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

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-206.817500
Energy at 298.15K-206.821519
HF Energy-206.817500
Nuclear repulsion energy148.397094
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 B1B95/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 3557 3140 11.87      
2 A1 3487 3079 0.97      
3 A1 1714 1513 3.66      
4 A1 1522 1344 5.50      
5 A1 1231 1087 0.59      
6 A1 1134 1001 11.33      
7 A1 1109 979 0.01      
8 A1 894 789 5.61      
9 A2 970 857 0.00      
10 A2 825 729 0.00      
11 A2 511 452 0.00      
12 B1 829 732 7.06      
13 B1 728 643 24.43      
14 B1 535 473 12.35      
15 B2 3525 3112 21.58      
16 B2 3481 3074 5.58      
17 B2 1425 1258 52.19      
18 B2 1328 1172 0.94      
19 B2 1028 907 20.39      
20 B2 967 854 0.64      
21 B2 396 349 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 15596.4 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 13771.6 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 B1B95/STO-3G
ABC
0.32598 0.28132 0.15100

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.295
C2 0.000 1.079 0.421
C3 0.000 -1.079 0.421
C4 0.000 0.679 -1.001
C5 0.000 -0.679 -1.001
H6 0.000 2.111 0.800
H7 0.000 -2.111 0.800
H8 0.000 1.363 -1.852
H9 0.000 -1.363 -1.852

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.38851.38852.39462.39462.16822.16823.42973.4297
C21.38852.15701.47672.26071.09983.21182.29043.3356
C31.38852.15702.26071.47673.21181.09983.33562.2904
C42.39461.47672.26071.35842.30063.32071.09172.2125
C52.39462.26071.47671.35843.32072.30062.21251.0917
H62.16821.09983.21182.30063.32074.22172.75524.3704
H72.16823.21181.09983.32072.30064.22174.37042.7552
H83.42972.29043.33561.09172.21252.75524.37042.7263
H93.42973.33562.29042.21251.09174.37042.75522.7263

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 113.349 N1 C2 H6 120.794
N1 C3 C5 113.349 N1 C3 H7 120.794
C2 N1 C3 101.925 C2 C4 C5 105.689
C2 C4 H8 125.520 C3 C5 C4 105.689
C3 C5 H9 125.520 C4 C2 H6 125.857
C4 C5 H9 128.791 C5 C3 H7 125.857
C5 C4 H8 128.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.248      
2 C 0.033      
3 C 0.033      
4 C -0.100      
5 C -0.100      
6 H 0.098      
7 H 0.098      
8 H 0.093      
9 H 0.093      


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 -1.875 1.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.859 0.000 0.000
y 0.000 -22.572 0.000
z 0.000 0.000 -29.674
Traceless
 xyz
x -1.736 0.000 0.000
y 0.000 6.194 0.000
z 0.000 0.000 -4.458
Polar
3z2-r2-8.916
x2-y2-5.287
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.997 0.000 0.000
y 0.000 5.433 0.000
z 0.000 0.000 4.018


<r2> (average value of r2) Å2
<r2> 82.828
(<r2>)1/2 9.101