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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-209.527478
Energy at 298.15K-209.532000
HF Energy-209.527478
Nuclear repulsion energy150.600543
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/6-31+G**
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 3266 3149 1.70      
2 A1 3222 3107 1.21      
3 A1 1566 1510 2.63      
4 A1 1445 1393 25.96      
5 A1 1204 1161 4.11      
6 A1 1095 1056 42.53      
7 A1 1049 1011 0.54      
8 A1 879 848 8.87      
9 A2 906 874 0.00      
10 A2 823 793 0.00      
11 A2 489 472 0.00      
12 B1 839 809 0.40      
13 B1 710 685 75.71      
14 B1 541 521 20.76      
15 B2 3247 3130 6.20      
16 B2 3218 3103 16.10      
17 B2 1363 1314 48.59      
18 B2 1301 1254 0.04      
19 B2 1086 1047 6.18      
20 B2 940 906 0.00      
21 B2 672 648 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 14929.0 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 14394.6 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 B3LYP/6-31+G**
ABC
0.33149 0.29294 0.15551

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.249
C2 0.000 1.066 0.425
C3 0.000 -1.066 0.425
C4 0.000 0.683 -0.985
C5 0.000 -0.683 -0.985
H6 0.000 2.076 0.821
H7 0.000 -2.076 0.821
H8 0.000 1.357 -1.831
H9 0.000 -1.357 -1.831

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34771.34772.33662.33662.12022.12023.36643.3664
C21.34772.13201.46132.24631.08513.16722.27503.3106
C31.34772.13202.24631.46133.16721.08513.31062.2750
C42.33661.46132.24631.36512.28113.29741.08192.2078
C52.33662.24631.46131.36513.29742.28112.20781.0819
H62.12021.08513.16722.28113.29744.15282.74804.3381
H72.12023.16721.08513.29742.28114.15284.33812.7480
H83.36642.27503.31061.08192.20782.74804.33812.7132
H93.36643.31062.27502.20781.08194.33812.74802.7132

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 112.509 N1 C2 H6 120.893
N1 C3 C5 112.509 N1 C3 H7 120.893
C2 N1 C3 104.558 C2 C4 C5 105.213
C2 C4 H8 126.250 C3 C5 C4 105.213
C3 C5 H9 126.250 C4 C2 H6 126.598
C4 C5 H9 128.538 C5 C3 H7 126.598
C5 C4 H8 128.538
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.231      
2 C -0.108      
3 C -0.108      
4 C -0.054      
5 C -0.054      
6 H 0.139      
7 H 0.139      
8 H 0.139      
9 H 0.139      


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 -2.201 2.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.764 0.000 0.000
y 0.000 -23.458 0.000
z 0.000 0.000 -32.639
Traceless
 xyz
x -3.716 0.000 0.000
y 0.000 8.743 0.000
z 0.000 0.000 -5.028
Polar
3z2-r2-10.055
x2-y2-8.306
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.682 0.000 0.000
y 0.000 9.000 0.000
z 0.000 0.000 8.029


<r2> (average value of r2) Å2
<r2> 82.620
(<r2>)1/2 9.090