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

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-205.662294
Energy at 298.15K-205.666890
HF Energy-205.662294
Nuclear repulsion energy149.940676
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/STO-3G
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 3512 3145 0.59      
2 A1 3477 3114 64.58      
3 A1 1523 1364 3.50      
4 A1 1427 1277 0.20      
5 A1 1216 1089 1.30      
6 A1 1116 1000 0.26      
7 A1 1039 931 12.55      
8 A1 869 779 3.09      
9 A2 962 862 0.00      
10 A2 842 754 0.00      
11 A2 641 574 0.00      
12 B1 1149 1029 35.04      
13 B1 791 709 12.23      
14 B1 659 590 51.35      
15 B2 3501 3135 108.03      
16 B2 3458 3097 1.95      
17 B2 1547 1386 22.37      
18 B2 1463 1310 4.58      
19 B2 1256 1125 1.00      
20 B2 1090 976 14.93      
21 B2 827 741 11.72      

Unscaled Zero Point Vibrational Energy (zpe) 16182.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 14491.7 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/STO-3G
ABC
0.33089 0.29085 0.15479

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.158
C2 0.000 1.165 0.404
C3 0.000 -1.165 0.404
C4 0.000 0.712 -0.922
C5 0.000 -0.712 -0.922
H6 0.000 2.166 0.846
H7 0.000 -2.166 0.846
H8 0.000 1.374 -1.794
H9 0.000 -1.374 -1.794

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.38691.38692.19752.19752.18812.18813.25583.2558
C21.38692.32901.40102.29731.09453.35952.20843.3581
C31.38692.32902.29731.40103.35951.09453.35812.2084
C42.19751.40102.29731.42322.28903.37701.09552.2607
C52.19752.29731.40101.42323.37702.28902.26071.0955
H62.18811.09453.35952.28903.37704.33162.75664.4160
H72.18813.35951.09453.37702.28904.33164.41602.7566
H83.25582.20843.35811.09552.26072.75664.41602.7477
H93.25583.35812.20842.26071.09554.41602.75662.7477

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 104.037 N1 C2 H6 123.288
N1 C3 C5 104.037 N1 C3 H7 123.288
C2 N1 C3 114.204 C2 C4 C5 108.861
C2 C4 H8 123.945 C3 C5 C4 108.861
C3 C5 H9 123.945 C4 C2 H6 132.675
C4 C5 H9 127.194 C5 C3 H7 132.675
C5 C4 H8 127.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.069      
2 C -0.064      
3 C -0.064      
4 C -0.129      
5 C -0.129      
6 H 0.122      
7 H 0.122      
8 H 0.105      
9 H 0.105      


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 0.363 0.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.057 0.000 0.000
y 0.000 -22.811 0.000
z 0.000 0.000 -24.751
Traceless
 xyz
x -5.277 0.000 0.000
y 0.000 4.093 0.000
z 0.000 0.000 1.183
Polar
3z2-r22.367
x2-y2-6.246
xy0.000
xz0.000
yz0.000


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> 80.860
(<r2>)1/2 8.992