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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at G4
 hartrees
Energy at 0K-209.394166
Energy at 298.15K-209.389267
HF Energy-209.523726
Nuclear repulsion energy150.954907
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(2df,p)
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 3259 3145 2.41      
2 A1 3204 3092 2.24      
3 A1 1565 1510 0.56      
4 A1 1437 1387 22.67      
5 A1 1207 1164 1.99      
6 A1 1096 1058 36.66      
7 A1 1049 1012 0.82      
8 A1 880 849 13.20      
9 A2 903 871 0.00      
10 A2 829 800 0.00      
11 A2 495 477 0.00      
12 B1 841 811 1.06      
13 B1 723 697 44.27      
14 B1 546 527 18.20      
15 B2 3238 3125 5.76      
16 B2 3200 3088 20.78      
17 B2 1357 1309 44.92      
18 B2 1293 1248 0.04      
19 B2 1078 1040 6.91      
20 B2 937 904 0.01      
21 B2 663 640 4.10      

Unscaled Zero Point Vibrational Energy (zpe) 14898.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14377.2 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(2df,p)
ABC
0.33362 0.29389 0.15625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

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 0.680 -0.984
C5 0.000 -0.680 -0.984
H6 0.000 2.073 0.817
H7 0.000 -2.073 0.817
H8 0.000 1.354 -1.828
H9 0.000 -1.354 -1.828

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34401.34402.33272.33272.11732.11733.36023.3602
C21.34402.12431.45882.23991.08463.15972.27073.3028
C31.34402.12432.23991.45883.15971.08463.30282.2707
C42.33271.45882.23991.36002.27683.28971.08002.2020
C52.33272.23991.45881.36003.28972.27682.20201.0800
H62.11731.08463.15972.27683.28974.14612.74094.3289
H72.11733.15971.08463.28972.27684.14614.32892.7409
H83.36022.27073.30281.08002.20202.74094.32892.7078
H93.36023.30282.27072.20201.08004.32892.74092.7078

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 114.130 N1 C2 H6 119.524
N1 C3 C5 114.130 N1 C3 H7 119.524
C2 N1 C3 102.357 C2 C4 C5 104.691
C2 C4 H8 127.792 C3 C5 C4 104.691
C3 C5 H9 127.792 C4 C2 H6 126.346
C4 C5 H9 127.516 C5 C3 H7 126.346
C5 C4 H8 127.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.230      
2 C 0.001      
3 C 0.001      
4 C -0.124      
5 C -0.124      
6 H 0.123      
7 H 0.123      
8 H 0.114      
9 H 0.114      


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 -1.965 1.965
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> 81.646
(<r2>)1/2 9.036