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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-208.873350
Energy at 298.15K 
HF Energy-208.873350
Nuclear repulsion energy159.238868
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 B97D3/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3559 3559 50.20      
2 A1 3255 3255 0.36      
3 A1 3228 3228 6.12      
4 A1 1448 1448 2.74      
5 A1 1372 1372 6.43      
6 A1 1142 1142 0.82      
7 A1 1086 1086 4.67      
8 A1 1011 1011 29.00      
9 A1 912 912 0.47      
10 A2 865 865 0.00      
11 A2 670 670 0.00      
12 A2 625 625 0.00      
13 B1 820 820 5.29      
14 B1 713 713 144.05      
15 B1 631 631 0.04      
16 B1 549 549 118.51      
17 B2 3243 3243 7.96      
18 B2 3218 3218 2.20      
19 B2 1535 1535 9.77      
20 B2 1399 1399 8.53      
21 B2 1295 1295 0.01      
22 B2 1150 1150 0.73      
23 B2 1043 1043 27.07      
24 B2 901 901 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 17833.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17833.9 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 B97D3/3-21G*
ABC
0.29811 0.29528 0.14834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.136
H2 0.000 0.000 2.150
C3 0.000 1.141 0.333
C4 0.000 -1.141 0.333
C5 0.000 0.719 -0.991
C6 0.000 -0.719 -0.991
H7 0.000 2.134 0.758
H8 0.000 -2.134 0.758
H9 0.000 1.361 -1.861
H10 0.000 -1.361 -1.861

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01391.39561.39562.24512.24512.16712.16713.29173.2917
H21.01392.14602.14603.22203.22202.54772.54774.23584.2358
C31.39562.14602.28201.38912.28241.08043.30252.20473.3273
C41.39562.14602.28202.28241.38913.30251.08043.32732.2047
C52.24513.22201.38912.28241.43722.25003.34611.08162.2542
C62.24513.22202.28241.38911.43723.34612.25002.25421.0816
H72.16712.54771.08043.30252.25003.34614.26792.73114.3674
H82.16712.54773.30251.08043.34612.25004.26794.36742.7311
H93.29174.23582.20473.32731.08162.25422.73114.36742.7216
H103.29174.23583.32732.20472.25421.08164.36742.73112.7216

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.456 N1 C3 H7 121.637
N1 C4 C6 107.456 N1 C4 H8 121.637
H2 N1 C3 125.157 H2 N1 C4 125.157
C3 N1 C4 109.685 C3 C5 C6 107.702
C3 C5 H9 125.876 C4 C6 C5 107.702
C4 C6 H10 125.876 C5 C3 H7 130.908
C5 C6 H10 126.422 C6 C4 H8 130.908
C6 C5 H9 126.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.682      
2 H 0.323      
3 C 0.052      
4 C 0.052      
5 C -0.253      
6 C -0.253      
7 H 0.204      
8 H 0.204      
9 H 0.177      
10 H 0.177      


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 1.976 1.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.761 0.000 0.000
y 0.000 -25.990 0.000
z 0.000 0.000 -22.868
Traceless
 xyz
x -9.333 0.000 0.000
y 0.000 2.325 0.000
z 0.000 0.000 7.008
Polar
3z2-r214.016
x2-y2-7.772
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.903 0.000 0.000
y 0.000 7.500 0.000
z 0.000 0.000 7.325


<r2> (average value of r2) Å2
<r2> 86.674
(<r2>)1/2 9.310