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: 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-629.374486
Energy at 298.15K-629.381912
Nuclear repulsion energy289.751391
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 3182 3021 4.82      
2 A 3171 3010 0.68      
3 A 3160 3000 7.30      
4 A 3108 2950 23.50      
5 A 3096 2939 13.41      
6 A 3087 2930 3.70      
7 A 1879 1784 210.73      
8 A 1518 1441 2.86      
9 A 1471 1397 7.09      
10 A 1468 1393 12.05      
11 A 1324 1257 9.60      
12 A 1316 1250 16.66      
13 A 1247 1184 30.27      
14 A 1241 1178 3.58      
15 A 1181 1121 9.13      
16 A 1165 1106 46.89      
17 A 1114 1057 3.86      
18 A 1019 967 8.55      
19 A 992 942 0.89      
20 A 886 842 8.04      
21 A 844 801 1.75      
22 A 810 769 0.77      
23 A 743 705 5.70      
24 A 696 661 0.86      
25 A 562 534 4.17      
26 A 487 463 5.06      
27 A 448 425 4.84      
28 A 427 406 3.93      
29 A 191 181 2.49      
30 A 69 65 11.74      

Unscaled Zero Point Vibrational Energy (zpe) 20951.3 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 19889.1 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
0.18991 0.08291 0.06108

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 -1.168 -0.084 -0.014
C2 -0.509 1.269 -0.212
H3 -1.109 2.047 0.264
H4 -0.502 1.463 -1.291
C5 0.914 1.180 0.308
H6 0.952 1.310 1.393
H7 1.582 1.909 -0.148
C8 -0.141 -1.202 0.155
S9 1.496 -0.492 -0.146
H10 -0.354 -2.008 -0.548
O11 -2.356 -0.278 0.009
H12 -0.233 -1.608 1.168

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.51752.14912.11322.45612.90073.39861.52802.69852.15641.20442.1437
C21.51751.09151.09601.51722.17042.18772.52512.66943.29752.41973.2026
H32.14911.09151.76782.20082.46242.72593.39153.66044.20332.65043.8653
H42.11321.09601.76782.15453.05592.41843.05393.02123.55282.85643.9433
C52.45611.51722.20082.15451.09281.08952.60901.82773.53543.59253.1343
H62.90072.17042.46243.05591.09281.76933.00532.43104.05903.92163.1570
H73.39862.18772.72592.41841.08951.76933.56892.40224.38714.50764.1706
C81.52802.52513.39153.05392.60903.00533.56891.80961.09062.40511.0945
S92.69852.66943.66043.02121.82772.43102.40221.80962.42523.86172.4416
H102.15643.29754.20333.55283.53544.05904.38711.09062.42522.70431.7656
O111.20442.41972.65042.85643.59253.92164.50762.40513.86172.70432.7606
H122.14373.20263.86533.94333.13433.15704.17061.09452.44161.76562.7606

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 109.840 C1 C2 H4 106.797
C1 C2 C5 108.061 C1 C8 S9 107.605
C1 C8 H10 109.744 C1 C8 H12 108.525
C2 C1 C8 112.013 C2 C1 O11 125.092
C2 C5 H6 111.486 C2 C5 H7 113.099
C2 C5 S9 105.512 H3 C2 H4 107.826
H3 C2 C5 114.058 H4 C2 C5 110.022
C5 S9 C8 91.662 H6 C5 H7 108.340
H6 C5 S9 110.136 H7 C5 S9 108.188
C8 C1 O11 122.895 S9 C8 H10 111.044
S9 C8 H12 112.078 H10 C8 H12 107.809
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 0.447      
2 C -0.398      
3 H 0.207      
4 H 0.218      
5 C -0.488      
6 H 0.204      
7 H 0.210      
8 C -0.555      
9 S 0.124      
10 H 0.231      
11 O -0.426      
12 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.025 1.298 0.393 1.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.941 1.149 0.415
y 1.149 -37.862 -0.039
z 0.415 -0.039 -41.527
Traceless
 xyz
x -13.247 1.149 0.415
y 1.149 9.372 -0.039
z 0.415 -0.039 3.875
Polar
3z2-r27.750
x2-y2-15.079
xy1.149
xz0.415
yz-0.039


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.592 0.108 -0.207
y 0.108 8.824 0.037
z -0.207 0.037 6.291


<r2> (average value of r2) Å2
<r2> 183.930
(<r2>)1/2 13.562