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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: QCISD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)/Def2TZVPP
 hartrees
Energy at 0K-209.798673
Energy at 298.15K 
HF Energy-208.890538
Nuclear repulsion energy160.744696
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 QCISD(T)/Def2TZVPP
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 3701 3701        
2 A1 3281 3281        
3 A1 3259 3259        
4 A1 1507 1507        
5 A1 1421 1421        
6 A1 1166 1166        
7 A1 1095 1095        
8 A1 1033 1033        
9 A1 891 891        
10 A2 841 841        
11 A2 684 684        
12 A2 606 606        
13 B1 823 823        
14 B1 731 731        
15 B1 634 634        
16 B1 441 441        
17 B2 3274 3274        
18 B2 3248 3248        
19 B2 1572 1572        
20 B2 1462 1462        
21 B2 1310 1310        
22 B2 1160 1160        
23 B2 1066 1066        
24 B2 868 868        

Unscaled Zero Point Vibrational Energy (zpe) 18036.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18036.8 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 QCISD(T)/Def2TZVPP
ABC
0.30465 0.30016 0.15119

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.122
H2 0.000 0.000 2.126
C3 0.000 1.125 0.332
C4 0.000 -1.125 0.332
C5 0.000 0.714 -0.984
C6 0.000 -0.714 -0.984
H7 0.000 2.110 0.767
H8 0.000 -2.110 0.767
H9 0.000 1.362 -1.846
H10 0.000 -1.362 -1.846

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00311.37471.37472.22472.22472.14022.14023.26583.2658
H21.00312.11682.11683.19103.19102.50992.50994.19844.1984
C31.37472.11682.25001.37942.26211.07703.26452.19113.3059
C41.37472.11682.25002.26211.37943.26451.07703.30592.1911
C52.22473.19101.37942.26211.42852.23983.32351.07772.2477
C62.22473.19102.26211.37941.42853.32352.23982.24771.0777
H72.14022.50991.07703.26452.23983.32354.22082.71794.3455
H82.14022.50993.26451.07703.32352.23984.22084.34552.7179
H93.26584.19842.19113.30591.07772.24772.71794.34552.7237
H103.26584.19843.30592.19112.24771.07774.34552.71792.7237

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.755 N1 C3 H7 121.124
N1 C4 C6 107.755 N1 C4 H8 121.124
H2 N1 C3 125.080 H2 N1 C4 125.080
C3 N1 C4 109.840 C3 C5 C6 107.325
C3 C5 H9 125.740 C4 C6 C5 107.325
C4 C6 H10 125.740 C5 C3 H7 131.121
C5 C6 H10 126.935 C6 C4 H8 131.121
C6 C5 H9 126.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability