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All results from a given calculation for C4H4S (Thiophene)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-552.291111
Energy at 298.15K-552.295582
HF Energy-551.378855
Nuclear repulsion energy203.815132
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/cc-pVTZ
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 3309 3141 2.08      
2 A1 3275 3110 0.89      
3 A1 1464 1390 6.46      
4 A1 1401 1330 1.07      
5 A1 1110 1054 2.41      
6 A1 1082 1027 4.42      
7 A1 882 837 20.71      
8 A1 622 590 0.02      
9 A2 935 888 0.00      
10 A2 699 663 0.00      
11 A2 589 559 0.00      
12 B1 886 841 0.00      
13 B1 750 712 126.96      
14 B1 472 448 1.42      
15 B2 3305 3138 0.17      
16 B2 3259 3094 2.60      
17 B2 1534 1457 0.00      
18 B2 1287 1222 10.75      
19 B2 1108 1052 4.07      
20 B2 900 855 0.75      
21 B2 778 739 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 14822.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 14072.6 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/cc-pVTZ
ABC
0.27238 0.18201 0.10911

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 1.191
C2 0.000 1.227 -0.006
C3 0.000 -1.227 -0.006
C4 0.000 0.708 -1.269
C5 0.000 -0.708 -1.269
H6 0.000 2.258 0.285
H7 0.000 -2.258 0.285
H8 0.000 1.308 -2.160
H9 0.000 -1.308 -2.160

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9
S11.71401.71402.55932.55932.43312.43313.59673.5967
C21.71402.45341.36462.31031.07173.49702.15503.3258
C31.71402.45342.31031.36463.49701.07173.32582.1550
C42.55931.36462.31031.41652.19443.34851.07412.2042
C52.55932.31031.36461.41653.34852.19442.20421.0741
H62.43311.07173.49702.19443.34854.51632.62294.3234
H72.43313.49701.07173.34852.19444.51634.32342.6229
H83.59672.15503.32581.07412.20422.62294.32342.6155
H93.59673.32582.15502.20421.07414.32342.62292.6155

picture of Thiophene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 111.969 S1 C2 H6 119.935
S1 C3 C5 111.969 S1 C3 H7 119.935
C2 S1 C3 91.402 C2 C4 C5 112.330
C2 C4 H8 123.741 C3 C5 C4 112.330
C3 C5 H9 123.741 C4 C2 H6 128.096
C4 C5 H9 123.929 C5 C3 H7 128.096
C5 C4 H8 123.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability