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

using model chemistry: B2PLYP/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 B2PLYP/6-311G*
 hartrees
Energy at 0K-209.332025
Energy at 298.15K-209.336574
HF Energy-209.107488
Nuclear repulsion energy150.897133
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 B2PLYP/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 3274 3274 3.11      
2 A1 3234 3234 2.46      
3 A1 1569 1569 1.09      
4 A1 1451 1451 23.33      
5 A1 1215 1215 3.90      
6 A1 1101 1101 41.69      
7 A1 1059 1059 0.21      
8 A1 886 886 11.34      
9 A2 875 875 0.00      
10 A2 823 823 0.00      
11 A2 493 493 0.00      
12 B1 829 829 0.10      
13 B1 708 708 72.52      
14 B1 546 546 23.56      
15 B2 3254 3254 10.36      
16 B2 3229 3229 19.36      
17 B2 1378 1378 39.41      
18 B2 1307 1307 0.07      
19 B2 1083 1083 14.21      
20 B2 959 959 0.62      
21 B2 717 717 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 14993.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14993.9 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 B2PLYP/6-311G*
ABC
0.33351 0.29349 0.15611

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.248
C2 0.000 1.062 0.424
C3 0.000 -1.062 0.424
C4 0.000 0.682 -0.984
C5 0.000 -0.682 -0.984
H6 0.000 2.070 0.821
H7 0.000 -2.070 0.821
H8 0.000 1.353 -1.830
H9 0.000 -1.353 -1.830

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34441.34442.33442.33442.11352.11353.36283.3628
C21.34442.12411.45882.24141.08313.15682.27303.3037
C31.34442.12412.24141.45883.15681.08313.30372.2730
C42.33441.45882.24141.36342.27713.29071.08002.2035
C52.33442.24141.45881.36343.29072.27712.20351.0800
H62.11351.08313.15682.27713.29074.13962.74634.3294
H72.11353.15681.08313.29072.27714.13964.32942.7463
H83.36282.27303.30371.08002.20352.74634.32942.7059
H93.36283.30372.27302.20351.08004.32942.74632.7059

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 112.704 N1 C2 H6 120.691
N1 C3 C5 112.704 N1 C3 H7 120.691
C2 N1 C3 104.364 C2 C4 C5 105.114
C2 C4 H8 126.458 C3 C5 C4 105.114
C3 C5 H9 126.458 C4 C2 H6 126.605
C4 C5 H9 128.429 C5 C3 H7 126.605
C5 C4 H8 128.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.289      
2 C -0.038      
3 C -0.038      
4 C -0.248      
5 C -0.248      
6 H 0.218      
7 H 0.218      
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 -2.047 2.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.476 0.000 0.000
y 0.000 -23.248 0.000
z 0.000 0.000 -31.793
Traceless
 xyz
x -3.956 0.000 0.000
y 0.000 8.386 0.000
z 0.000 0.000 -4.431
Polar
3z2-r2-8.861
x2-y2-8.228
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.263 0.000 0.000
y 0.000 8.246 0.000
z 0.000 0.000 7.047


<r2> (average value of r2) Å2
<r2> 82.092
(<r2>)1/2 9.060