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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-209.433852
Energy at 298.15K-209.438411
HF Energy-209.433852
Nuclear repulsion energy151.228493
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 B1B95/cc-pVDZ
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 3290 3162 1.16      
2 A1 3230 3104 1.90      
3 A1 1598 1536 0.66      
4 A1 1480 1423 27.36      
5 A1 1221 1173 1.64      
6 A1 1101 1058 35.03      
7 A1 1049 1008 2.68      
8 A1 872 838 11.99      
9 A2 919 884 0.00      
10 A2 834 802 0.00      
11 A2 489 470 0.00      
12 B1 849 816 0.64      
13 B1 716 688 51.05      
14 B1 539 518 19.57      
15 B2 3268 3141 4.19      
16 B2 3226 3101 18.78      
17 B2 1365 1312 51.18      
18 B2 1283 1233 0.00      
19 B2 1105 1062 5.43      
20 B2 945 909 0.20      
21 B2 685 658 3.73      

Unscaled Zero Point Vibrational Energy (zpe) 15031.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14448.3 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 B1B95/cc-pVDZ
ABC
0.33573 0.29456 0.15690

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.247
C2 0.000 1.056 0.423
C3 0.000 -1.056 0.423
C4 0.000 0.680 -0.982
C5 0.000 -0.680 -0.982
H6 0.000 2.072 0.819
H7 0.000 -2.072 0.819
H8 0.000 1.357 -1.830
H9 0.000 -1.357 -1.830

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33961.33962.32992.32992.11562.11563.36323.3632
C21.33962.11201.45382.23261.09033.15282.27323.3012
C31.33962.11202.23261.45383.15281.09033.30122.2732
C42.32991.45382.23261.35942.27573.28811.08582.2062
C52.32992.23261.45381.35943.28812.27572.20621.0858
H62.11561.09033.15282.27573.28814.14362.74414.3327
H72.11563.15281.09033.28812.27574.14364.33272.7441
H83.36322.27323.30121.08582.20622.74414.33272.7132
H93.36323.30122.27322.20621.08584.33272.74412.7132

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 112.973 N1 C2 H6 120.729
N1 C3 C5 112.973 N1 C3 H7 120.729
C2 N1 C3 104.053 C2 C4 C5 105.001
C2 C4 H8 126.432 C3 C5 C4 105.001
C3 C5 H9 126.432 C4 C2 H6 126.298
C4 C5 H9 128.567 C5 C3 H7 126.298
C5 C4 H8 128.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.228      
2 C 0.125      
3 C 0.125      
4 C -0.028      
5 C -0.028      
6 H 0.018      
7 H 0.018      
8 H -0.001      
9 H -0.001      


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 -1.865 1.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.734 0.000 0.000
y 0.000 -23.208 0.000
z 0.000 0.000 -31.104
Traceless
 xyz
x -3.578 0.000 0.000
y 0.000 7.711 0.000
z 0.000 0.000 -4.133
Polar
3z2-r2-8.267
x2-y2-7.526
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.006 0.000 0.000
y 0.000 8.403 0.000
z 0.000 0.000 6.960


<r2> (average value of r2) Å2
<r2> 81.530
(<r2>)1/2 9.029