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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-209.556328
Energy at 298.15K-209.560841
HF Energy-209.556328
Nuclear repulsion energy150.928140
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 3136 4.36      
2 A1 3202 3094 3.33      
3 A1 1566 1513 1.11      
4 A1 1440 1391 23.99      
5 A1 1207 1166 3.09      
6 A1 1094 1057 41.79      
7 A1 1046 1010 0.83      
8 A1 884 855 11.66      
9 A2 898 868 0.00      
10 A2 817 790 0.00      
11 A2 492 475 0.00      
12 B1 830 802 0.45      
13 B1 708 684 68.87      
14 B1 545 527 22.75      
15 B2 3226 3117 12.53      
16 B2 3198 3090 24.25      
17 B2 1362 1316 49.22      
18 B2 1299 1255 0.14      
19 B2 1078 1041 7.64      
20 B2 937 905 0.05      
21 B2 658 636 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 14866.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 14365.2 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
0.33362 0.29365 0.15618

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 0.822
H7 0.000 -2.072 0.822
H8 0.000 1.352 -1.831
H9 0.000 -1.352 -1.831

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34361.34362.33252.33252.11472.11473.36173.3617
C21.34362.12521.45992.24091.08433.15922.27423.3041
C31.34362.12522.24091.45993.15921.08433.30412.2742
C42.33251.45992.24091.36002.28003.29131.08092.2012
C52.33252.24091.45991.36003.29132.28002.20121.0809
H62.11471.08433.15922.28003.29134.14312.74884.3309
H72.11473.15921.08433.29132.28004.14314.33092.7488
H83.36172.27423.30411.08092.20122.74884.33092.7036
H93.36173.30412.27422.20121.08094.33092.74882.7036

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 112.542 N1 C2 H6 120.779
N1 C3 C5 112.542 N1 C3 H7 120.779
C2 N1 C3 104.531 C2 C4 C5 105.193
C2 C4 H8 126.381 C3 C5 C4 105.193
C3 C5 H9 126.381 C4 C2 H6 126.680
C4 C5 H9 128.426 C5 C3 H7 126.680
C5 C4 H8 128.426
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 -0.280      
2 C -0.037      
3 C -0.037      
4 C -0.237      
5 C -0.237      
6 H 0.210      
7 H 0.210      
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 -2.019 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.313 0.000 0.000
y 0.000 -23.252 0.000
z 0.000 0.000 -31.692
Traceless
 xyz
x -3.841 0.000 0.000
y 0.000 8.251 0.000
z 0.000 0.000 -4.410
Polar
3z2-r2-8.819
x2-y2-8.061
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.295 0.000 0.000
y 0.000 8.435 0.000
z 0.000 0.000 7.102


<r2> (average value of r2) Å2
<r2> 82.022
(<r2>)1/2 9.057