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All results from a given calculation for C4H6OS (4,5-dihydrothiophene-2-ol)

using model chemistry: B3LYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-629.551614
Energy at 298.15K-629.558924
HF Energy-629.551614
Nuclear repulsion energy291.674608
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/aug-cc-pVTZ
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 3792 3668 56.49      
2 A 3177 3074 9.04      
3 A 3122 3021 10.21      
4 A 3063 2964 40.77      
5 A 3045 2946 10.84      
6 A 2981 2885 54.80      
7 A 1672 1618 151.27      
8 A 1499 1450 0.30      
9 A 1480 1432 3.52      
10 A 1374 1329 10.78      
11 A 1336 1292 19.02      
12 A 1294 1252 5.43      
13 A 1260 1219 22.36      
14 A 1188 1149 3.40      
15 A 1154 1116 0.85      
16 A 1132 1095 204.55      
17 A 1036 1002 14.46      
18 A 999 967 18.26      
19 A 919 890 14.09      
20 A 864 836 1.47      
21 A 738 714 41.80      
22 A 688 665 2.69      
23 A 677 655 12.81      
24 A 626 605 7.08      
25 A 529 512 6.60      
26 A 471 455 2.66      
27 A 361 349 8.43      
28 A 332 321 81.56      
29 A 253 245 9.57      
30 A 157 152 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 20608.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19938.4 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/aug-cc-pVTZ
ABC
0.15595 0.10060 0.06344

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.067 -1.269 -0.106
C2 -0.856 0.245 0.023
C3 -0.126 1.362 0.028
C4 1.348 1.129 -0.163
C5 1.615 -0.329 0.245
O6 -2.201 0.084 0.072
H7 -0.560 2.351 0.080
H8 1.961 1.802 0.440
H9 1.811 -0.406 1.313
H10 1.635 1.290 -1.209
H11 2.435 -0.787 -0.303
H12 -2.628 0.946 0.002

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.77762.64112.71951.84512.64693.67853.64892.40843.19742.42503.4904
C21.77761.33382.38202.54661.35582.12733.24503.03302.96893.46431.9064
C32.64111.33381.50492.43712.43701.08162.17262.92092.15343.35952.5363
C42.71952.38201.50491.53763.70742.27931.09172.17981.09652.20723.9841
C51.84512.54662.43711.53763.84273.45602.16751.08892.17621.08674.4379
O62.64691.35582.43703.70743.84272.79824.51744.22824.22034.73230.9648
H73.67852.12731.08162.27933.45602.79822.60543.84012.75824.35502.5009
H83.64893.24502.17261.09172.16754.51742.60542.37911.75762.73444.6887
H92.40843.03302.92092.17981.08894.22823.84012.37913.04481.77344.8224
H103.19742.96892.15341.09652.17624.22032.75821.75763.04482.40324.4452
H112.42503.46433.35952.20721.08674.73234.35502.73441.77342.40325.3606
H123.49041.90642.53633.98414.43790.96482.50094.68874.82244.44525.3606

picture of 4,5-dihydrothiophene-2-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 115.433 S1 C2 O6 114.619
S1 C5 C4 106.663 S1 C5 H9 107.526
S1 C5 H11 108.839 C2 S1 C5 89.310
C2 C3 C4 113.954 C2 C3 H7 123.120
C2 O6 H12 109.310 C3 C2 O6 129.929
C3 C4 C5 106.452 C3 C4 H8 112.614
C3 C4 H10 110.762 C4 C3 H7 122.738
C4 C5 H9 111.027 C4 C5 H11 113.383
C5 C4 H8 109.885 C5 C4 H10 110.289
H8 C4 H10 106.872 H9 C5 H11 109.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability