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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-628.257413
Energy at 298.15K-628.264789
HF Energy-627.323199
Nuclear repulsion energy292.375279
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 MP3=FULL/6-31+G**
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 3951 3681 52.30      
2 A 3330 3103 7.92      
3 A 3302 3076 1.32      
4 A 3193 2975 19.36      
5 A 3137 2923 26.53      
6 A 3122 2908 15.10      
7 A 1694 1578 13.08      
8 A 1538 1433 3.00      
9 A 1467 1367 7.52      
10 A 1399 1303 5.24      
11 A 1364 1270 15.88      
12 A 1337 1246 25.08      
13 A 1301 1212 76.71      
14 A 1195 1114 3.17      
15 A 1168 1088 10.28      
16 A 1149 1071 129.99      
17 A 1056 984 3.26      
18 A 1022 952 23.03      
19 A 979 912 5.94      
20 A 944 880 0.50      
21 A 825 769 24.11      
22 A 717 668 22.70      
23 A 692 645 36.18      
24 A 673 627 31.87      
25 A 496 462 2.11      
26 A 476 443 6.92      
27 A 406 378 1.29      
28 A 340 317 8.46      
29 A 306 285 130.66      
30 A 81 76 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 21329.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 19870.7 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 MP3=FULL/6-31+G**
ABC
0.15298 0.10336 0.06479

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.234 -1.285 -0.039
C2 0.847 0.169 0.385
C3 0.087 1.421 -0.061
C4 -1.381 1.086 -0.014
C5 -1.651 -0.225 -0.034
O6 2.093 0.142 -0.254
H7 0.964 0.165 1.470
H8 0.396 1.659 -1.082
H9 -2.143 1.849 -0.029
H10 -2.631 -0.673 -0.056
H11 0.351 2.266 0.572
H12 2.646 -0.546 0.123

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.86072.72452.63331.76912.73842.41143.18613.67002.47363.64992.9777
C21.86071.53092.44172.56321.40091.09152.13913.45503.60522.16251.9538
C32.72451.53091.50592.39332.38702.16641.09282.27103.43031.08873.2331
C42.63332.44171.50591.33853.60782.92392.15091.07942.15782.17624.3470
C51.76912.56322.39331.33853.76833.04202.97262.13231.07763.25274.3116
O62.73841.40092.38703.60783.76832.06132.42214.57304.79782.86800.9601
H72.41141.09152.16642.92393.04202.06133.01163.83973.99412.36572.2694
H83.18612.13911.09282.15092.97262.42213.01162.75533.95631.76233.3731
H93.67003.45502.27101.07942.13234.57303.83972.75532.56912.59955.3572
H102.47363.60523.43032.15781.07764.79783.99413.95632.56914.23335.2812
H113.64992.16251.08872.17623.25272.86802.36571.76232.59954.23333.6572
H122.97771.95383.23314.34704.31160.96012.26943.37315.35725.28123.6572

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 106.486 S1 C2 O6 113.446
S1 C2 H7 106.610 S1 C5 C4 115.158
S1 C5 H10 118.644 C2 S1 C5 89.807
C2 C3 C4 107.030 C2 C3 H8 108.067
C2 C3 H11 110.133 C2 O6 H12 110.297
C3 C2 O6 108.929 C3 C2 H7 110.273
C3 C4 C5 114.452 C3 C4 H9 122.037
C4 C3 H8 110.717 C4 C3 H11 113.032
C4 C5 H10 126.196 C5 C4 H9 123.389
O6 C2 H7 110.983 H8 C3 H11 107.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability