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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PM6

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K0.041187
HF Energy0.041187
Nuclear repulsion energy98.688425
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 PM6
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 2839 3017 169.29      
2 A1 2803 2978 132.47      
3 A1 2785 2959 84.24      
4 A1 1458 1549 3.71      
5 A1 1413 1501 0.26      
6 A1 1251 1330 23.41      
7 A1 1144 1215 5.06      
8 A1 1093 1161 30.45      
9 A1 812 862 3.48      
10 A2 914 971 0.00      
11 A2 844 896 0.00      
12 A2 512 544 0.00      
13 B1 872 927 0.49      
14 B1 809 859 169.16      
15 B1 593 630 73.89      
16 B1 481 511 14.14      
17 B2 2794 2968 95.26      
18 B2 2781 2955 183.85      
19 B2 1575 1673 0.03      
20 B2 1429 1519 0.75      
21 B2 1294 1374 0.46      
22 B2 1214 1290 4.32      
23 B2 1098 1166 20.56      
24 B2 789 838 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 16797.7 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 17845.9 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 PM6
ABC
0.30039 0.29273 0.14825

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.146
H2 0.000 0.000 2.136
C3 0.000 1.133 0.328
C4 0.000 -1.133 0.328
C5 0.000 0.710 -0.995
C6 0.000 -0.710 -0.995
H7 0.000 2.098 0.727
H8 0.000 -2.098 0.727
H9 0.000 1.367 -1.805
H10 0.000 -1.367 -1.805

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N10.98981.39771.39772.25652.25652.13972.13973.25313.2531
H20.98982.13382.13383.21113.21112.52762.52764.17204.1720
C31.39772.13382.26651.38952.26951.04403.25592.14643.2871
C41.39772.13382.26652.26951.38953.25591.04403.28712.1464
C52.25653.21111.38952.26951.42082.21173.29451.04292.2300
C62.25653.21112.26951.38951.42083.29452.21172.23001.0429
H72.13972.52761.04403.25592.21173.29454.19642.63554.2920
H82.13972.52763.25591.04403.29452.21174.19644.29202.6355
H93.25314.17202.14643.28711.04292.23002.63554.29202.7346
H103.25314.17203.28712.14642.23001.04294.29202.63552.7346

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 108.110 N1 C3 H7 121.732
N1 C4 C6 108.110 N1 C4 H8 121.732
H2 N1 C3 125.828 H2 N1 C4 125.828
C3 N1 C4 108.345 C3 C5 C6 107.718
C3 C5 H9 123.244 C4 C6 C5 107.718
C4 C6 H10 123.244 C5 C3 H7 130.159
C5 C6 H10 129.038 C6 C4 H8 130.159
C6 C5 H9 129.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PM6 Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.168      
2 H 0.253      
3 C -0.151      
4 C -0.151      
5 C -0.207      
6 C -0.207      
7 H 0.160      
8 H 0.160      
9 H 0.155      
10 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.171 2.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.237 0.000 0.000
y 0.000 7.121 0.000
z 0.000 0.000 7.291


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000