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

using model chemistry: B2PLYP/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 B2PLYP/6-31+G**
 hartrees
Energy at 0K-209.304636
Energy at 298.15K-209.309188
HF Energy-209.081202
Nuclear repulsion energy150.707204
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 B2PLYP/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 3301 3144 1.29      
2 A1 3263 3107 0.86      
3 A1 1574 1499 2.72      
4 A1 1459 1389 25.61      
5 A1 1214 1156 5.25      
6 A1 1105 1052 42.04      
7 A1 1064 1014 0.16      
8 A1 883 841 8.62      
9 A2 880 838 0.00      
10 A2 826 787 0.00      
11 A2 487 464 0.00      
12 B1 831 791 0.02      
13 B1 709 675 80.32      
14 B1 542 516 21.71      
15 B2 3282 3126 5.69      
16 B2 3259 3103 12.81      
17 B2 1384 1319 37.77      
18 B2 1315 1252 0.14      
19 B2 1094 1042 12.94      
20 B2 966 920 0.28      
21 B2 726 691 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 15080.5 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 14362.6 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 B2PLYP/6-31+G**
ABC
0.33175 0.29352 0.15573

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.249
C2 0.000 1.065 0.424
C3 0.000 -1.065 0.424
C4 0.000 0.683 -0.984
C5 0.000 -0.683 -0.984
H6 0.000 2.073 0.819
H7 0.000 -2.073 0.819
H8 0.000 1.355 -1.829
H9 0.000 -1.355 -1.829

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34801.34802.33562.33562.11732.11733.36343.3634
C21.34802.13081.45852.24481.08223.16312.27093.3066
C31.34802.13082.24481.45853.16311.08223.30662.2709
C42.33561.45852.24481.36682.27593.29341.07952.2069
C52.33562.24481.45851.36683.29342.27592.20691.0795
H62.11731.08223.16312.27593.29344.14592.74284.3315
H72.11733.16311.08223.29342.27594.14594.33152.7428
H83.36342.27093.30661.07952.20692.74284.33152.7109
H93.36343.30662.27092.20691.07954.33152.74282.7109

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 112.598 N1 C2 H6 120.813
N1 C3 C5 112.598 N1 C3 H7 120.813
C2 N1 C3 104.435 C2 C4 C5 105.185
C2 C4 H8 126.312 C3 C5 C4 105.185
C3 C5 H9 126.312 C4 C2 H6 126.589
C4 C5 H9 128.504 C5 C3 H7 126.589
C5 C4 H8 128.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.250      
2 C -0.088      
3 C -0.088      
4 C -0.088      
5 C -0.088      
6 H 0.149      
7 H 0.149      
8 H 0.152      
9 H 0.152      


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 -2.245 2.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.956 0.000 0.000
y 0.000 -23.498 0.000
z 0.000 0.000 -32.839
Traceless
 xyz
x -3.788 0.000 0.000
y 0.000 8.900 0.000
z 0.000 0.000 -5.112
Polar
3z2-r2-10.224
x2-y2-8.458
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.656 0.000 0.000
y 0.000 8.758 0.000
z 0.000 0.000 7.943


<r2> (average value of r2) Å2
<r2> 82.603
(<r2>)1/2 9.089