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

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-208.333287
Energy at 298.15K-208.337664
HF Energy-208.333287
Nuclear repulsion energy151.040721
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 LSDA/6-31+G**
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 3201 3153 0.17      
2 A1 3145 3098 0.12      
3 A1 1545 1522 0.67      
4 A1 1433 1411 31.47      
5 A1 1196 1178 2.35      
6 A1 1077 1061 39.59      
7 A1 1028 1013 5.50      
8 A1 855 843 8.77      
9 A2 872 859 0.00      
10 A2 762 750 0.00      
11 A2 420 413 0.00      
12 B1 823 810 0.09      
13 B1 678 668 73.68      
14 B1 514 506 23.83      
15 B2 3182 3134 1.47      
16 B2 3142 3095 10.87      
17 B2 1330 1310 54.35      
18 B2 1248 1229 0.09      
19 B2 1115 1098 3.95      
20 B2 924 910 0.54      
21 B2 679 669 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 14582.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 14363.6 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 LSDA/6-31+G**
ABC
0.33328 0.29548 0.15662

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.245
C2 0.000 1.060 0.422
C3 0.000 -1.060 0.422
C4 0.000 0.682 -0.979
C5 0.000 -0.682 -0.979
H6 0.000 2.080 0.823
H7 0.000 -2.080 0.823
H8 0.000 1.361 -1.834
H9 0.000 -1.361 -1.834

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34181.34182.32602.32602.12202.12203.36593.3659
C21.34182.11981.45092.23551.09573.16502.27573.3086
C31.34182.11982.23551.45093.16501.09573.30862.2757
C42.32601.45092.23551.36452.28013.29761.09132.2145
C52.32602.23551.45091.36453.29762.28012.21451.0913
H62.12201.09573.16502.28013.29764.15922.75224.3465
H72.12203.16501.09573.29762.28014.15924.34652.7522
H83.36592.27573.30861.09132.21452.75224.34652.7211
H93.36593.30862.27572.21451.09134.34652.75222.7211

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 112.739 N1 C2 H6 120.716
N1 C3 C5 112.739 N1 C3 H7 120.716
C2 N1 C3 104.350 C2 C4 C5 105.087
C2 C4 H8 126.485 C3 C5 C4 105.087
C3 C5 H9 126.485 C4 C2 H6 126.546
C4 C5 H9 128.429 C5 C3 H7 126.546
C5 C4 H8 128.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.172      
2 C -0.186      
3 C -0.186      
4 C -0.067      
5 C -0.067      
6 H 0.170      
7 H 0.170      
8 H 0.169      
9 H 0.169      


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 -2.166 2.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.774 0.000 0.000
y 0.000 -23.362 0.000
z 0.000 0.000 -32.311
Traceless
 xyz
x -3.938 0.000 0.000
y 0.000 8.681 0.000
z 0.000 0.000 -4.743
Polar
3z2-r2-9.486
x2-y2-8.412
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.685 0.000 0.000
y 0.000 9.058 0.000
z 0.000 0.000 8.270


<r2> (average value of r2) Å2
<r2> 82.186
(<r2>)1/2 9.066