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All results from a given calculation for C4H6S (Thiophene, 2,3-dihydro-)

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-553.218529
Energy at 298.15K-553.225521
HF Energy-552.510387
Nuclear repulsion energy217.448889
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 MP2/6-311G**
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 3260 3097 7.33      
2 A 3233 3072 0.36      
3 A 3182 3023 10.22      
4 A 3136 2980 20.43      
5 A 3099 2945 20.90      
6 A 3050 2898 33.35      
7 A 1613 1532 10.14      
8 A 1500 1425 1.01      
9 A 1481 1408 2.73      
10 A 1356 1288 2.35      
11 A 1349 1281 4.94      
12 A 1298 1234 17.62      
13 A 1216 1156 1.98      
14 A 1168 1110 0.41      
15 A 1122 1066 1.54      
16 A 1038 986 6.24      
17 A 1024 973 3.55      
18 A 945 898 2.33      
19 A 905 860 0.56      
20 A 885 841 1.91      
21 A 813 773 23.25      
22 A 711 676 2.98      
23 A 685 651 23.13      
24 A 648 616 36.31      
25 A 503 478 1.06      
26 A 411 391 2.36      
27 A 208 197 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 19918.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 18926.4 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 MP2/6-311G**
ABC
0.23066 0.15665 0.09930

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.061 -1.240 0.252
H2 -0.086 -1.409 1.332
H3 0.149 -2.177 -0.266
C4 -1.366 -0.584 -0.209
H5 -2.225 -1.016 0.313
H6 -1.509 -0.735 -1.289
C7 0.103 1.272 0.092
H8 0.470 2.286 0.199
C9 -1.186 0.891 0.068
H10 -2.015 1.585 0.144
S11 1.267 -0.036 -0.103

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09391.09131.53172.17692.17352.52243.56622.41633.43711.8272
H21.09391.78882.16662.40193.05722.96053.90522.84533.75502.4037
H31.09131.78882.19932.70542.42303.46844.49923.36244.35992.4214
C41.53172.16662.19931.09431.09982.38573.43121.51082.29152.6915
H52.17692.40192.70541.09431.77673.27164.26402.18502.61503.6510
H62.17353.05722.42301.09981.77672.92123.90642.14252.77433.0985
C72.52242.96053.46842.38573.27162.92121.08381.34432.14191.7622
H83.56623.90524.49923.43124.26403.90641.08382.16972.58312.4737
C92.41632.84533.36241.51082.18502.14251.34432.16971.08462.6280
H103.43713.75504.35992.29152.61502.77432.14192.58311.08463.6696
S111.82722.40372.42142.69153.65103.09851.76222.47372.62803.6696

picture of Thiophene, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 110.889 C1 C4 H6 110.292
C1 C4 C9 105.151 C1 S11 C7 89.278
H2 C1 H3 109.885 H2 C1 C4 110.089
H2 C1 S11 108.109 H3 C1 C4 112.875
H3 C1 S11 109.538 C4 C1 S11 106.178
C4 C9 C7 113.221 C4 C9 H10 123.149
H5 C4 H6 108.151 H5 C4 C9 113.039
H6 C4 C9 109.299 C7 C9 H10 123.376
H8 C7 C9 126.318 H8 C7 S11 118.783
C9 C7 S11 114.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability