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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-209.444444
Energy at 298.15K-209.448806
HF Energy-209.444444
Nuclear repulsion energy149.340004
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 BLYP/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 3182 3165 3.65      
2 A1 3138 3121 2.05      
3 A1 1505 1497 2.87      
4 A1 1383 1375 22.37      
5 A1 1160 1154 3.88      
6 A1 1057 1052 42.26      
7 A1 1015 1010 1.35      
8 A1 851 846 8.26      
9 A2 863 858 0.00      
10 A2 778 774 0.00      
11 A2 457 455 0.00      
12 B1 805 801 0.21      
13 B1 682 678 70.50      
14 B1 520 517 19.75      
15 B2 3163 3146 9.01      
16 B2 3134 3118 18.75      
17 B2 1315 1308 40.91      
18 B2 1261 1254 0.01      
19 B2 1045 1040 7.73      
20 B2 903 898 0.03      
21 B2 632 629 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 14423.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 14347.0 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 BLYP/6-31+G**
ABC
0.32617 0.28789 0.15292

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.263
C2 0.000 1.075 0.427
C3 0.000 -1.075 0.427
C4 0.000 0.688 -0.993
C5 0.000 -0.688 -0.993
H6 0.000 2.092 0.825
H7 0.000 -2.092 0.825
H8 0.000 1.367 -1.845
H9 0.000 -1.367 -1.845

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36161.36162.35882.35882.13692.13693.39533.3953
C21.36162.14961.47172.26401.09223.19142.29083.3351
C31.36162.14962.26401.47173.19141.09223.33512.2908
C42.35881.47172.26401.37702.29713.32221.08892.2247
C52.35882.26401.47171.37703.32222.29712.22471.0889
H62.13691.09223.19142.29713.32224.18332.76744.3695
H72.13693.19141.09223.32222.29714.18334.36952.7674
H83.39532.29083.33511.08892.22472.76744.36952.7332
H93.39533.33512.29082.22471.08894.36952.76742.7332

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 112.660 N1 C2 H6 120.718
N1 C3 C5 112.660 N1 C3 H7 120.718
C2 N1 C3 104.246 C2 C4 C5 105.217
C2 C4 H8 126.266 C3 C5 C4 105.217
C3 C5 H9 126.266 C4 C2 H6 126.622
C4 C5 H9 128.517 C5 C3 H7 126.622
C5 C4 H8 128.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.209      
2 C -0.114      
3 C -0.114      
4 C -0.029      
5 C -0.029      
6 H 0.126      
7 H 0.126      
8 H 0.121      
9 H 0.121      


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 -2.160 2.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.939 0.000 0.000
y 0.000 -23.885 0.000
z 0.000 0.000 -32.918
Traceless
 xyz
x -3.537 0.000 0.000
y 0.000 8.544 0.000
z 0.000 0.000 -5.006
Polar
3z2-r2-10.013
x2-y2-8.054
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.874 0.000 0.000
y 0.000 9.331 0.000
z 0.000 0.000 8.532


<r2> (average value of r2) Å2
<r2> 83.872
(<r2>)1/2 9.158