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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-209.436941
Energy at 298.15K-209.441477
HF Energy-209.436941
Nuclear repulsion energy150.968344
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 B3PW91/6-31G**
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 3279 3143 1.74      
2 A1 3226 3092 3.10      
3 A1 1587 1521 0.40      
4 A1 1466 1405 24.64      
5 A1 1215 1164 2.73      
6 A1 1104 1058 37.76      
7 A1 1058 1014 0.00      
8 A1 878 842 11.54      
9 A2 909 871 0.00      
10 A2 824 790 0.00      
11 A2 491 471 0.00      
12 B1 838 803 0.96      
13 B1 716 686 53.86      
14 B1 541 519 21.97      
15 B2 3259 3123 5.52      
16 B2 3222 3088 21.73      
17 B2 1369 1312 49.37      
18 B2 1302 1248 0.01      
19 B2 1095 1050 7.15      
20 B2 948 908 0.01      
21 B2 684 656 4.68      

Unscaled Zero Point Vibrational Energy (zpe) 15004.6 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 14380.4 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 B3PW91/6-31G**
ABC
0.33421 0.29360 0.15630

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.249
C2 0.000 1.060 0.424
C3 0.000 -1.060 0.424
C4 0.000 0.681 -0.984
C5 0.000 -0.681 -0.984
H6 0.000 2.072 0.817
H7 0.000 -2.072 0.817
H8 0.000 1.355 -1.830
H9 0.000 -1.355 -1.830

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34381.34382.33442.33442.11712.11713.36413.3641
C21.34382.12011.45752.23821.08603.15702.27253.3030
C31.34382.12012.23821.45753.15701.08603.30302.2725
C42.33441.45752.23821.36102.27563.28931.08202.2043
C52.33442.23821.45751.36103.28932.27562.20431.0820
H62.11711.08603.15702.27563.28934.14482.74194.3302
H72.11713.15701.08603.28932.27564.14484.33022.7419
H83.36412.27253.30301.08202.20432.74194.33022.7099
H93.36413.30302.27252.20431.08204.33022.74192.7099

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 112.827 N1 C2 H6 120.856
N1 C3 C5 112.827 N1 C3 H7 120.856
C2 N1 C3 104.157 C2 C4 C5 105.094
C2 C4 H8 126.346 C3 C5 C4 105.094
C3 C5 H9 126.346 C4 C2 H6 126.316
C4 C5 H9 128.559 C5 C3 H7 126.316
C5 C4 H8 128.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.437      
2 C 0.090      
3 C 0.090      
4 C -0.146      
5 C -0.146      
6 H 0.140      
7 H 0.140      
8 H 0.135      
9 H 0.135      


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 -2.059 2.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.538 0.000 0.000
y 0.000 -22.782 0.000
z 0.000 0.000 -31.067
Traceless
 xyz
x -3.613 0.000 0.000
y 0.000 8.021 0.000
z 0.000 0.000 -4.407
Polar
3z2-r2-8.815
x2-y2-7.756
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.701 0.000 0.000
y 0.000 8.192 0.000
z 0.000 0.000 6.835


<r2> (average value of r2) Å2
<r2> 81.592
(<r2>)1/2 9.033