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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at G3B3
 hartrees
Energy at 0K-209.359443
Energy at 298.15K-209.354466
HF Energy-209.510717
Nuclear repulsion energy150.700540
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/6-31G*
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 3271 3141 2.91      
2 A1 3224 3096 4.02      
3 A1 1581 1518 0.68      
4 A1 1455 1398 23.92      
5 A1 1211 1162 2.69      
6 A1 1103 1059 36.70      
7 A1 1055 1013 0.39      
8 A1 881 846 11.77      
9 A2 902 867 0.00      
10 A2 821 788 0.00      
11 A2 494 474 0.00      
12 B1 833 800 1.22      
13 B1 715 687 48.20      
14 B1 546 524 20.46      
15 B2 3252 3123 8.64      
16 B2 3221 3093 23.52      
17 B2 1372 1318 45.35      
18 B2 1310 1258 0.00      
19 B2 1084 1041 8.56      
20 B2 944 907 0.03      
21 B2 666 640 3.85      

Unscaled Zero Point Vibrational Energy (zpe) 14969.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 14375.5 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/6-31G*
ABC
0.33282 0.29266 0.15573

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.251
C2 0.000 1.063 0.424
C3 0.000 -1.063 0.424
C4 0.000 0.682 -0.985
C5 0.000 -0.682 -0.985
H6 0.000 2.075 0.819
H7 0.000 -2.075 0.819
H8 0.000 1.357 -1.832
H9 0.000 -1.357 -1.832

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34681.34682.33822.33822.11932.11933.36803.3680
C21.34682.12601.46042.24291.08603.16252.27483.3079
C31.34682.12602.24291.46043.16251.08603.30792.2748
C42.33821.46042.24291.36302.27963.29431.08242.2067
C52.33822.24291.46041.36303.29432.27962.20671.0824
H62.11931.08603.16252.27963.29434.14952.74604.3357
H72.11933.16251.08603.29432.27964.14954.33572.7460
H83.36802.27483.30791.08242.20672.74604.33572.7130
H93.36803.30792.27482.20671.08244.33572.74602.7130

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 114.246 N1 C2 H6 119.429
N1 C3 C5 114.246 N1 C3 H7 119.429
C2 N1 C3 102.210 C2 C4 C5 104.649
C2 C4 H8 127.802 C3 C5 C4 104.649
C3 C5 H9 127.802 C4 C2 H6 126.325
C4 C5 H9 127.549 C5 C3 H7 126.325
C5 C4 H8 127.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.409      
2 C 0.057      
3 C 0.057      
4 C -0.151      
5 C -0.151      
6 H 0.153      
7 H 0.153      
8 H 0.145      
9 H 0.145      


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 -2.040 2.040
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 81.919
(<r2>)1/2 9.051