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All results from a given calculation for C4H6OS (Dihydro-2-(3H)-thiophenone)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-240.154672
Energy at 298.15K-240.162125
HF Energy-239.628766
Nuclear repulsion energy200.852729
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/LANL2DZ
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 3171 3054 17.17      
2 A 3132 3017 19.90      
3 A 3122 3007 14.91      
4 A 3084 2971 30.80      
5 A 3057 2944 28.47      
6 A 3040 2928 13.80      
7 A 1602 1543 253.07      
8 A 1517 1461 1.69      
9 A 1508 1452 7.08      
10 A 1494 1439 9.89      
11 A 1400 1348 0.65      
12 A 1357 1307 5.23      
13 A 1353 1303 13.04      
14 A 1266 1220 1.73      
15 A 1203 1158 4.46      
16 A 1142 1100 4.79      
17 A 1073 1034 10.30      
18 A 1062 1023 1.30      
19 A 1027 989 81.93      
20 A 908 875 26.06      
21 A 895 862 6.12      
22 A 850 819 24.68      
23 A 655 631 1.74      
24 A 589 567 6.32      
25 A 561 540 53.15      
26 A 466 449 2.84      
27 A 452 435 1.21      
28 A 381 367 6.39      
29 A 221 213 1.75      
30 A 113 109 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 20850.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20080.7 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/LANL2DZ
ABC
0.13720 0.09841 0.06048

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.114 -1.146 0.206
H2 0.568 -1.996 -0.330
H3 0.099 -1.378 1.290
C4 -1.316 -0.790 -0.298
H5 -2.070 -1.494 0.096
H6 -1.337 -0.827 -1.403
C7 -1.634 0.667 0.178
H8 -1.890 0.695 1.250
H9 -2.435 1.129 -0.418
C10 1.019 0.101 0.011
O11 2.270 0.106 -0.061
S12 -0.031 1.671 -0.096

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.10331.10841.55702.21392.18972.51852.91423.47301.55292.50712.8361
H21.10331.79592.23742.71892.47993.49333.97254.33552.17252.71803.7231
H31.10841.79592.20672.47853.10102.90212.87313.95282.16062.95583.3510
C41.55702.23742.20671.10471.10541.56562.22052.22482.51753.70322.7827
H52.21392.71892.47851.10471.79682.20642.48122.69813.47714.62783.7692
H62.18972.47993.10101.10541.79682.19533.10762.44952.89983.95983.1064
C72.51853.49332.90211.56562.20642.19531.10211.10022.71753.95121.9106
H82.91423.97252.87312.22052.48123.10761.10211.80783.21644.40072.4930
H93.47304.33553.95282.22482.69812.44951.10021.80783.62884.82802.4848
C101.55292.17252.16062.51753.47712.89982.71753.21643.62881.25331.8912
O112.50712.71802.95583.70324.62783.95983.95124.40074.82801.25332.7830
S122.83613.72313.35102.78273.76923.10641.91062.49302.48481.89122.7830

picture of Dihydro-2-(3H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 111.432 C1 C4 H6 109.497
C1 C4 C7 107.517 C1 C10 O11 126.283
C1 C10 S12 110.485 H2 C1 H3 108.584
H2 C1 C4 113.400 H2 C1 C10 108.562
H3 C1 C4 110.635 H3 C1 C10 107.372
C4 C1 C10 108.097 C4 C7 H8 111.506
C4 C7 H9 111.956 C4 C7 S12 105.932
H5 C4 H6 108.786 H5 C4 C7 110.241
H6 C4 C7 109.342 C7 S12 C10 91.253
H8 C7 H9 110.339 H8 C7 S12 108.704
H9 C7 S12 108.206 O11 C10 S12 123.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability