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-3-(2H)-thiophenone)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-627.228946
Energy at 298.15K-627.236630
Nuclear repulsion energy286.046433
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/SDD
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 3366 3030 13.66      
2 A 3356 3022 3.06      
3 A 3312 2983 17.19      
4 A 3286 2959 29.11      
5 A 3282 2955 23.27      
6 A 3232 2911 13.20      
7 A 1892 1703 249.73      
8 A 1646 1482 4.13      
9 A 1612 1452 11.80      
10 A 1610 1450 18.29      
11 A 1472 1326 10.32      
12 A 1436 1293 11.54      
13 A 1391 1252 23.70      
14 A 1358 1222 12.22      
15 A 1309 1179 3.80      
16 A 1277 1150 45.85      
17 A 1213 1092 1.70      
18 A 1097 988 1.16      
19 A 1089 980 11.26      
20 A 976 879 7.48      
21 A 922 830 0.70      
22 A 841 757 4.85      
23 A 785 707 8.49      
24 A 699 630 3.37      
25 A 607 547 5.06      
26 A 517 466 8.68      
27 A 482 434 0.25      
28 A 463 417 16.59      
29 A 179 161 1.79      
30 A 62 55 19.27      

Unscaled Zero Point Vibrational Energy (zpe) 22383.9 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 20154.4 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/SDD
ABC
0.18458 0.08088 0.05911

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.172 -0.098 -0.017
C2 -0.543 1.269 -0.229
H3 -1.142 2.027 0.256
H4 -0.556 1.470 -1.294
C5 0.900 1.237 0.282
H6 0.957 1.399 1.346
H7 1.540 1.943 -0.220
C8 -0.162 -1.234 0.090
S9 1.540 -0.494 -0.104
H10 -0.335 -1.962 -0.686
O11 -2.374 -0.286 0.056
H12 -0.258 -1.718 1.049

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52042.14292.11482.48312.93763.39971.52372.74172.14941.21892.1430
C21.52041.08041.08471.53082.17832.18832.55272.73193.27022.41973.2614
H32.14291.08041.74842.18942.44702.72463.40943.69834.17712.62863.9283
H42.11481.08471.74842.15833.04402.40143.06393.10933.49262.86633.9678
C52.48311.53082.18942.15831.07791.07632.69731.88613.56353.61833.2655
H62.93762.17832.44703.04401.07791.75773.12452.45494.13433.94933.3581
H73.39972.18832.72462.40141.07631.75773.61752.43984.35634.51224.2711
C81.52372.55273.40943.06392.69733.12453.61751.86601.07772.40661.0781
S92.74172.73193.69833.10931.88612.45492.43981.86602.45123.92242.4617
H102.14943.27024.17713.49263.56354.13434.35631.07772.45122.74101.7538
O111.21892.41972.62862.86633.61833.94934.51222.40663.92242.74102.7403
H122.14303.26143.92833.96783.26553.35814.27111.07812.46171.75382.7403

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 109.805 C1 C2 H4 107.361
C1 C2 C5 108.944 C1 C8 S9 107.535
C1 C8 H10 110.258 C1 C8 H12 109.722
C2 C1 C8 113.984 C2 C1 O11 123.725
C2 C5 H6 112.067 C2 C5 H7 112.992
C2 C5 S9 105.704 H3 C2 H4 107.710
H3 C2 C5 112.823 H4 C2 C5 110.052
C5 S9 C8 91.922 H6 C5 H7 109.358
H6 C5 S9 108.758 H7 C5 S9 107.737
C8 C1 O11 122.290 S9 C8 H10 109.838
S9 C8 H12 110.603 H10 C8 H12 108.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.396      
2 C -0.394      
3 H 0.239      
4 H 0.223      
5 C -0.583      
6 H 0.234      
7 H 0.247      
8 C -0.671      
9 S 0.134      
10 H 0.261      
11 O -0.350      
12 H 0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.541 1.685 0.170 2.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.293 1.113 0.882
y 1.113 -38.852 0.066
z 0.882 0.066 -42.811
Traceless
 xyz
x -18.462 1.113 0.882
y 1.113 12.200 0.066
z 0.882 0.066 6.262
Polar
3z2-r212.524
x2-y2-20.441
xy1.113
xz0.882
yz0.066


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.372 0.422 -0.293
y 0.422 8.794 0.207
z -0.293 0.207 5.476


<r2> (average value of r2) Å2
<r2> 190.100
(<r2>)1/2 13.788