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

using model chemistry: B1B95/CEP-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/CEP-31G*
 hartrees
Energy at 0K-52.264284
Energy at 298.15K-52.271838
Nuclear repulsion energy120.579996
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/CEP-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 3174 3038 28.38      
2 A 3168 3032 8.23      
3 A 3152 3017 16.29      
4 A 3103 2970 30.43      
5 A 3097 2965 26.05      
6 A 3087 2955 11.84      
7 A 1829 1751 415.42      
8 A 1493 1429 0.93      
9 A 1474 1411 7.80      
10 A 1453 1391 9.81      
11 A 1354 1296 0.04      
12 A 1309 1253 5.99      
13 A 1299 1243 6.78      
14 A 1234 1181 3.22      
15 A 1190 1139 0.48      
16 A 1108 1060 37.72      
17 A 1080 1034 53.30      
18 A 1036 992 40.06      
19 A 1015 972 2.57      
20 A 933 893 8.31      
21 A 861 824 14.46      
22 A 829 793 7.55      
23 A 712 682 1.43      
24 A 639 611 37.54      
25 A 587 562 8.35      
26 A 469 449 0.54      
27 A 464 444 2.28      
28 A 399 382 3.28      
29 A 229 219 1.67      
30 A 130 125 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 20952.3 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 20055.6 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/CEP-31G*
ABC
0.14603 0.10325 0.06402

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.112 1.428 0.200
H2 -0.580 2.273 -0.323
H3 -0.098 1.661 1.279
C4 1.288 1.065 -0.307
H5 2.057 1.766 0.053
H6 1.302 1.076 -1.408
C7 1.578 -0.365 0.196
H8 1.846 -0.372 1.264
H9 2.380 -0.855 -0.372
C10 -1.002 0.187 0.021
O11 -2.216 0.176 -0.057
S12 0.019 -1.303 -0.044

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.09861.10361.53272.20042.17002.46342.86413.42751.53692.46162.7450
H21.09861.78162.22442.71152.47983.44703.92394.30632.15532.67263.6364
H31.10361.78162.18872.48153.08542.84282.81233.89792.13742.91103.2478
C41.53272.22442.18871.10131.10101.54352.20072.20952.47443.62392.6998
H52.20042.71152.48151.10131.78382.18942.46612.67483.44274.56093.6859
H62.17002.47983.08541.10101.78382.17393.08692.44162.85303.87453.0275
C72.46343.44702.84281.54352.18942.17391.10061.09882.64373.84051.8350
H82.86413.92392.81232.20072.46613.08691.10061.78763.15704.30652.4324
H93.42754.30633.89792.20952.67482.44161.09881.78763.56094.72122.4258
C101.53692.15532.13742.47443.44272.85302.64373.15703.56091.21691.8080
O112.46162.67262.91103.62394.56093.87453.84054.30654.72121.21692.6806
S122.74503.63643.24782.69983.68593.02751.83502.43242.42581.80802.6806

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 112.279 C1 C4 H6 109.876
C1 C4 C7 106.410 C1 C10 O11 126.340
C1 C10 S12 110.037 H2 C1 H3 107.995
H2 C1 C4 114.409 H2 C1 C10 108.583
H3 C1 C4 111.201 H3 C1 C10 106.942
C4 C1 C10 107.433 C4 C7 H8 111.572
C4 C7 H9 112.389 C4 C7 S12 105.768
H5 C4 H6 108.183 H5 C4 C7 110.632
H6 C4 C7 109.438 C7 S12 C10 93.054
H8 C7 H9 108.725 H8 C7 S12 109.343
H9 C7 S12 108.955 O11 C10 S12 123.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 H 0.203      
3 H 0.154      
4 C -0.232      
5 H 0.176      
6 H 0.162      
7 C -0.416      
8 H 0.182      
9 H 0.205      
10 C -0.218      
11 O -0.046      
12 S -0.044      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.950 1.766 0.403 4.346
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.068 -0.178 -0.000
y -0.178 -41.016 0.202
z -0.000 0.202 -40.764
Traceless
 xyz
x -5.177 -0.178 -0.000
y -0.178 2.400 0.202
z -0.000 0.202 2.778
Polar
3z2-r25.555
x2-y2-5.051
xy-0.178
xz-0.000
yz0.202


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.498 -0.497 0.180
y -0.497 9.711 0.175
z 0.180 0.175 5.846


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000