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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-553.136681
Energy at 298.15K-553.143670
HF Energy-552.462221
Nuclear repulsion energy217.411452
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 MP2/6-31G**
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 3319 3108 7.37      
2 A 3291 3082 0.79      
3 A 3235 3029 9.14      
4 A 3184 2982 20.88      
5 A 3153 2953 16.67      
6 A 3103 2906 30.55      
7 A 1653 1548 8.33      
8 A 1542 1444 0.55      
9 A 1525 1428 1.71      
10 A 1383 1295 0.52      
11 A 1370 1283 4.26      
12 A 1323 1239 15.74      
13 A 1239 1160 1.70      
14 A 1183 1108 0.27      
15 A 1149 1076 1.43      
16 A 1055 988 4.70      
17 A 1037 971 2.25      
18 A 955 895 2.06      
19 A 920 862 1.08      
20 A 893 836 1.38      
21 A 821 769 20.41      
22 A 719 674 5.62      
23 A 698 654 26.11      
24 A 663 621 21.09      
25 A 509 476 0.63      
26 A 411 385 2.52      
27 A 190 178 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 20260.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 18973.8 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 MP2/6-31G**
ABC
0.23086 0.15647 0.09889

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.065 -1.245 0.234
H2 -0.079 -1.454 1.304
H3 0.138 -2.166 -0.307
C4 -1.373 -0.576 -0.195
H5 -2.217 -1.001 0.349
H6 -1.554 -0.739 -1.264
C7 0.106 1.274 0.086
H8 0.472 2.284 0.188
C9 -1.182 0.895 0.066
H10 -2.006 1.591 0.136
S11 1.270 -0.037 -0.097

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 C9 H10 S11
C11.09001.08761.53082.16932.17192.52883.57012.42003.43781.8304
H21.09001.77472.16622.38503.04612.99263.93992.87523.78752.4059
H31.08761.77472.19652.70892.41173.46264.49043.35474.34842.4204
C41.53082.16622.19651.09061.09562.38503.42531.50662.28172.6996
H52.16932.38502.70891.09061.76343.26134.24812.17852.60863.6455
H62.17193.04612.41171.09561.76342.93753.91812.13932.75523.1358
C72.52882.99263.46262.38503.26132.93751.07961.34202.13541.7634
H83.57013.93994.49043.42534.24813.91811.07962.16312.57322.4716
C92.42002.87523.35471.50662.17852.13931.34202.16311.08062.6286
H103.43783.78754.34842.28172.60862.75522.13542.57321.08063.6658
S111.83042.40592.42042.69963.64553.13581.76342.47162.62863.6658

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 110.573 C1 C4 H6 110.485
C1 C4 C9 105.638 C1 S11 C7 89.423
H2 C1 H3 109.175 H2 C1 C4 110.357
H2 C1 S11 108.249 H3 C1 C4 112.955
H3 C1 S11 109.445 C4 C1 S11 106.530
C4 C9 C7 113.576 C4 C9 H10 122.903
H5 C4 H6 107.534 H5 C4 C9 113.050
H6 C4 C9 109.581 C7 C9 H10 123.283
H8 C7 C9 126.226 H8 C7 S11 118.785
C9 C7 S11 114.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability