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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-628.499286
Energy at 298.15K-628.506637
HF Energy-627.431749
Nuclear repulsion energy296.799391
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 MP2/Def2TZVPP
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 3833 3647 46.43      
2 A 3264 3106 4.12      
3 A 3237 3080 0.33      
4 A 3146 2994 4.40      
5 A 3106 2955 29.02      
6 A 3070 2921 10.67      
7 A 1613 1535 8.03      
8 A 1463 1393 5.49      
9 A 1391 1324 7.29      
10 A 1346 1281 4.83      
11 A 1327 1262 24.06      
12 A 1292 1230 48.92      
13 A 1224 1165 30.64      
14 A 1188 1130 17.26      
15 A 1120 1066 1.43      
16 A 1067 1015 73.95      
17 A 1022 972 7.07      
18 A 951 905 21.93      
19 A 920 875 0.67      
20 A 889 846 29.79      
21 A 827 786 19.95      
22 A 791 753 20.82      
23 A 689 656 34.09      
24 A 661 629 16.18      
25 A 573 545 0.75      
26 A 430 409 6.92      
27 A 377 359 6.04      
28 A 354 337 12.31      
29 A 230 219 123.50      
30 A 150 143 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 20776.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19768.4 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 MP2/Def2TZVPP
ABC
0.13331 0.11597 0.07602

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.439 -1.242 0.224
C2 0.933 -0.033 0.411
C3 0.269 1.332 0.532
C4 -1.014 1.264 -0.241
C5 -1.470 0.021 -0.432
O6 1.760 0.006 -0.729
H7 1.490 -0.320 1.303
H8 0.960 2.082 0.148
H9 -1.543 2.146 -0.569
H10 -2.389 -0.256 -0.925
H11 0.066 1.558 1.582
H12 2.044 -0.895 -0.918

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.83832.68772.61241.75752.70232.39513.60743.65032.46833.15302.7546
C21.83831.52332.42812.54701.40871.09012.13163.44083.58732.15801.9342
C32.68771.52331.49902.38172.36112.19441.08972.27123.42201.09313.1958
C42.61242.42811.49901.33743.08453.34062.17171.07992.16102.13923.8030
C51.75752.54702.38171.33743.24363.44803.23862.13011.07902.96313.6629
O62.70231.40872.36113.08453.24362.07522.39193.93914.16213.25920.9630
H72.39511.09012.19443.34063.44802.07522.71744.33424.47362.37372.3598
H83.60742.13161.08972.17173.23862.39192.71742.60484.22321.76933.3428
H93.65033.44082.27121.07992.13013.93914.33422.60482.57122.75034.7148
H102.46833.58733.42202.16101.07904.16214.47364.22322.57123.95024.4781
H113.15302.15801.09312.13922.96313.25922.37371.76932.75033.95024.0225
H122.75461.93423.19583.80303.66290.96302.35983.34284.71484.47814.0225

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 105.789 S1 C2 O6 111.982
S1 C2 H7 106.950 S1 C5 C4 114.472
S1 C5 H10 119.016 C2 S1 C5 90.169
C2 C3 C4 106.909 C2 C3 H8 108.184
C2 C3 H11 110.048 C2 O6 H12 107.806
C3 C2 O6 107.211 C3 C2 H7 113.170
C3 C4 C5 114.092 C3 C4 H9 122.624
C4 C3 H8 113.101 C4 C3 H11 110.253
C4 C5 H10 126.505 C5 C4 H9 123.217
O6 C2 H7 111.659 H8 C3 H11 108.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability