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

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-208.038989
Energy at 298.15K-208.043451
HF Energy-207.889858
Nuclear repulsion energy149.274734
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 B2PLYP/3-21G
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 3314 3314 0.25      
2 A1 3280 3280 4.03      
3 A1 1541 1541 0.59      
4 A1 1373 1373 4.13      
5 A1 1200 1200 0.00      
6 A1 1088 1088 20.20      
7 A1 1023 1023 20.70      
8 A1 898 898 11.88      
9 A2 923 923 0.00      
10 A2 823 823 0.00      
11 A2 511 511 0.00      
12 B1 844 844 0.55      
13 B1 731 731 88.32      
14 B1 559 559 23.27      
15 B2 3290 3290 3.85      
16 B2 3273 3273 7.09      
17 B2 1370 1370 30.62      
18 B2 1314 1314 1.11      
19 B2 999 999 18.74      
20 B2 921 921 0.18      
21 B2 525 525 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 14898.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14898.9 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 B2PLYP/3-21G
ABC
0.32441 0.28822 0.15262

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.262
C2 0.000 1.085 0.429
C3 0.000 -1.085 0.429
C4 0.000 0.684 -0.994
C5 0.000 -0.684 -0.994
H6 0.000 2.092 0.814
H7 0.000 -2.092 0.814
H8 0.000 1.350 -1.839
H9 0.000 -1.350 -1.839

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36791.36792.35682.35682.13892.13893.38213.3821
C21.36792.16981.47782.26961.07803.19992.28323.3276
C31.36792.16982.26961.47783.19991.07803.32762.2832
C42.35681.47782.26961.36762.29153.31241.07662.2028
C52.35682.26961.47781.36763.31242.29152.20281.0766
H62.13891.07803.19992.29153.31244.18322.75504.3460
H72.13893.19991.07803.31242.29154.18324.34602.7550
H83.38212.28323.32761.07662.20282.75504.34602.7007
H93.38213.32762.28322.20281.07664.34602.75502.7007

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 111.769 N1 C2 H6 121.517
N1 C3 C5 111.769 N1 C3 H7 121.517
C2 N1 C3 104.962 C2 C4 C5 105.750
C2 C4 H8 125.995 C3 C5 C4 105.750
C3 C5 H9 125.995 C4 C2 H6 126.714
C4 C5 H9 128.255 C5 C3 H7 126.714
C5 C4 H8 128.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.499      
2 C 0.060      
3 C 0.060      
4 C -0.237      
5 C -0.237      
6 H 0.223      
7 H 0.223      
8 H 0.204      
9 H 0.204      


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 -2.086 2.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.675 0.000 0.000
y 0.000 -22.997 0.000
z 0.000 0.000 -31.917
Traceless
 xyz
x -4.218 0.000 0.000
y 0.000 8.799 0.000
z 0.000 0.000 -4.581
Polar
3z2-r2-9.162
x2-y2-8.678
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.987 0.000 0.000
y 0.000 7.620 0.000
z 0.000 0.000 6.178


<r2> (average value of r2) Å2
<r2> 83.447
(<r2>)1/2 9.135