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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYPultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-210.184228
Energy at 298.15K 
HF Energy-210.184228
Nuclear repulsion energy161.075335
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 B3LYPultrafine/6-31G(2df,p)
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 3689 3560 57.43      
2 A1 3274 3159 0.28      
3 A1 3252 3138 4.47      
4 A1 1507 1454 7.64      
5 A1 1419 1370 4.35      
6 A1 1175 1134 2.43      
7 A1 1100 1062 7.14      
8 A1 1039 1003 25.46      
9 A1 899 867 0.10      
10 A2 864 834 0.00      
11 A2 685 661 0.00      
12 A2 629 607 0.00      
13 B1 815 787 6.22      
14 B1 741 715 102.10      
15 B1 642 620 1.26      
16 B1 479 462 66.23      
17 B2 3267 3153 5.68      
18 B2 3241 3127 2.59      
19 B2 1582 1527 4.70      
20 B2 1457 1406 6.63      
21 B2 1310 1265 1.75      
22 B2 1166 1126 1.91      
23 B2 1074 1037 21.63      
24 B2 876 845 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 18090.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17457.7 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 B3LYPultrafine/6-31G(2df,p)
ABC
0.30590 0.30168 0.15189

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

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 2.124
C3 0.000 1.123 0.331
C4 0.000 -1.123 0.331
C5 0.000 0.712 -0.981
C6 0.000 -0.712 -0.981
H7 0.000 2.108 0.768
H8 0.000 -2.108 0.768
H9 0.000 1.359 -1.845
H10 0.000 -1.359 -1.845

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00441.37211.37212.21782.21782.13742.13743.26083.2608
H21.00442.11542.11543.18553.18552.50642.50644.19484.1948
C31.37212.11542.24611.37532.25581.07813.26102.18873.3006
C41.37212.11542.24612.25581.37533.26101.07813.30062.1887
C52.21783.18551.37532.25581.42342.23893.31891.07922.2433
C62.21783.18552.25581.37531.42343.31892.23892.24331.0792
H72.13742.50641.07813.26102.23893.31894.21692.71894.3418
H82.13742.50643.26101.07813.31892.23894.21694.34182.7189
H93.26084.19482.18873.30061.07922.24332.71894.34182.7174
H103.26084.19483.30062.18872.24331.07924.34182.71892.7174

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.659 N1 C3 H7 120.993
N1 C4 C6 107.659 N1 C4 H8 120.993
H2 N1 C3 125.064 H2 N1 C4 125.064
C3 N1 C4 109.871 C3 C5 C6 107.406
C3 C5 H9 125.757 C4 C6 C5 107.406
C4 C6 H10 125.757 C5 C3 H7 131.349
C5 C6 H10 126.837 C6 C4 H8 131.349
C6 C5 H9 126.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.214      
2 H 0.260      
3 C -0.089      
4 C -0.089      
5 C -0.137      
6 C -0.137      
7 H 0.113      
8 H 0.113      
9 H 0.090      
10 H 0.090      


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 1.869 1.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.570 0.000 0.000
y 0.000 -26.550 0.000
z 0.000 0.000 -23.414
Traceless
 xyz
x -7.589 0.000 0.000
y 0.000 1.442 0.000
z 0.000 0.000 6.146
Polar
3z2-r212.293
x2-y2-6.021
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.248 0.000 0.000
y 0.000 8.040 0.000
z 0.000 0.000 7.890


<r2> (average value of r2) Å2
<r2> 85.118
(<r2>)1/2 9.226