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: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-629.335911
Energy at 298.15K-629.343528
Nuclear repulsion energy291.263101
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 B3PW91/6-31G**
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 3153 3022 9.61      
2 A 3143 3013 6.31      
3 A 3126 2996 15.15      
4 A 3084 2956 18.74      
5 A 3074 2947 22.46      
6 A 3057 2930 6.95      
7 A 1847 1770 356.06      
8 A 1506 1444 0.41      
9 A 1491 1429 6.46      
10 A 1463 1402 7.67      
11 A 1364 1308 0.43      
12 A 1317 1262 6.97      
13 A 1309 1255 4.96      
14 A 1251 1199 2.35      
15 A 1194 1145 1.23      
16 A 1120 1074 8.82      
17 A 1076 1032 60.95      
18 A 1038 994 43.64      
19 A 1034 991 8.10      
20 A 929 890 8.92      
21 A 874 838 8.51      
22 A 842 807 13.89      
23 A 705 676 2.18      
24 A 630 604 37.02      
25 A 601 576 11.86      
26 A 482 462 0.93      
27 A 477 457 1.99      
28 A 401 384 3.25      
29 A 228 218 1.50      
30 A 131 125 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 20973.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 20100.8 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 B3PW91/6-31G**
ABC
0.14746 0.10424 0.06447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.125 1.419 0.187
H2 -0.587 2.251 -0.350
H3 -0.135 1.670 1.256
C4 1.279 1.070 -0.286
H5 2.032 1.768 0.094
H6 1.318 1.103 -1.380
C7 1.576 -0.358 0.186
H8 1.857 -0.383 1.244
H9 2.371 -0.832 -0.394
C10 -1.004 0.184 0.018
O11 -2.204 0.165 -0.052
S12 0.026 -1.299 -0.043

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.09281.09871.52252.18702.15342.45982.88003.41031.52452.43912.7315
H21.09281.76702.20952.69962.45063.43113.93114.27202.14052.65583.6156
H31.09871.76702.17692.46043.06322.86122.86123.90662.12032.87363.2451
C41.52252.20952.17691.09451.09551.53312.18752.19512.46773.60672.6909
H52.18702.69962.46041.09451.76822.17652.44502.66683.42464.53133.6670
H62.15342.45063.06321.09551.76822.15793.06362.41352.86193.87923.0376
C72.45983.43112.86121.53312.17652.15791.09461.09212.64113.82361.8271
H82.88003.93112.86122.18752.44503.06361.09461.77403.16364.29852.4180
H93.41034.27203.90662.19512.66682.41351.09211.77403.54784.69472.4159
C101.52452.14052.12032.46773.42462.86192.64113.16363.54781.20281.8067
O112.43912.65582.87363.60674.53133.87923.82364.29854.69471.20282.6685
S122.73153.61563.24512.69093.66703.03761.82712.41802.41591.80672.6685

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 112.345 C1 C4 H6 109.599
C1 C4 C7 107.223 C1 C10 O11 126.440
C1 C10 S12 109.880 H2 C1 H3 107.468
H2 C1 C4 114.300 H2 C1 C10 108.613
H3 C1 C4 111.272 H3 C1 C10 106.732
C4 C1 C10 108.170 C4 C7 H8 111.618
C4 C7 H9 112.387 C4 C7 S12 106.086
H5 C4 H6 107.678 H5 C4 C7 110.745
H6 C4 C7 109.224 C7 S12 C10 93.240
H8 C7 H9 108.444 H8 C7 S12 109.126
H9 C7 S12 109.101 O11 C10 S12 123.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 H 0.174      
3 H 0.172      
4 C -0.272      
5 H 0.147      
6 H 0.159      
7 C -0.418      
8 H 0.173      
9 H 0.175      
10 C 0.257      
11 O -0.423      
12 S 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.689 1.867 0.388 4.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.272 -0.354 -0.034
y -0.354 -41.997 0.138
z -0.034 0.138 -41.743
Traceless
 xyz
x -4.402 -0.354 -0.034
y -0.354 2.011 0.138
z -0.034 0.138 2.391
Polar
3z2-r24.783
x2-y2-4.275
xy-0.354
xz-0.034
yz0.138


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> 178.553
(<r2>)1/2 13.362