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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-209.435878
Energy at 298.15K-209.440430
HF Energy-209.435878
Nuclear repulsion energy 
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 wB97X-D/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 3303 3133 1.85      
2 A1 3259 3091 3.46      
3 A1 1607 1525 0.50      
4 A1 1484 1408 25.19      
5 A1 1226 1163 2.76      
6 A1 1111 1054 38.07      
7 A1 1062 1007 0.00      
8 A1 886 840 11.64      
9 A2 933 884 0.00      
10 A2 826 784 0.00      
11 A2 496 470 0.00      
12 B1 841 798 3.71      
13 B1 730 692 54.68      
14 B1 546 518 24.90      
15 B2 3283 3114 8.13      
16 B2 3255 3087 22.54      
17 B2 1383 1312 52.04      
18 B2 1313 1246 0.00      
19 B2 1102 1046 8.51      
20 B2 957 907 0.00      
21 B2 689 654 3.89      

Unscaled Zero Point Vibrational Energy (zpe) 15145.3 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 14365.3 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 wB97X-D/6-31G*
ABC
0.33489 0.29421 0.15662

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.262
C2 0.000 1.047 0.416
C3 0.000 -1.047 0.416
C4 0.000 0.682 -0.982
C5 0.000 -0.682 -0.982
H6 0.000 2.055 0.817
H7 0.000 -2.055 0.817
H8 0.000 1.342 -1.839
H9 0.000 -1.342 -1.839

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34611.34612.34502.34502.10262.10263.37873.3787
C21.34612.09341.44412.22281.08533.12762.27353.2846
C31.34612.09342.22281.44413.12761.08533.28462.2735
C42.34501.44412.22281.36422.26293.27531.08182.1983
C52.34502.22281.44411.36423.27532.26292.19831.0818
H62.10261.08533.12762.26293.27534.11002.74974.3122
H72.10263.12761.08533.27532.26294.11004.31222.7497
H83.37872.27353.28461.08182.19832.74974.31222.6847
H93.37873.28462.27352.19831.08184.31222.74972.6847

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 114.335 N1 C2 H6 119.328
N1 C3 C5 114.335 N1 C3 H7 119.328
C2 N1 C3 102.081 C2 C4 C5 104.624
C2 C4 H8 127.762 C3 C5 C4 104.624
C3 C5 H9 127.762 C4 C2 H6 126.336
C4 C5 H9 127.613 C5 C3 H7 126.336
C5 C4 H8 127.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.418      
2 C 0.032      
3 C 0.032      
4 C -0.195      
5 C -0.195      
6 H 0.188      
7 H 0.188      
8 H 0.184      
9 H 0.184      


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 -2.099 2.099
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.613 0.000 0.000
y 0.000 -22.606 0.000
z 0.000 0.000 -31.115
Traceless
 xyz
x -3.752 0.000 0.000
y 0.000 8.258 0.000
z 0.000 0.000 -4.506
Polar
3z2-r2-9.012
x2-y2-8.007
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.644 0.000 0.000
y 0.000 8.112 0.000
z 0.000 0.000 6.695


<r2> (average value of r2) Å2
<r2> 81.456
(<r2>)1/2 9.025