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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: G3MP2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3MP2
 hartrees
Energy at 0K-209.817649
Energy at 298.15K-209.812655
HF Energy-208.807853
Nuclear repulsion energy162.277756
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 HF/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 A1 3926 3699 83.69      
2 A1 3455 3255 0.12      
3 A1 3430 3232 10.20      
4 A1 1648 1553 15.63      
5 A1 1548 1459 7.24      
6 A1 1264 1191 2.67      
7 A1 1161 1094 25.90      
8 A1 1110 1046 25.89      
9 A1 968 912 0.75      
10 A2 1000 942 0.00      
11 A2 806 759 0.00      
12 A2 679 640 0.00      
13 B1 966 910 0.43      
14 B1 830 782 137.56      
15 B1 684 645 0.12      
16 B1 484 456 120.85      
17 B2 3449 3250 14.32      
18 B2 3417 3220 4.85      
19 B2 1744 1644 9.43      
20 B2 1595 1503 10.18      
21 B2 1437 1354 1.16      
22 B2 1253 1180 1.49      
23 B2 1166 1099 18.55      
24 B2 946 891 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 19483.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 18357.6 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/6-31G*
ABC
0.30599 0.30053 0.15162

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.119
H2 0.000 0.000 2.130
C3 0.000 1.124 0.333
C4 0.000 -1.124 0.333
C5 0.000 0.708 -0.984
C6 0.000 -0.708 -0.984
H7 0.000 2.113 0.770
H8 0.000 -2.113 0.770
H9 0.000 1.357 -1.849
H10 0.000 -1.357 -1.849

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01071.37161.37162.21892.21892.14152.14153.26383.2638
H21.01072.11912.11913.19313.19312.51252.51254.20414.2041
C31.37162.11912.24881.38152.25701.08073.26662.19523.3049
C41.37162.11912.24882.25701.38153.26661.08073.30492.1952
C52.21893.19311.38152.25701.41662.24713.32201.08172.2393
C62.21893.19312.25701.38151.41663.32202.24712.23931.0817
H72.14152.51251.08073.26662.24713.32204.22582.72654.3477
H82.14152.51253.26661.08073.32202.24714.22584.34772.7265
H93.26384.20412.19523.30491.08172.23932.72654.34772.7139
H103.26384.20413.30492.19522.23931.08174.34772.72652.7139

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 108.186 N1 C3 H7 121.097
N1 C4 C6 108.186 N1 C4 H8 121.097
H2 N1 C3 125.277 H2 N1 C4 125.277
C3 N1 C4 109.446 C3 C5 C6 107.091
C3 C5 H9 126.010 C4 C6 C5 107.091
C4 C6 H10 126.010 C5 C3 H7 130.716
C5 C6 H10 126.899 C6 C4 H8 130.716
C6 C5 H9 126.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability