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All results from a given calculation for C4H4S (Thiophene)

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

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/6-311G*
 hartrees
Energy at 0K-552.202493
Energy at 298.15K-552.206784
HF Energy-551.336708
Nuclear repulsion energy202.695034
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3280 3107 2.35      
2 A1 3253 3081 2.62      
3 A1 1458 1381 10.60      
4 A1 1409 1335 1.53      
5 A1 1114 1055 6.39      
6 A1 1080 1023 3.18      
7 A1 883 837 27.32      
8 A1 627 594 0.00      
9 A2 820 777 0.00      
10 A2 642 608 0.00      
11 A2 522 494 0.00      
12 B1 812 769 0.00      
13 B1 702 665 160.84      
14 B1 447 424 2.52      
15 B2 3277 3104 0.20      
16 B2 3240 3069 3.65      
17 B2 1538 1457 0.10      
18 B2 1291 1222 11.04      
19 B2 1114 1055 6.28      
20 B2 906 858 0.94      
21 B2 779 738 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 14597.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 13825.4 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=FULL/6-311G*
ABC
0.26972 0.17991 0.10792

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.189
C2 0.000 1.233 0.001
C3 0.000 -1.233 0.001
C4 0.000 0.710 -1.275
C5 0.000 -0.710 -1.275
H6 0.000 2.273 0.298
H7 0.000 -2.273 0.298
H8 0.000 1.324 -2.168
H9 0.000 -1.324 -2.168

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71201.71202.56412.56412.44162.44163.60873.6087
C21.71202.46521.37892.32381.08183.51812.17083.3530
C31.71202.46522.32381.37893.51811.08183.35302.1708
C42.56411.37892.32381.41932.21733.37171.08422.2214
C52.56412.32381.37891.41933.37172.21732.22141.0842
H62.44161.08183.51812.21733.37174.54602.64164.3612
H72.44163.51811.08183.37172.21734.54604.36122.6416
H83.60872.17083.35301.08422.22142.64164.36122.6488
H93.60873.35302.17082.22141.08424.36122.64162.6488

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.657 S1 C2 H6 120.143
S1 C3 C5 111.657 S1 C3 H7 120.143
C2 S1 C3 92.108 C2 C4 C5 112.289
C2 C4 H8 123.167 C3 C5 C4 112.289
C3 C5 H9 123.167 C4 C2 H6 128.200
C4 C5 H9 124.544 C5 C3 H7 128.200
C5 C4 H8 124.544
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability