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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-206.879316
Energy at 298.15K-206.883225
HF Energy-206.879316
Nuclear repulsion energy147.339174
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/STO-3G
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 3515 3137 8.79      
2 A1 3453 3081 0.59      
3 A1 1673 1493 2.64      
4 A1 1484 1325 5.39      
5 A1 1207 1077 0.84      
6 A1 1109 990 9.78      
7 A1 1089 972 0.91      
8 A1 888 793 5.48      
9 A2 951 849 0.00      
10 A2 807 720 0.00      
11 A2 509 454 0.00      
12 B1 810 723 7.74      
13 B1 714 637 23.18      
14 B1 531 474 11.67      
15 B2 3484 3109 17.61      
16 B2 3447 3076 3.50      
17 B2 1405 1254 45.99      
18 B2 1317 1175 1.38      
19 B2 999 892 21.52      
20 B2 952 849 0.00      
21 B2 344 307 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15342.8 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 13691.9 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 B3LYP/STO-3G
ABC
0.32120 0.27724 0.14880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.305
C2 0.000 1.088 0.424
C3 0.000 -1.088 0.424
C4 0.000 0.683 -1.008
C5 0.000 -0.683 -1.008
H6 0.000 2.124 0.803
H7 0.000 -2.124 0.803
H8 0.000 1.368 -1.863
H9 0.000 -1.368 -1.863

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.40081.40082.41252.41252.18212.18213.45113.4511
C21.40082.17681.48832.27781.10263.23432.30373.3558
C31.40082.17682.27781.48833.23431.10263.35582.3037
C42.41251.48832.27781.36592.31473.34051.09522.2216
C52.41252.27781.48831.36593.34052.31472.22161.0952
H62.18211.10263.23432.31473.34054.24712.77164.3931
H72.18213.23431.10263.34052.31474.24714.39312.7716
H83.45112.30373.35581.09522.22162.77164.39312.7354
H93.45113.35582.30372.22161.09524.39312.77162.7354

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 113.207 N1 C2 H6 120.835
N1 C3 C5 113.207 N1 C3 H7 120.835
C2 N1 C3 101.970 C2 C4 C5 105.808
C2 C4 H8 125.493 C3 C5 C4 105.808
C3 C5 H9 125.493 C4 C2 H6 125.958
C4 C5 H9 128.698 C5 C3 H7 125.958
C5 C4 H8 128.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.245      
2 C 0.034      
3 C 0.034      
4 C -0.095      
5 C -0.095      
6 H 0.094      
7 H 0.094      
8 H 0.089      
9 H 0.089      


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 -1.876 1.876
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.888 0.000 0.000
y 0.000 -22.618 0.000
z 0.000 0.000 -29.694
Traceless
 xyz
x -1.732 0.000 0.000
y 0.000 6.173 0.000
z 0.000 0.000 -4.441
Polar
3z2-r2-8.882
x2-y2-5.270
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.019 0.000 0.000
y 0.000 5.548 0.000
z 0.000 0.000 4.108


<r2> (average value of r2) Å2
<r2> 83.787
(<r2>)1/2 9.154