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All results from a given calculation for C4H6OS (2,3-dihydrothiophene-2-ol)

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-629.443796
Energy at 298.15K-629.451119
HF Energy-629.443796
Nuclear repulsion energy294.125720
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 B3LYP/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 3812 3678 31.29      
2 A 3231 3118 7.64      
3 A 3197 3085 1.72      
4 A 3081 2974 9.69      
5 A 3043 2936 48.09      
6 A 3017 2912 13.25      
7 A 1651 1593 8.71      
8 A 1461 1410 2.33      
9 A 1402 1353 8.49      
10 A 1340 1293 2.19      
11 A 1318 1272 23.07      
12 A 1284 1239 71.79      
13 A 1224 1181 28.93      
14 A 1182 1141 12.23      
15 A 1121 1082 2.21      
16 A 1067 1030 72.09      
17 A 1006 971 11.76      
18 A 942 909 29.34      
19 A 926 894 0.55      
20 A 878 847 20.69      
21 A 814 785 18.53      
22 A 758 732 25.60      
23 A 687 663 30.90      
24 A 643 621 11.82      
25 A 549 530 1.07      
26 A 425 410 7.39      
27 A 377 364 4.60      
28 A 363 350 33.35      
29 A 277 267 108.09      
30 A 126 122 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 20600.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19879.6 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 B3LYP/6-31G(2df,p)
ABC
0.13351 0.11267 0.07306

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.411 -1.262 0.212
C2 0.947 0.003 0.410
C3 0.237 1.363 0.487
C4 -1.080 1.235 -0.232
C5 -1.504 -0.015 -0.407
O6 1.809 0.033 -0.699
H7 1.482 -0.252 1.332
H8 0.896 2.117 0.046
H9 -1.644 2.105 -0.547
H10 -2.433 -0.328 -0.867
H11 0.073 1.644 1.537
H12 2.130 -0.861 -0.860

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.86592.71782.62331.77062.72622.42033.62693.66592.47503.23012.7865
C21.86591.53672.45772.58411.40481.09582.14623.47123.62792.17411.9389
C32.71781.53671.50602.39402.37662.20721.09492.27073.43771.09853.2166
C42.62332.45771.50601.33183.16353.34992.18191.08372.16212.15093.8846
C51.77062.58412.39401.33183.32643.46413.24272.13011.08193.00323.7588
O62.72621.40482.37663.16353.32642.07642.39394.02974.26013.25670.9633
H72.42031.09582.20723.34993.46412.07642.75834.34244.49062.37082.3659
H83.62692.14621.09492.18193.24272.39392.75832.60804.22981.76773.3482
H93.66593.47122.27071.08372.13014.02974.34242.60802.57822.73864.8101
H102.47503.62793.43772.16211.08194.26014.49064.22982.57823.99284.5934
H113.23012.17411.09852.15093.00323.25672.37081.76772.73863.99284.0313
H122.78651.93893.21663.88463.75880.96332.36593.34824.81014.59344.0313

picture of 2,3-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.614 S1 C2 O6 112.155
S1 C2 H7 106.704 S1 C5 C4 114.731
S1 C5 H10 118.366 C2 S1 C5 90.529
C2 C3 C4 107.748 C2 C3 H8 108.117
C2 C3 H11 110.075 C2 O6 H12 108.479
C3 C2 O6 107.707 C3 C2 H7 112.887
C3 C4 C5 114.905 C3 C4 H9 121.663
C4 C3 H8 113.103 C4 C3 H11 110.365
C4 C5 H10 126.898 C5 C4 H9 123.398
O6 C2 H7 111.678 H8 C3 H11 107.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability