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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-628.307760
Energy at 298.15K-628.315123
HF Energy-627.403654
Nuclear repulsion energy292.440007
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/TZVP
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 3854 3653 55.15      
2 A 3270 3099 7.22      
3 A 3244 3075 0.28      
4 A 3153 2989 14.50      
5 A 3081 2920 31.82      
6 A 3066 2907 12.51      
7 A 1621 1537 12.01      
8 A 1497 1419 4.63      
9 A 1445 1370 6.27      
10 A 1363 1292 3.83      
11 A 1337 1267 18.47      
12 A 1304 1236 21.21      
13 A 1281 1214 61.45      
14 A 1178 1117 3.14      
15 A 1145 1085 7.77      
16 A 1123 1064 156.35      
17 A 1040 986 2.85      
18 A 1009 956 17.95      
19 A 969 919 7.39      
20 A 925 877 0.54      
21 A 812 770 26.21      
22 A 699 662 19.33      
23 A 670 635 26.74      
24 A 649 616 49.20      
25 A 486 461 3.72      
26 A 462 438 2.92      
27 A 405 384 0.89      
28 A 336 318 20.00      
29 A 309 293 108.21      
30 A 108 102 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 20920.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 19830.7 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/TZVP
ABC
0.15361 0.10307 0.06478

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.241 -1.286 -0.043
C2 0.847 0.170 0.382
C3 0.092 1.416 -0.070
C4 -1.371 1.091 -0.007
C5 -1.650 -0.216 -0.029
O6 2.097 0.138 -0.248
H7 0.952 0.168 1.471
H8 0.396 1.635 -1.100
H9 -2.132 1.861 -0.023
H10 -2.636 -0.659 -0.048
H11 0.364 2.269 0.554
H12 2.626 -0.560 0.153

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.86692.72342.63321.76972.74462.41513.17173.67202.47563.65512.9634
C21.86691.52632.43392.56021.39951.09412.13263.44983.60602.16051.9357
C32.72341.52631.50052.38772.38442.16221.09522.26853.42761.09073.2209
C42.63322.43391.50051.33703.60492.90452.14811.08222.15972.17074.3276
C51.76972.56022.38771.33703.76963.02832.95982.13231.08083.25114.2931
O62.74461.39952.38443.60493.76962.06532.42104.57194.80292.86090.9627
H72.41511.09412.16222.90453.02832.06533.01193.82253.98342.36622.2512
H83.17172.13261.09522.14812.95982.42103.01192.75683.94481.77053.3703
H93.67203.44982.26851.08222.13234.57193.82252.75682.57022.59415.3410
H102.47563.60603.42762.15971.08084.80293.98343.94482.57024.23475.2659
H113.65512.16051.09072.17073.25112.86092.36621.77052.59414.23473.6434
H122.96341.93573.22094.32764.29310.96272.25123.37035.34105.26593.6434

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 106.325 S1 C2 O6 113.563
S1 C2 H7 106.358 S1 C5 C4 115.197
S1 C5 H10 118.558 C2 S1 C5 89.458
C2 C3 C4 107.045 C2 C3 H8 107.743
C2 C3 H11 110.174 C2 O6 H12 108.645
C3 C2 O6 109.086 C3 C2 H7 110.109
C3 C4 C5 114.476 C3 C4 H9 122.055
C4 C3 H8 110.733 C4 C3 H11 112.846
C4 C5 H10 126.243 C5 C4 H9 123.289
O6 C2 H7 111.250 H8 C3 H11 108.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability