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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-553.159224
Energy at 298.15K-553.166152
HF Energy-552.480973
Nuclear repulsion energy215.998828
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/cc-pVDZ
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 3270 3114 6.13      
2 A 3243 3089 0.32      
3 A 3185 3034 9.07      
4 A 3144 2995 17.87      
5 A 3100 2953 20.64      
6 A 3058 2913 32.46      
7 A 1622 1545 9.95      
8 A 1477 1407 0.89      
9 A 1459 1390 2.53      
10 A 1343 1279 0.84      
11 A 1322 1259 3.50      
12 A 1274 1214 15.42      
13 A 1200 1143 2.05      
14 A 1146 1091 0.64      
15 A 1107 1054 1.13      
16 A 1032 983 3.33      
17 A 1007 959 2.90      
18 A 944 899 2.44      
19 A 905 862 0.92      
20 A 869 828 1.50      
21 A 802 764 21.30      
22 A 697 664 5.95      
23 A 686 654 28.01      
24 A 651 620 19.56      
25 A 495 472 0.48      
26 A 404 385 2.48      
27 A 194 185 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 19816.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 18875.5 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/cc-pVDZ
ABC
0.22812 0.15446 0.09781

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.069 -1.249 0.241
H2 -0.081 -1.440 1.328
H3 0.144 -2.189 -0.292
C4 -1.379 -0.580 -0.201
H5 -2.240 -1.011 0.338
H6 -1.548 -0.738 -1.286
C7 0.108 1.280 0.090
H8 0.476 2.306 0.188
C9 -1.189 0.898 0.067
H10 -2.020 1.606 0.138
S11 1.278 -0.039 -0.100

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.10401.10081.53622.18592.18622.54033.59682.42813.45971.8426
H21.10401.79842.18282.41363.07862.99513.95512.87853.80232.4187
H31.10081.79842.21762.73292.44093.49034.53213.38174.38982.4379
C41.53622.18282.21761.10311.10872.39983.45241.51422.30322.7137
H52.18592.41362.73291.10311.78563.29004.28892.19542.63353.6758
H62.18623.07862.44091.10871.78562.95153.94102.15312.78263.1437
C72.54032.99513.49032.39983.29002.95151.09351.35312.15381.7735
H83.59683.95514.53213.45244.28893.94101.09352.18372.59252.4950
C92.42812.87853.38171.51422.19542.15311.35312.18371.09382.6447
H103.45973.80234.38982.30322.63352.78262.15382.59251.09383.6934
S111.84262.41872.43792.71373.67583.14371.77352.49502.64473.6934

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 110.766 C1 C4 H6 110.459
C1 C4 C9 105.499 C1 S11 C7 89.231
H2 C1 H3 109.308 H2 C1 C4 110.466
H2 C1 S11 107.683 H3 C1 C4 113.451
H3 C1 S11 109.228 C4 C1 S11 106.512
C4 C9 C7 113.519 C4 C9 H10 123.234
H5 C4 H6 107.664 H5 C4 C9 113.087
H6 C4 C9 109.377 C7 C9 H10 122.986
H8 C7 C9 126.057 H8 C7 S11 119.056
C9 C7 S11 114.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability