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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-626.084479
Energy at 298.15K-626.091805
Nuclear repulsion energy284.145837
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 B3PW91/3-21G
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 3070 2.05      
2 A 3164 3041 0.19      
3 A 3149 3027 3.75      
4 A 3120 2999 12.84      
5 A 3107 2987 7.69      
6 A 3061 2943 2.48      
7 A 1773 1704 127.31      
8 A 1529 1470 5.95      
9 A 1489 1431 12.51      
10 A 1480 1422 19.03      
11 A 1345 1293 8.55      
12 A 1314 1263 10.67      
13 A 1258 1209 2.99      
14 A 1234 1186 11.79      
15 A 1207 1161 1.99      
16 A 1126 1082 9.46      
17 A 1106 1063 68.93      
18 A 1012 972 21.58      
19 A 984 946 0.53      
20 A 876 842 10.58      
21 A 824 792 2.78      
22 A 763 734 1.84      
23 A 721 693 6.51      
24 A 644 619 1.93      
25 A 574 551 2.89      
26 A 469 451 5.02      
27 A 447 430 0.69      
28 A 422 406 7.09      
29 A 180 173 2.46      
30 A 46 44 12.14      

Unscaled Zero Point Vibrational Energy (zpe) 20809.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 20001.7 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 B3PW91/3-21G
ABC
0.18367 0.07924 0.05855

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.190 -0.102 -0.027
C2 -0.534 1.252 -0.302
H3 -1.174 2.051 0.081
H4 -0.448 1.355 -1.394
C5 0.858 1.248 0.318
H6 0.825 1.374 1.403
H7 1.532 1.979 -0.129
C8 -0.152 -1.237 0.029
S9 1.568 -0.481 -0.075
H10 -0.300 -1.910 -0.820
O11 -2.392 -0.291 0.123
H12 -0.273 -1.800 0.959

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52882.15602.13142.47642.87743.42731.53852.78342.16621.22632.1669
C21.52881.09371.10051.52332.18322.19702.53912.73283.21282.45193.3121
H32.15601.09371.78562.19762.49032.71563.44373.73544.15612.64034.0519
H42.13141.10051.78562.15553.07252.43042.97153.02813.31892.96503.9396
C52.47641.52332.19762.15551.09231.09022.69811.91013.55163.60093.3139
H62.87742.18322.49033.07251.09231.79263.10802.48544.12253.84153.3882
H73.42732.19702.71562.43041.09021.79263.63332.46004.35394.54014.3267
C81.53852.53913.44372.97152.69813.10803.63331.88161.09392.43281.0935
S92.78342.73283.73543.02811.91012.48542.46001.88162.46703.96892.4893
H102.16623.21284.15613.31893.55164.12254.35391.09392.46702.80881.7821
O111.22632.45192.64032.96503.60093.84154.54012.43283.96892.80882.7325
H122.16693.31214.05193.93963.31393.38824.32671.09352.48931.78212.7325

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 109.471 C1 C2 H4 107.190
C1 C2 C5 108.459 C1 C8 S9 108.529
C1 C8 H10 109.598 C1 C8 H12 109.675
C2 C1 C8 111.744 C2 C1 O11 125.378
C2 C5 H6 112.110 C2 C5 H7 113.374
C2 C5 S9 104.927 H3 C2 H4 108.935
H3 C2 C5 113.197 H4 C2 C5 109.414
C5 S9 C8 90.722 H6 C5 H7 110.436
H6 C5 S9 108.663 H7 C5 S9 106.952
C8 C1 O11 122.875 S9 C8 H10 109.126
S9 C8 H12 110.781 H10 C8 H12 109.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.477      
2 C -0.528      
3 H 0.266      
4 H 0.274      
5 C -0.666      
6 H 0.263      
7 H 0.269      
8 C -0.781      
9 S 0.276      
10 H 0.292      
11 O -0.432      
12 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.490 1.341 -0.073 1.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.149 1.329 1.018
y 1.329 -38.492 0.231
z 1.018 0.231 -42.241
Traceless
 xyz
x -13.783 1.329 1.018
y 1.329 9.702 0.231
z 1.018 0.231 4.080
Polar
3z2-r28.160
x2-y2-15.657
xy1.329
xz1.018
yz0.231


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> 190.690
(<r2>)1/2 13.809