1.179 0.421
y 1.179 -37.839 -0.047
z 0.421 -0.047 -41.582
Traceless
 xyz
x -13.390 1.179 0.421
y 1.179 9.501 -0.047
z 0.421 -0.047 3.888
Polar
3z2-r27.777
x2-y2-15.261
xy1.179
xz0.421
yz-0.047


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> 185.624
(<r2>)1/2 13.624