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

using model chemistry: B1B95/TZVP

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/TZVP
 hartrees
Energy at 0K-209.481426
Energy at 298.15K-209.485962
HF Energy-209.481426
Nuclear repulsion energy151.859576
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/TZVP
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 3285 3144 0.88      
2 A1 3234 3094 0.92      
3 A1 1590 1522 1.40      
4 A1 1466 1403 25.53      
5 A1 1223 1170 3.87      
6 A1 1105 1058 42.52      
7 A1 1060 1014 0.00      
8 A1 884 846 9.63      
9 A2 891 853 0.00      
10 A2 815 780 0.00      
11 A2 474 454 0.00      
12 B1 838 802 0.20      
13 B1 717 686 70.28      
14 B1 540 516 20.85      
15 B2 3265 3125 4.01      
16 B2 3229 3090 16.85      
17 B2 1373 1314 53.07      
18 B2 1305 1249 0.00      
19 B2 1101 1054 6.82      
20 B2 950 909 0.12      
21 B2 675 646 3.68      

Unscaled Zero Point Vibrational Energy (zpe) 15010.3 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 14363.3 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/TZVP
ABC
0.33763 0.29752 0.15816

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.239
C2 0.000 1.055 0.422
C3 0.000 -1.055 0.422
C4 0.000 0.676 -0.977
C5 0.000 -0.676 -0.977
H6 0.000 2.062 0.816
H7 0.000 -2.062 0.816
H8 0.000 1.347 -1.820
H9 0.000 -1.347 -1.820

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33461.33462.31752.31752.10472.10473.34243.3424
C21.33462.11051.44992.22641.08063.14172.26063.2860
C31.33462.11052.22641.44993.14171.08063.28602.2606
C42.31751.44992.22641.35262.26603.27291.07692.1919
C52.31752.22641.44991.35263.27292.26602.19191.0769
H62.10471.08063.14172.26603.27294.12332.73044.3089
H72.10473.14171.08063.27292.26604.12334.30892.7304
H83.34242.26063.28601.07692.19192.73044.30892.6948
H93.34243.28602.26062.19191.07694.30892.73042.6948

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 112.599 N1 C2 H6 120.886
N1 C3 C5 112.599 N1 C3 H7 120.886
C2 N1 C3 104.499 C2 C4 C5 105.152
C2 C4 H8 126.296 C3 C5 C4 105.152
C3 C5 H9 126.296 C4 C2 H6 126.515
C4 C5 H9 128.552 C5 C3 H7 126.515
C5 C4 H8 128.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.113      
2 C -0.096      
3 C -0.096      
4 C -0.118      
5 C -0.118      
6 H 0.128      
7 H 0.128      
8 H 0.143      
9 H 0.143      


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 -2.085 2.085
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.214 0.000 0.000
y 0.000 -23.143 0.000
z 0.000 0.000 -31.855
Traceless
 xyz
x -3.715 0.000 0.000
y 0.000 8.391 0.000
z 0.000 0.000 -4.677
Polar
3z2-r2-9.353
x2-y2-8.071
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.195 0.000 0.000
y 0.000 8.637 0.000
z 0.000 0.000 7.461


<r2> (average value of r2) Å2
<r2> 81.235
(<r2>)1/2 9.013