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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-209.431894
Energy at 298.15K-209.436261
HF Energy-209.431894
Nuclear repulsion energy149.477613
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/6-31G**
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 3183 3159 4.43      
2 A1 3131 3106 5.05      
3 A1 1519 1507 0.78      
4 A1 1392 1381 20.55      
5 A1 1165 1157 2.30      
6 A1 1064 1055 35.07      
7 A1 1020 1012 0.99      
8 A1 852 846 11.34      
9 A2 863 856 0.00      
10 A2 779 773 0.00      
11 A2 460 457 0.00      
12 B1 802 796 0.86      
13 B1 690 685 39.85      
14 B1 524 520 18.49      
15 B2 3164 3139 8.98      
16 B2 3127 3103 26.01      
17 B2 1322 1312 37.02      
18 B2 1267 1257 0.04      
19 B2 1043 1035 10.25      
20 B2 905 898 0.00      
21 B2 626 621 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 14448.8 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 14337.6 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 BLYP/6-31G**
ABC
0.32770 0.28770 0.15320

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.265
C2 0.000 1.071 0.426
C3 0.000 -1.071 0.426
C4 0.000 0.687 -0.993
C5 0.000 -0.687 -0.993
H6 0.000 2.090 0.822
H7 0.000 -2.090 0.822
H8 0.000 1.365 -1.845
H9 0.000 -1.365 -1.845

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36071.36072.36042.36042.13652.13653.39623.3962
C21.36072.14261.47042.25981.09283.18602.28973.3308
C31.36072.14262.25981.47043.18601.09283.33082.2897
C42.36041.47042.25981.37442.29383.31761.08862.2222
C52.36042.25981.47041.37443.31762.29382.22221.0886
H62.13651.09283.18602.29383.31764.18002.76304.3645
H72.13653.18601.09283.31762.29384.18004.36452.7630
H83.39622.28973.33081.08862.22222.76304.36452.7308
H93.39623.33082.28972.22221.08864.36452.76302.7308

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 112.917 N1 C2 H6 120.720
N1 C3 C5 112.917 N1 C3 H7 120.720
C2 N1 C3 103.878 C2 C4 C5 105.144
C2 C4 H8 126.320 C3 C5 C4 105.144
C3 C5 H9 126.320 C4 C2 H6 126.363
C4 C5 H9 128.536 C5 C3 H7 126.363
C5 C4 H8 128.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.397      
2 C 0.114      
3 C 0.114      
4 C -0.072      
5 C -0.072      
6 H 0.085      
7 H 0.085      
8 H 0.072      
9 H 0.072      


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 -1.959 1.959
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.429 0.000 0.000
y 0.000 -23.493 0.000
z 0.000 0.000 -31.334
Traceless
 xyz
x -3.015 0.000 0.000
y 0.000 7.388 0.000
z 0.000 0.000 -4.373
Polar
3z2-r2-8.746
x2-y2-6.935
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.705 0.000 0.000
y 0.000 8.399 0.000
z 0.000 0.000 7.114


<r2> (average value of r2) Å2
<r2> 83.027
(<r2>)1/2 9.112