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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-209.563479
Energy at 298.15K-209.568014
HF Energy-209.563479
Nuclear repulsion energy150.936401
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 B3LYP/6-311G**
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 3246 3138 2.35      
2 A1 3197 3091 1.98      
3 A1 1561 1509 0.99      
4 A1 1434 1387 23.30      
5 A1 1204 1164 3.01      
6 A1 1091 1055 41.83      
7 A1 1043 1009 0.81      
8 A1 883 854 11.57      
9 A2 913 883 0.00      
10 A2 824 796 0.00      
11 A2 492 476 0.00      
12 B1 840 812 0.60      
13 B1 714 691 65.32      
14 B1 544 526 22.40      
15 B2 3226 3119 6.54      
16 B2 3193 3087 19.38      
17 B2 1356 1311 48.36      
18 B2 1292 1249 0.17      
19 B2 1075 1040 7.28      
20 B2 934 903 0.05      
21 B2 655 634 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 14859.7 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 14366.3 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 B3LYP/6-311G**
ABC
0.33348 0.29378 0.15619

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.247
C2 0.000 1.063 0.425
C3 0.000 -1.063 0.425
C4 0.000 0.680 -0.984
C5 0.000 -0.680 -0.984
H6 0.000 2.072 0.820
H7 0.000 -2.072 0.820
H8 0.000 1.352 -1.829
H9 0.000 -1.352 -1.829

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34371.34372.33222.33222.11572.11573.36013.3601
C21.34372.12601.46002.24111.08363.15992.27273.3033
C31.34372.12602.24111.46003.15991.08363.30332.2727
C42.33221.46002.24111.35982.27853.29041.07972.2003
C52.33222.24111.46001.35983.29042.27852.20031.0797
H62.11571.08363.15992.27853.29044.14432.74544.3289
H72.11573.15991.08363.29042.27854.14434.32892.7454
H83.36012.27273.30331.07972.20032.74544.32892.7031
H93.36013.30332.27272.20031.07974.32892.74542.7031

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 112.502 N1 C2 H6 120.919
N1 C3 C5 112.502 N1 C3 H7 120.919
C2 N1 C3 104.572 C2 C4 C5 105.212
C2 C4 H8 126.323 C3 C5 C4 105.212
C3 C5 H9 126.323 C4 C2 H6 126.579
C4 C5 H9 128.465 C5 C3 H7 126.579
C5 C4 H8 128.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.290      
2 C 0.067      
3 C 0.067      
4 C -0.142      
5 C -0.142      
6 H 0.115      
7 H 0.115      
8 H 0.105      
9 H 0.105      


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 -2.005 2.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.160 0.000 0.000
y 0.000 -23.317 0.000
z 0.000 0.000 -31.782
Traceless
 xyz
x -3.611 0.000 0.000
y 0.000 8.154 0.000
z 0.000 0.000 -4.544
Polar
3z2-r2-9.087
x2-y2-7.843
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.372 0.000 0.000
y 0.000 8.496 0.000
z 0.000 0.000 7.142


<r2> (average value of r2) Å2
<r2> 82.012
(<r2>)1/2 9.056