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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-34.845536
Energy at 298.15K-34.850018
HF Energy-34.845536
Nuclear repulsion energy75.974896
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/CEP-121G*
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 3232 3133 5.57      
2 A1 3186 3089 3.81      
3 A1 1540 1493 2.71      
4 A1 1422 1379 23.59      
5 A1 1186 1150 3.93      
6 A1 1078 1045 41.73      
7 A1 1026 995 1.18      
8 A1 865 839 10.93      
9 A2 900 872 0.00      
10 A2 820 794 0.00      
11 A2 488 473 0.00      
12 B1 823 798 0.87      
13 B1 713 692 76.00      
14 B1 538 522 19.37      
15 B2 3213 3114 13.41      
16 B2 3183 3085 29.56      
17 B2 1343 1302 49.43      
18 B2 1284 1245 0.03      
19 B2 1061 1028 6.19      
20 B2 920 892 0.02      
21 B2 662 642 6.80      

Unscaled Zero Point Vibrational Energy (zpe) 14741.6 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 14290.5 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/CEP-121G*
ABC
0.32831 0.28840 0.15353

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.259
C2 0.000 1.072 0.429
C3 0.000 -1.072 0.429
C4 0.000 0.686 -0.994
C5 0.000 -0.686 -0.994
H6 0.000 2.086 0.826
H7 0.000 -2.086 0.826
H8 0.000 1.361 -1.843
H9 0.000 -1.361 -1.843

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.35551.35552.35442.35442.13002.13003.38723.3872
C21.35552.14321.47372.26071.08913.18212.28993.3285
C31.35552.14322.26071.47373.18211.08913.32852.2899
C42.35441.47372.26071.37132.29603.31541.08522.2161
C52.35442.26071.47371.37133.31542.29602.21611.0852
H62.13001.08913.18212.29603.31544.17122.76564.3595
H72.13003.18211.08913.31542.29604.17124.35952.7656
H83.38722.28993.32851.08522.21612.76564.35952.7227
H93.38723.32852.28992.21611.08524.35952.76562.7227

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 112.579 N1 C2 H6 120.831
N1 C3 C5 112.579 N1 C3 H7 120.831
C2 N1 C3 104.478 C2 C4 C5 105.182
C2 C4 H8 126.309 C3 C5 C4 105.182
C3 C5 H9 126.309 C4 C2 H6 126.590
C4 C5 H9 128.509 C5 C3 H7 126.590
C5 C4 H8 128.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.005      
2 C -0.269      
3 C -0.269      
4 C -0.142      
5 C -0.142      
6 H 0.188      
7 H 0.188      
8 H 0.221      
9 H 0.221      


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 -2.083 2.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.392 0.000 0.000
y 0.000 -23.027 0.000
z 0.000 0.000 -31.750
Traceless
 xyz
x -4.004 0.000 0.000
y 0.000 8.544 0.000
z 0.000 0.000 -4.540
Polar
3z2-r2-9.081
x2-y2-8.365
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.732 0.000 0.000
y 0.000 8.906 0.000
z 0.000 0.000 7.466


<r2> (average value of r2) Å2
<r2> 68.741
(<r2>)1/2 8.291