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-2-(3H)-thiophenone)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-627.204576
Energy at 298.15K-627.212459
Nuclear repulsion energy289.048373
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 HF/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 3344 3019 7.81      
2 A 3287 2968 11.32      
3 A 3278 2960 31.52      
4 A 3263 2946 7.28      
5 A 3220 2907 25.12      
6 A 3202 2891 7.74      
7 A 1905 1720 412.20      
8 A 1655 1494 1.55      
9 A 1644 1484 8.88      
10 A 1617 1460 12.85      
11 A 1513 1366 1.77      
12 A 1476 1333 2.44      
13 A 1445 1305 14.65      
14 A 1378 1244 2.31      
15 A 1318 1190 3.02      
16 A 1247 1126 7.04      
17 A 1168 1055 68.25      
18 A 1149 1038 1.40      
19 A 1121 1013 41.74      
20 A 981 885 21.35      
21 A 958 865 2.82      
22 A 924 834 13.69      
23 A 709 640 8.09      
24 A 658 594 22.27      
25 A 639 577 34.64      
26 A 520 470 3.16      
27 A 505 456 2.15      
28 A 433 391 3.53      
29 A 233 211 2.39      
30 A 120 108 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 22454.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 20274.4 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 HF/6-31G
ABC
0.14346 0.10333 0.06327

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.147 1.422 0.181
H2 -0.597 2.236 -0.370
H3 -0.161 1.692 1.234
C4 1.272 1.092 -0.281
H5 1.991 1.800 0.111
H6 1.325 1.136 -1.362
C7 1.609 -0.329 0.186
H8 1.881 -0.361 1.230
H9 2.387 -0.788 -0.401
C10 -1.008 0.190 0.019
O11 -2.209 0.171 -0.048
S12 0.031 -1.333 -0.043

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.08131.08681.52882.17282.15202.47992.89653.41181.51142.42212.7689
H21.08131.74882.19352.66852.42643.42873.92974.24802.12282.63913.6377
H31.08681.74882.17032.43043.04272.88382.89563.91312.10892.85463.2885
C41.52882.19352.17031.08261.08361.53322.18252.18822.47043.60802.7338
H52.17282.66852.43041.08261.74802.16442.43602.66683.40534.50753.6984
H62.15202.42643.04271.08361.74802.15093.04472.39862.87163.89133.0834
C72.47993.42872.88381.53322.16442.15091.07871.07692.67343.85731.8842
H82.89653.92972.89562.18252.43603.04471.07871.75973.18024.31712.4467
H93.41184.24803.91312.18822.66682.39861.07691.75973.55794.70762.4448
C101.51142.12282.10892.47043.40532.87162.67343.18023.55791.20251.8441
O112.42212.63912.85463.60804.50753.89133.85734.31714.70761.20252.6970
S122.76893.63773.28852.73383.69843.08341.88422.44672.44481.84412.6970

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 111.473 C1 C4 H6 109.748
C1 C4 C7 108.170 C1 C10 O11 125.996
C1 C10 S12 110.822 H2 C1 H3 107.527
H2 C1 C4 113.243 H2 C1 C10 108.780
H3 C1 C4 111.017 H3 C1 C10 107.395
C4 C1 C10 108.697 C4 C7 H8 112.183
C4 C7 H9 112.759 C4 C7 S12 105.795
H5 C4 H6 107.592 H5 C4 C7 110.485
H6 C4 C7 109.358 C7 S12 C10 91.618
H8 C7 H9 109.438 H8 C7 S12 108.241
H9 C7 S12 108.194 O11 C10 S12 123.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.379 -0.051    
2 H 0.227 0.057    
3 H 0.217 0.049    
4 C -0.332 -0.124    
5 H 0.192 0.058    
6 H 0.195 0.041    
7 C -0.571 0.065    
8 H 0.211 0.040    
9 H 0.218 0.080    
10 C 0.218 0.684    
11 O -0.515 -0.577    
12 S 0.318 -0.324    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.483 2.560 0.468 5.183
CHELPG 4.452 2.485 0.481 5.121
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.697 -0.432 -0.111
y -0.432 -44.051 0.073
z -0.111 0.073 -43.074
Traceless
 xyz
x -6.134 -0.432 -0.111
y -0.432 2.334 0.073
z -0.111 0.073 3.799
Polar
3z2-r27.599
x2-y2-5.646
xy-0.432
xz-0.111
yz0.073


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.997 -0.226 0.202
y -0.226 8.660 0.164
z 0.202 0.164 5.830


<r2> (average value of r2) Å2
<r2> 182.384
(<r2>)1/2 13.505