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: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-629.485507
Energy at 298.15K-629.492831
HF Energy-629.485507
Nuclear repulsion energy288.242588
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 TPSSh/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 3134 3024 6.46      
2 A 3123 3014 1.31      
3 A 3108 2999 11.82      
4 A 3061 2953 24.65      
5 A 3050 2943 15.03      
6 A 3041 2934 5.59      
7 A 1816 1753 196.82      
8 A 1498 1445 0.92      
9 A 1451 1400 3.77      
10 A 1449 1398 9.64      
11 A 1298 1252 4.98      
12 A 1288 1243 18.68      
13 A 1215 1172 2.05      
14 A 1208 1166 25.88      
15 A 1155 1115 2.32      
16 A 1124 1084 51.37      
17 A 1082 1044 2.97      
18 A 994 959 8.57      
19 A 969 935 0.41      
20 A 862 832 5.36      
21 A 821 793 1.92      
22 A 780 752 0.80      
23 A 720 695 5.70      
24 A 674 650 1.22      
25 A 551 532 4.05      
26 A 477 461 4.16      
27 A 437 421 4.11      
28 A 419 405 4.30      
29 A 183 176 2.12      
30 A 60 58 10.72      

Unscaled Zero Point Vibrational Energy (zpe) 20523.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19804.8 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 TPSSh/6-31G(2df,p)
ABC
0.18742 0.08214 0.06036

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.176 -0.085 -0.022
C2 -0.513 1.279 -0.209
H3 -1.112 2.050 0.283
H4 -0.518 1.487 -1.287
C5 0.921 1.193 0.302
H6 0.975 1.329 1.386
H7 1.593 1.908 -0.175
C8 -0.145 -1.213 0.149
S9 1.504 -0.497 -0.141
H10 -0.346 -2.013 -0.566
O11 -2.367 -0.279 0.016
H12 -0.236 -1.626 1.159

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52812.15822.12232.47752.93403.41501.53732.71372.16831.20692.1569
C21.52811.09331.09741.52552.18252.19832.54422.68823.31572.43123.2229
H32.15821.09331.77032.20602.46792.74633.40593.67524.22132.65893.8791
H42.12231.09741.77032.16413.06592.42293.08053.05583.57782.86903.9689
C52.47751.52552.20602.16411.09371.09052.63651.84183.55583.61363.1656
H62.93402.18252.46793.06591.09371.77593.04082.43794.08993.95303.2011
H73.41502.19832.74632.42291.09051.77593.58702.40704.39224.52704.1967
C81.53732.54423.40593.08052.63653.04083.58701.82081.09192.41361.0954
S92.71372.68823.67523.05581.84182.43792.40701.82082.42973.87972.4475
H102.16833.31574.22133.57783.55584.08994.39221.09192.42972.72591.7718
O111.20692.43122.65892.86903.61363.95304.52702.41363.87972.72592.7680
H122.15693.22293.87913.96893.16563.20114.19671.09542.44751.77182.7680

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 109.720 C1 C2 H4 106.721
C1 C2 C5 108.458 C1 C8 S9 107.521
C1 C8 H10 109.968 C1 C8 H12 108.867
C2 C1 C8 112.195 C2 C1 O11 125.068
C2 C5 H6 111.817 C2 C5 H7 113.304
C2 C5 S9 105.558 H3 C2 H4 107.822
H3 C2 C5 113.764 H4 C2 C5 110.126
C5 S9 C8 92.080 H6 C5 H7 108.790
H6 C5 S9 109.653 H7 C5 S9 107.557
C8 C1 O11 122.723 S9 C8 H10 110.555
S9 C8 H12 111.705 H10 C8 H12 108.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability