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

using model chemistry: B2PLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-209.136691
Energy at 298.15K-209.141208
HF Energy-208.986971
Nuclear repulsion energy149.374920
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/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3314 3314 0.94      
2 A1 3287 3287 4.45      
3 A1 1560 1560 0.22      
4 A1 1415 1415 9.19      
5 A1 1202 1202 0.89      
6 A1 1098 1098 32.11      
7 A1 1066 1066 9.48      
8 A1 897 897 11.27      
9 A2 893 893 0.00      
10 A2 812 812 0.00      
11 A2 499 499 0.00      
12 B1 827 827 0.67      
13 B1 721 721 78.27      
14 B1 552 552 23.15      
15 B2 3292 3292 12.27      
16 B2 3278 3278 3.60      
17 B2 1385 1385 31.25      
18 B2 1322 1322 0.15      
19 B2 1028 1028 19.26      
20 B2 963 963 0.49      
21 B2 645 645 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 15026.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15026.6 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/6-31G
ABC
0.32384 0.28979 0.15293

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.259
C2 0.000 1.085 0.426
C3 0.000 -1.085 0.426
C4 0.000 0.687 -0.990
C5 0.000 -0.687 -0.990
H6 0.000 2.090 0.822
H7 0.000 -2.090 0.822
H8 0.000 1.355 -1.838
H9 0.000 -1.355 -1.838

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36761.36762.35132.35132.13532.13533.38013.3801
C21.36762.16931.47082.26761.08063.19932.27973.3282
C31.36762.16932.26761.47083.19931.08063.32822.2797
C42.35131.47082.26761.37312.29193.31551.07962.2108
C52.35132.26761.47081.37313.31552.29192.21081.0796
H62.13531.08063.19932.29193.31554.18012.75924.3524
H72.13533.19931.08063.31552.29194.18014.35242.7592
H83.38012.27973.32821.07962.21082.75924.35242.7105
H93.38013.32822.27972.21081.07964.35242.75922.7105

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 111.819 N1 C2 H6 120.981
N1 C3 C5 111.819 N1 C3 H7 120.981
C2 N1 C3 104.954 C2 C4 C5 105.704
C2 C4 H8 126.026 C3 C5 C4 105.704
C3 C5 H9 126.026 C4 C2 H6 127.201
C4 C5 H9 128.270 C5 C3 H7 127.201
C5 C4 H8 128.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.402      
2 C 0.026      
3 C 0.026      
4 C -0.162      
5 C -0.162      
6 H 0.174      
7 H 0.174      
8 H 0.164      
9 H 0.164      


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 -2.363 2.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.182 0.000 0.000
y 0.000 -23.135 0.000
z 0.000 0.000 -32.625
Traceless
 xyz
x -3.302 0.000 0.000
y 0.000 8.768 0.000
z 0.000 0.000 -5.466
Polar
3z2-r2-10.933
x2-y2-8.047
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.377 0.000 0.000
y 0.000 7.942 0.000
z 0.000 0.000 6.653


<r2> (average value of r2) Å2
<r2> 83.421
(<r2>)1/2 9.134