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: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-629.295348
Energy at 298.15K-629.302938
Nuclear repulsion energy288.064801
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 B1B95/6-31G
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 3200 3052 7.38      
2 A 3156 3010 7.46      
3 A 3144 2998 17.56      
4 A 3121 2976 12.19      
5 A 3087 2945 20.89      
6 A 3066 2924 5.55      
7 A 1771 1689 328.34      
8 A 1532 1461 1.43      
9 A 1524 1453 10.80      
10 A 1497 1428 12.16      
11 A 1394 1329 0.39      
12 A 1349 1287 6.79      
13 A 1328 1267 7.06      
14 A 1273 1214 1.96      
15 A 1214 1158 2.95      
16 A 1147 1093 7.87      
17 A 1101 1050 22.69      
18 A 1058 1009 33.03      
19 A 1051 1003 53.59      
20 A 939 896 15.66      
21 A 892 850 7.75      
22 A 860 820 16.98      
23 A 672 641 4.35      
24 A 616 587 25.35      
25 A 590 563 31.00      
26 A 476 454 2.12      
27 A 466 444 0.93      
28 A 396 378 3.29      
29 A 225 215 1.89      
30 A 124 118 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 21133.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 20154.6 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 B1B95/6-31G
ABC
0.14328 0.10224 0.06300

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.147 1.420 0.186
H2 -0.613 2.248 -0.352
H3 -0.146 1.679 1.253
C4 1.261 1.092 -0.298
H5 1.994 1.821 0.060
H6 1.285 1.105 -1.392
C7 1.609 -0.310 0.201
H8 1.861 -0.320 1.263
H9 2.415 -0.774 -0.367
C10 -1.012 0.187 0.021
O11 -2.231 0.156 -0.046
S12 0.049 -1.334 -0.047

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.09211.09841.52462.18202.15462.46552.86673.41771.51462.44752.7699
H21.09211.76582.20272.67372.44833.43383.91454.27792.13152.66183.6549
H31.09841.76582.17522.45463.06242.85472.83313.89892.12012.88983.2872
C41.52462.20272.17521.09361.09461.52872.18852.19502.46743.62362.7231
H52.18202.67372.45461.09361.76712.17032.45962.66303.42154.54183.7072
H62.15462.44833.06241.09461.76712.15503.06742.41982.84903.88263.0467
C72.46553.43382.85471.52872.17032.15501.09141.08882.67473.87601.8821
H82.86673.91452.83312.18852.45963.06741.09141.77983.17104.32172.4543
H93.41774.27793.89892.19502.66302.41981.08881.77983.58054.74842.4519
C101.51462.13152.12012.46743.42152.84902.67473.17103.58051.22041.8561
O112.44752.66182.88983.62364.54183.88263.87604.32174.74841.22042.7233
S122.76993.65493.28722.72313.70723.04671.88212.45432.45191.85612.7233

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 111.841 C1 C4 H6 109.597
C1 C4 C7 107.700 C1 C10 O11 126.658
C1 C10 S12 110.115 H2 C1 H3 107.438
H2 C1 C4 113.627 H2 C1 C10 108.628
H3 C1 C4 111.003 H3 C1 C10 107.387
C4 C1 C10 108.556 C4 C7 H8 112.213
C4 C7 H9 112.899 C4 C7 S12 105.483
H5 C4 H6 107.715 H5 C4 C7 110.619
H6 C4 C7 109.352 C7 S12 C10 91.367
H8 C7 H9 109.442 H8 C7 S12 108.305
H9 C7 S12 108.261 O11 C10 S12 123.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 H 0.211      
3 H 0.209      
4 C -0.323      
5 H 0.181      
6 H 0.191      
7 C -0.557      
8 H 0.208      
9 H 0.211      
10 C 0.097      
11 O -0.393      
12 S 0.301      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.930 2.355 0.446 4.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.381 -0.375 -0.034
y -0.375 -42.807 0.106
z -0.034 0.106 -42.148
Traceless
 xyz
x -4.903 -0.375 -0.034
y -0.375 1.957 0.106
z -0.034 0.106 2.945
Polar
3z2-r25.891
x2-y2-4.573
xy-0.375
xz-0.034
yz0.106


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.282 -0.460 0.172
y -0.460 9.293 0.190
z 0.172 0.190 6.007


<r2> (average value of r2) Å2
<r2> 182.268
(<r2>)1/2 13.501