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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-209.467912
Energy at 298.15K-209.472379
HF Energy-209.467912
Nuclear repulsion energy148.855946
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/SDD
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 3301 3173 2.23      
2 A1 3261 3135 2.16      
3 A1 1544 1485 0.06      
4 A1 1402 1347 9.06      
5 A1 1184 1138 1.45      
6 A1 1076 1034 50.08      
7 A1 1053 1013 3.94      
8 A1 878 844 8.63      
9 A2 942 905 0.00      
10 A2 809 777 0.00      
11 A2 487 468 0.00      
12 B1 839 807 4.31      
13 B1 735 707 116.25      
14 B1 543 522 24.58      
15 B2 3274 3147 10.66      
16 B2 3255 3129 11.97      
17 B2 1347 1295 54.75      
18 B2 1291 1241 1.44      
19 B2 1043 1002 7.74      
20 B2 931 895 0.23      
21 B2 601 577 4.33      

Unscaled Zero Point Vibrational Energy (zpe) 14897.0 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 14320.5 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/SDD
ABC
0.32194 0.28733 0.15183

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.262
C2 0.000 1.087 0.428
C3 0.000 -1.087 0.428
C4 0.000 0.689 -0.996
C5 0.000 -0.689 -0.996
H6 0.000 2.095 0.827
H7 0.000 -2.095 0.827
H8 0.000 1.361 -1.843
H9 0.000 -1.361 -1.843

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.37041.37042.36082.36082.14012.14013.39053.3905
C21.37042.17471.47852.27681.08423.20772.28763.3398
C31.37042.17472.27681.47853.20771.08423.33982.2876
C42.36081.47852.27681.37852.30223.32821.08152.2187
C52.36082.27681.47851.37853.32822.30222.21871.0815
H62.14011.08423.20772.30223.32824.19082.76924.3679
H72.14013.20771.08423.32822.30224.19084.36792.7692
H83.39052.28763.33981.08152.21872.76924.36792.7227
H93.39053.33982.28762.21871.08154.36792.76922.7227

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 111.870 N1 C2 H6 120.915
N1 C3 C5 111.870 N1 C3 H7 120.915
C2 N1 C3 105.020 C2 C4 C5 105.620
C2 C4 H8 125.958 C3 C5 C4 105.620
C3 C5 H9 125.958 C4 C2 H6 127.215
C4 C5 H9 128.422 C5 C3 H7 127.215
C5 C4 H8 128.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.097      
2 C -0.212      
3 C -0.212      
4 C -0.245      
5 C -0.245      
6 H 0.253      
7 H 0.253      
8 H 0.252      
9 H 0.252      


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 -2.444 2.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.691 0.000 0.000
y 0.000 -22.560 0.000
z 0.000 0.000 -32.493
Traceless
 xyz
x -4.165 0.000 0.000
y 0.000 9.532 0.000
z 0.000 0.000 -5.367
Polar
3z2-r2-10.734
x2-y2-9.131
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.877 0.000 0.000
y 0.000 8.177 0.000
z 0.000 0.000 6.783


<r2> (average value of r2) Å2
<r2> 83.847
(<r2>)1/2 9.157