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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-209.472577
Energy at 298.15K-209.477107
HF Energy-209.472577
Nuclear repulsion energy151.182232
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 B3PW91/6-311G*
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 3257 3135 3.52      
2 A1 3211 3091 2.78      
3 A1 1576 1517 0.96      
4 A1 1455 1401 25.54      
5 A1 1214 1169 3.16      
6 A1 1098 1058 42.56      
7 A1 1053 1014 0.00      
8 A1 881 849 11.38      
9 A2 902 868 0.00      
10 A2 820 789 0.00      
11 A2 490 472 0.00      
12 B1 833 802 0.51      
13 B1 710 683 71.98      
14 B1 542 522 23.59      
15 B2 3236 3115 11.25      
16 B2 3206 3087 23.94      
17 B2 1364 1314 52.59      
18 B2 1296 1248 0.03      
19 B2 1090 1049 6.50      
20 B2 943 908 0.08      
21 B2 682 656 4.31      

Unscaled Zero Point Vibrational Energy (zpe) 14930.2 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 14373.3 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 B3PW91/6-311G*
ABC
0.33504 0.29453 0.15674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.246
C2 0.000 1.059 0.424
C3 0.000 -1.059 0.424
C4 0.000 0.679 -0.982
C5 0.000 -0.679 -0.982
H6 0.000 2.069 0.821
H7 0.000 -2.069 0.821
H8 0.000 1.352 -1.830
H9 0.000 -1.352 -1.830

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34071.34072.32912.32912.11212.11213.35913.3591
C21.34072.11861.45652.23601.08523.15352.27233.3000
C31.34072.11862.23601.45653.15351.08523.30002.2723
C42.32911.45652.23601.35862.27693.28731.08172.2005
C52.32912.23601.45651.35863.28732.27692.20051.0817
H62.11211.08523.15352.27693.28734.13812.74634.3276
H72.11213.15351.08523.28732.27694.13814.32762.7463
H83.35912.27233.30001.08172.20052.74634.32762.7030
H93.35913.30002.27232.20051.08174.32762.74632.7030

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 112.681 N1 C2 H6 120.708
N1 C3 C5 112.681 N1 C3 H7 120.708
C2 N1 C3 104.391 C2 C4 C5 105.124
C2 C4 H8 126.453 C3 C5 C4 105.124
C3 C5 H9 126.453 C4 C2 H6 126.611
C4 C5 H9 128.423 C5 C3 H7 126.611
C5 C4 H8 128.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.306      
2 C -0.024      
3 C -0.024      
4 C -0.254      
5 C -0.254      
6 H 0.219      
7 H 0.219      
8 H 0.213      
9 H 0.213      


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 -2.039 2.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.215 0.000 0.000
y 0.000 -22.912 0.000
z 0.000 0.000 -31.389
Traceless
 xyz
x -4.064 0.000 0.000
y 0.000 8.390 0.000
z 0.000 0.000 -4.326
Polar
3z2-r2-8.651
x2-y2-8.303
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.306 0.000 0.000
y 0.000 8.389 0.000
z 0.000 0.000 7.077


<r2> (average value of r2) Å2
<r2> 81.659
(<r2>)1/2 9.037