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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-209.416708
Energy at 298.15K-209.421247
HF Energy-209.416708
Nuclear repulsion energy151.481233
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 B1B95/6-31G*
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 3304 3136 1.90      
2 A1 3251 3086 3.23      
3 A1 1609 1527 0.49      
4 A1 1488 1412 26.25      
5 A1 1228 1166 2.85      
6 A1 1116 1059 36.02      
7 A1 1069 1014 0.25      
8 A1 878 834 11.54      
9 A2 913 866 0.00      
10 A2 830 788 0.00      
11 A2 490 466 0.00      
12 B1 844 801 0.92      
13 B1 720 683 54.28      
14 B1 542 515 21.66      
15 B2 3284 3117 6.45      
16 B2 3247 3082 23.37      
17 B2 1386 1316 50.18      
18 B2 1313 1246 0.02      
19 B2 1113 1057 7.65      
20 B2 960 911 0.00      
21 B2 686 651 3.66      

Unscaled Zero Point Vibrational Energy (zpe) 15134.1 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 14366.8 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 B1B95/6-31G*
ABC
0.33671 0.29549 0.15738

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.245
C2 0.000 1.055 0.422
C3 0.000 -1.055 0.422
C4 0.000 0.679 -0.980
C5 0.000 -0.679 -0.980
H6 0.000 2.065 0.816
H7 0.000 -2.065 0.816
H8 0.000 1.353 -1.824
H9 0.000 -1.353 -1.824

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33861.33862.32702.32702.10962.10963.35463.3546
C21.33862.11051.45212.23001.08423.14542.26573.2932
C31.33862.11052.23001.45213.14541.08423.29322.2657
C42.32701.45212.23001.35722.26933.27961.08022.1999
C52.32702.23001.45211.35723.27962.26932.19991.0802
H62.10961.08423.14542.26933.27964.13072.73434.3191
H72.10963.14541.08423.27962.26934.13074.31912.7343
H83.35462.26573.29321.08022.19992.73434.31912.7062
H93.35463.29322.26572.19991.08024.31912.73432.7062

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 112.933 N1 C2 H6 120.729
N1 C3 C5 112.933 N1 C3 H7 120.729
C2 N1 C3 104.064 C2 C4 C5 105.035
C2 C4 H8 126.323 C3 C5 C4 105.035
C3 C5 H9 126.323 C4 C2 H6 126.338
C4 C5 H9 128.642 C5 C3 H7 126.338
C5 C4 H8 128.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.416      
2 C 0.041      
3 C 0.041      
4 C -0.183      
5 C -0.183      
6 H 0.177      
7 H 0.177      
8 H 0.172      
9 H 0.172      


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 -2.036 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.521 0.000 0.000
y 0.000 -22.809 0.000
z 0.000 0.000 -31.017
Traceless
 xyz
x -3.608 0.000 0.000
y 0.000 7.961 0.000
z 0.000 0.000 -4.352
Polar
3z2-r2-8.705
x2-y2-7.712
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.642 0.000 0.000
y 0.000 8.053 0.000
z 0.000 0.000 6.735


<r2> (average value of r2) Å2
<r2> 81.157
(<r2>)1/2 9.009