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

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-208.257257
Energy at 298.15K-208.261409
HF Energy-208.257257
Nuclear repulsion energy148.149506
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/3-21G
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 3208 3190 1.62      
2 A1 3166 3149 6.12      
3 A1 1484 1476 0.42      
4 A1 1314 1307 2.96      
5 A1 1153 1147 0.13      
6 A1 1039 1033 16.00      
7 A1 989 984 22.72      
8 A1 861 856 11.24      
9 A2 885 880 0.00      
10 A2 751 747 0.00      
11 A2 437 434 0.00      
12 B1 807 803 0.44      
13 B1 698 694 74.93      
14 B1 533 530 21.77      
15 B2 3185 3167 6.33      
16 B2 3160 3143 12.67      
17 B2 1311 1304 34.24      
18 B2 1264 1257 2.31      
19 B2 975 970 15.67      
20 B2 876 871 0.55      
21 B2 390 388 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 14242.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 14163.8 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 BLYP/3-21G
ABC
0.32047 0.28324 0.15035

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.277
C2 0.000 1.091 0.429
C3 0.000 -1.091 0.429
C4 0.000 0.688 -1.001
C5 0.000 -0.688 -1.001
H6 0.000 2.107 0.817
H7 0.000 -2.107 0.817
H8 0.000 1.360 -1.853
H9 0.000 -1.360 -1.853

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.38111.38112.37982.37982.15642.15643.41283.4128
C21.38112.18141.48622.28311.08733.22082.29853.3494
C31.38112.18142.28311.48623.22081.08733.34942.2985
C42.37981.48622.28311.37692.30583.33441.08502.2189
C52.37982.28311.48621.37693.33442.30582.21891.0850
H62.15641.08733.22082.30583.33444.21352.77214.3760
H72.15643.22081.08733.33442.30584.21354.37602.7721
H83.41282.29853.34941.08502.21892.77214.37602.7209
H93.41283.34942.29852.21891.08504.37602.77212.7209

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 112.141 N1 C2 H6 121.296
N1 C3 C5 112.141 N1 C3 H7 121.296
C2 N1 C3 104.315 C2 C4 C5 105.702
C2 C4 H8 126.029 C3 C5 C4 105.702
C3 C5 H9 126.029 C4 C2 H6 126.563
C4 C5 H9 128.269 C5 C3 H7 126.563
C5 C4 H8 128.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.453      
2 C 0.057      
3 C 0.057      
4 C -0.194      
5 C -0.194      
6 H 0.194      
7 H 0.194      
8 H 0.170      
9 H 0.170      


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 -1.963 1.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.396 0.000 0.000
y 0.000 -23.078 0.000
z 0.000 0.000 -31.476
Traceless
 xyz
x -4.119 0.000 0.000
y 0.000 8.358 0.000
z 0.000 0.000 -4.239
Polar
3z2-r2-8.477
x2-y2-8.318
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.067 0.000 0.000
y 0.000 7.955 0.000
z 0.000 0.000 6.514


<r2> (average value of r2) Å2
<r2> 84.292
(<r2>)1/2 9.181