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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-629.204741
Energy at 298.15K-629.198090
HF Energy-629.484025
Nuclear repulsion energy290.733267
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 B3LYP/6-31G(2df,p)
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 3127 3018 10.13      
2 A 3114 3005 9.13      
3 A 3097 2989 18.06      
4 A 3063 2956 17.08      
5 A 3052 2945 22.46      
6 A 3033 2927 6.84      
7 A 1831 1767 349.10      
8 A 1497 1444 0.09      
9 A 1484 1432 3.93      
10 A 1458 1407 5.35      
11 A 1358 1311 1.09      
12 A 1314 1268 4.27      
13 A 1299 1254 8.73      
14 A 1245 1202 1.85      
15 A 1180 1139 1.90      
16 A 1112 1073 6.76      
17 A 1058 1021 42.49      
18 A 1029 993 2.41      
19 A 1021 985 54.22      
20 A 915 883 8.88      
21 A 865 835 5.62      
22 A 833 804 17.52      
23 A 689 665 2.49      
24 A 618 596 31.63      
25 A 596 575 18.60      
26 A 482 466 1.82      
27 A 473 456 1.37      
28 A 396 382 3.39      
29 A 224 216 1.22      
30 A 130 125 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 20795.2 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 20067.3 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 B3LYP/6-31G(2df,p)
ABC
0.14686 0.10381 0.06418

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.126 1.421 0.191
H2 -0.584 2.258 -0.341
H3 -0.133 1.668 1.261
C4 1.283 1.074 -0.285
H5 2.033 1.770 0.102
H6 1.323 1.115 -1.378
C7 1.583 -0.361 0.179
H8 1.872 -0.394 1.233
H9 2.369 -0.836 -0.410
C10 -1.011 0.185 0.019
O11 -2.206 0.167 -0.057
S12 0.024 -1.302 -0.039

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.09231.09821.52712.18842.15772.46902.89323.41721.52942.44122.7363
H21.09231.76552.21182.69842.45373.43903.94224.27732.14632.66123.6236
H31.09821.76552.17892.45813.06452.86902.87573.91392.12392.87883.2457
C41.52712.21182.17891.09401.09491.53782.19202.20002.47863.61172.6992
H52.18842.69842.45811.09401.76732.17992.44702.67693.43244.53413.6727
H62.15772.45373.06451.09491.76732.16193.06572.41602.87513.88563.0528
C72.46903.43902.86901.53782.17992.16191.09341.09102.65553.83221.8331
H82.89323.94222.87572.19202.44703.06571.09341.77283.18134.31342.4203
H93.41724.27733.91392.20002.67692.41601.09101.77283.55674.69632.4188
C101.52942.14632.12392.47863.43242.87512.65553.18133.55671.19721.8129
O112.44122.66122.87883.61174.53413.88563.83224.31344.69631.19722.6701
S122.73633.62363.24572.69923.67273.05281.83312.42032.41881.81292.6701

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 112.301 C1 C4 H6 109.578
C1 C4 C7 107.271 C1 C10 O11 126.537
C1 C10 S12 109.582 H2 C1 H3 107.555
H2 C1 C4 114.110 H2 C1 C10 108.703
H3 C1 C4 110.975 H3 C1 C10 106.887
C4 C1 C10 108.352 C4 C7 H8 111.610
C4 C7 H9 112.454 C4 C7 S12 106.031
H5 C4 H6 107.716 H5 C4 C7 110.686
H6 C4 C7 109.265 C7 S12 C10 93.791
H8 C7 H9 108.430 H8 C7 S12 109.062
H9 C7 S12 109.174 O11 C10 S12 123.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 H 0.139      
3 H 0.139      
4 C -0.212      
5 H 0.115      
6 H 0.127      
7 C -0.218      
8 H 0.136      
9 H 0.138      
10 C 0.365      
11 O -0.302      
12 S -0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.569 1.790 0.361 4.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 179.265
(<r2>)1/2 13.389