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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-209.324837
Energy at 298.15K-209.329237
HF Energy-209.324837
Nuclear repulsion energy150.428120
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 PBEPBE/Def2TZVPP
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 3183 3144 2.12      
2 A1 3131 3093 1.44      
3 A1 1517 1498 1.02      
4 A1 1394 1377 22.32      
5 A1 1174 1160 2.01      
6 A1 1061 1048 40.29      
7 A1 1021 1009 0.00      
8 A1 851 840 11.40      
9 A2 877 867 0.00      
10 A2 783 774 0.00      
11 A2 456 450 0.00      
12 B1 814 805 0.32      
13 B1 686 677 61.27      
14 B1 517 511 20.56      
15 B2 3163 3125 5.57      
16 B2 3127 3089 18.04      
17 B2 1315 1300 44.09      
18 B2 1250 1235 0.00      
19 B2 1062 1049 6.52      
20 B2 909 898 0.17      
21 B2 658 650 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 14474.1 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 14299.0 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 PBEPBE/Def2TZVPP
ABC
0.33124 0.29208 0.15521

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.263
C2 0.000 1.056 0.416
C3 0.000 -1.056 0.416
C4 0.000 0.688 -0.982
C5 0.000 -0.688 -0.982
H6 0.000 2.069 0.819
H7 0.000 -2.069 0.819
H8 0.000 1.349 -1.844
H9 0.000 -1.349 -1.844

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.35351.35352.34792.34792.11592.11593.38763.3876
C21.35352.11121.44492.23491.09053.15032.27923.3001
C31.35352.11122.23491.44493.15031.09053.30012.2792
C42.34791.44492.23491.37692.26903.29331.08652.2125
C52.34792.23491.44491.37693.29332.26902.21251.0865
H62.11591.09053.15032.26903.29334.13762.75924.3331
H72.11593.15031.09053.29332.26904.13764.33312.7592
H83.38762.27923.30011.08652.21252.75924.33312.6978
H93.38763.30012.27922.21251.08654.33312.75922.6978

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 114.028 N1 C2 H6 119.544
N1 C3 C5 114.028 N1 C3 H7 119.544
C2 N1 C3 102.504 C2 C4 C5 104.720
C2 C4 H8 127.846 C3 C5 C4 104.720
C3 C5 H9 127.846 C4 C2 H6 126.428
C4 C5 H9 127.434 C5 C3 H7 126.428
C5 C4 H8 127.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.216      
2 C -0.007      
3 C -0.007      
4 C -0.134      
5 C -0.134      
6 H 0.121      
7 H 0.121      
8 H 0.127      
9 H 0.127      


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 -1.990 1.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.346 0.000 0.000
y 0.000 -23.580 0.000
z 0.000 0.000 -31.927
Traceless
 xyz
x -3.593 0.000 0.000
y 0.000 8.056 0.000
z 0.000 0.000 -4.464
Polar
3z2-r2-8.927
x2-y2-7.766
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.576 0.000 0.000
y 0.000 9.107 0.000
z 0.000 0.000 8.112


<r2> (average value of r2) Å2
<r2> 82.561
(<r2>)1/2 9.086