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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-552.001606
Energy at 298.15K-552.005926
HF Energy-551.302028
Nuclear repulsion energy202.696400
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=FULL/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3334 3132 1.77      
2 A1 3304 3103 2.47      
3 A1 1475 1386 8.97      
4 A1 1425 1338 2.69      
5 A1 1126 1058 5.51      
6 A1 1088 1022 3.27      
7 A1 885 831 25.28      
8 A1 629 590 0.01      
9 A2 837 786 0.00      
10 A2 656 616 0.00      
11 A2 520 488 0.00      
12 B1 840 789 0.09      
13 B1 716 672 161.50      
14 B1 443 416 1.88      
15 B2 3332 3129 0.01      
16 B2 3291 3091 3.53      
17 B2 1553 1459 0.24      
18 B2 1308 1228 10.93      
19 B2 1127 1059 5.40      
20 B2 908 853 1.28      
21 B2 777 730 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 14785.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 13886.9 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=FULL/6-31+G**
ABC
0.26988 0.17972 0.10788

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.191
C2 0.000 1.233 0.000
C3 0.000 -1.233 0.000
C4 0.000 0.709 -1.275
C5 0.000 -0.709 -1.275
H6 0.000 2.270 0.291
H7 0.000 -2.270 0.291
H8 0.000 1.322 -2.165
H9 0.000 -1.322 -2.165

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71381.71382.56582.56582.44192.44193.60613.6061
C21.71382.46561.37862.32351.07753.51512.16663.3483
C31.71382.46562.32351.37863.51511.07753.34832.1666
C42.56581.37862.32351.41892.21133.36631.07972.2172
C52.56582.32351.37861.41893.36632.21132.21721.0797
H62.44191.07753.51512.21133.36634.54052.63274.3511
H72.44193.51511.07753.36632.21134.54054.35112.6327
H83.60612.16663.34831.07972.21722.63274.35112.6431
H93.60613.34832.16662.21721.07974.35112.63272.6431

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.686 S1 C2 H6 120.330
S1 C3 C5 111.686 S1 C3 H7 120.330
C2 S1 C3 92.004 C2 C4 C5 112.312
C2 C4 H8 123.153 C3 C5 C4 112.312
C3 C5 H9 123.153 C4 C2 H6 127.985
C4 C5 H9 124.535 C5 C3 H7 127.985
C5 C4 H8 124.535
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability