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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-209.458653
Energy at 298.15K-209.463200
HF Energy-209.458653
Nuclear repulsion energy151.710929
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 B1B95/6-311G*
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 3278 3143 3.40      
2 A1 3229 3095 2.80      
3 A1 1596 1530 1.08      
4 A1 1476 1415 27.32      
5 A1 1226 1175 3.09      
6 A1 1108 1062 40.15      
7 A1 1062 1018 0.21      
8 A1 881 844 11.50      
9 A2 908 870 0.00      
10 A2 828 793 0.00      
11 A2 489 469 0.00      
12 B1 842 807 0.38      
13 B1 714 684 70.12      
14 B1 541 519 22.91      
15 B2 3258 3123 10.54      
16 B2 3224 3091 25.56      
17 B2 1378 1321 52.70      
18 B2 1303 1249 0.01      
19 B2 1105 1060 6.74      
20 B2 952 913 0.17      
21 B2 682 654 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 15038.9 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 14416.3 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 B1B95/6-311G*
ABC
0.33760 0.29646 0.15785

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.242
C2 0.000 1.055 0.422
C3 0.000 -1.055 0.422
C4 0.000 0.677 -0.979
C5 0.000 -0.677 -0.979
H6 0.000 2.062 0.818
H7 0.000 -2.062 0.818
H8 0.000 1.349 -1.823
H9 0.000 -1.349 -1.823

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33571.33572.32182.32182.10512.10513.34883.3488
C21.33572.10911.45102.22761.08263.14172.26463.2891
C31.33572.10912.22761.45103.14171.08263.28912.2646
C42.32181.45102.22761.35442.26903.27631.07892.1949
C52.32182.22761.45101.35443.27632.26902.19491.0789
H62.10511.08263.14172.26903.27634.12412.73634.3142
H72.10513.14171.08263.27632.26904.12414.31422.7363
H83.34882.26463.28911.07892.19492.73634.31422.6977
H93.34883.28912.26462.19491.07894.31422.73632.6977

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 112.787 N1 C2 H6 120.668
N1 C3 C5 112.787 N1 C3 H7 120.668
C2 N1 C3 104.281 C2 C4 C5 105.073
C2 C4 H8 126.427 C3 C5 C4 105.073
C3 C5 H9 126.427 C4 C2 H6 126.545
C4 C5 H9 128.501 C5 C3 H7 126.545
C5 C4 H8 128.501
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.300      
2 C -0.029      
3 C -0.029      
4 C -0.254      
5 C -0.254      
6 H 0.219      
7 H 0.219      
8 H 0.214      
9 H 0.214      


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 -2.005 2.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.144 0.000 0.000
y 0.000 -22.952 0.000
z 0.000 0.000 -31.323
Traceless
 xyz
x -4.006 0.000 0.000
y 0.000 8.281 0.000
z 0.000 0.000 -4.275
Polar
3z2-r2-8.549
x2-y2-8.191
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.285 0.000 0.000
y 0.000 8.322 0.000
z 0.000 0.000 7.018


<r2> (average value of r2) Å2
<r2> 81.197
(<r2>)1/2 9.011