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All results from a given calculation for C4H6OS (2,5-dihydrothiophene-3-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-628.500557
Energy at 298.15K-628.507787
HF Energy-627.438649
Nuclear repulsion energy289.038455
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 3831 3645 58.13      
2 A 3218 3062 9.69      
3 A 3143 2991 2.73      
4 A 3129 2977 6.16      
5 A 3092 2942 26.36      
6 A 3084 2934 29.62      
7 A 1728 1644 82.28      
8 A 1507 1434 1.44      
9 A 1497 1424 4.42      
10 A 1429 1360 7.04      
11 A 1286 1223 16.75      
12 A 1275 1213 50.23      
13 A 1228 1169 1.34      
14 A 1166 1109 172.74      
15 A 1157 1101 0.00      
16 A 1138 1082 6.45      
17 A 1035 985 13.44      
18 A 978 930 0.08      
19 A 906 862 0.02      
20 A 901 857 0.96      
21 A 800 761 9.78      
22 A 779 741 42.54      
23 A 741 705 1.10      
24 A 612 582 0.80      
25 A 484 461 0.18      
26 A 479 456 0.38      
27 A 393 374 93.55      
28 A 382 363 12.30      
29 A 232 221 4.21      
30 A 61 58 3.05      

Unscaled Zero Point Vibrational Energy (zpe) 20844.3 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 19833.3 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
0.20202 0.07984 0.05847

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 1.537 -0.518 0.000
C2 -0.157 -1.175 0.000
C3 -1.045 0.023 -0.000
C4 -0.470 1.230 -0.000
C5 1.022 1.240 0.000
O6 -2.374 -0.278 -0.000
H7 -0.335 -1.786 -0.884
H8 -1.031 2.155 -0.000
H9 1.432 1.730 0.883
H10 -0.335 -1.785 0.885
H11 1.432 1.730 -0.883
H12 -2.870 0.548 -0.001

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12
S11.81732.63842.66121.83183.91872.42803.70632.41742.42802.41734.5346
C21.81731.49192.42532.68802.39201.08933.44303.42721.08933.42743.2146
C32.63841.49191.33652.39911.36272.13542.13173.13522.13533.13531.8992
C42.66122.42531.33651.49232.42883.14551.08192.15583.14542.15582.4953
C51.83182.68802.39911.49233.72033.43252.24751.08983.43231.08983.9537
O63.91872.39201.36272.42883.72032.68602.77924.39302.68614.39310.9637
H72.42801.08932.13543.14553.43252.68604.09844.31371.76893.93523.5578
H83.70633.44302.13171.08192.24752.77924.09842.65054.09822.65052.4426
H92.41743.42723.13522.15581.08984.39304.31372.65053.93471.76624.5484
H102.42801.08932.13533.14543.43232.68611.76894.09823.93474.31373.5580
H112.41733.42743.13532.15581.08984.39313.93522.65051.76624.31374.5482
H124.53463.21461.89922.49533.95370.96373.55782.44264.54843.55804.5482

picture of 2,5-dihydrothiophene-3-ol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 105.324 S1 C2 H7 110.799
S1 C2 H10 110.802 S1 C5 C4 105.921
S1 C5 H9 109.012 S1 C5 H11 109.008
C2 S1 C5 94.892 C2 C3 C4 117.965
C2 C3 O6 113.772 C3 C2 H7 110.671
C3 C2 H10 110.669 C3 C4 C5 115.898
C3 C4 H8 123.290 C3 O6 H12 108.222
C4 C3 O6 128.262 C4 C5 H9 112.277
C4 C5 H11 112.279 C5 C4 H8 120.812
H7 C2 H10 108.570 H9 C5 H11 108.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability