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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-209.363731
Energy at 298.15K-209.368236
HF Energy-209.363731
Nuclear repulsion energy149.868620
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 B3PW91/6-31G
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 3314 3174 1.17      
2 A1 3281 3142 4.14      
3 A1 1574 1507 0.42      
4 A1 1423 1363 9.51      
5 A1 1205 1154 0.92      
6 A1 1097 1051 38.49      
7 A1 1070 1025 4.21      
8 A1 894 856 10.76      
9 A2 939 899 0.00      
10 A2 819 784 0.00      
11 A2 492 471 0.00      
12 B1 850 814 1.46      
13 B1 733 702 83.11      
14 B1 551 527 24.16      
15 B2 3290 3151 10.46      
16 B2 3274 3135 8.30      
17 B2 1370 1313 49.56      
18 B2 1313 1257 1.23      
19 B2 1050 1006 13.17      
20 B2 946 906 0.00      
21 B2 590 565 2.91      

Unscaled Zero Point Vibrational Energy (zpe) 15036.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 14400.8 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 B3PW91/6-31G
ABC
0.32642 0.29150 0.15399

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.255
C2 0.000 1.079 0.424
C3 0.000 -1.079 0.424
C4 0.000 0.684 -0.987
C5 0.000 -0.684 -0.987
H6 0.000 2.086 0.820
H7 0.000 -2.086 0.820
H8 0.000 1.353 -1.834
H9 0.000 -1.353 -1.834

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36191.36192.34382.34382.13062.13063.37253.3725
C21.36192.15891.46592.25851.08133.18992.27543.3196
C31.36192.15892.25851.46593.18991.08133.31962.2754
C42.34381.46592.25851.36742.28733.30691.07992.2060
C52.34382.25851.46591.36743.30692.28732.20601.0799
H62.13061.08133.18992.28733.30694.17162.75374.3442
H72.13063.18991.08133.30692.28734.17164.34422.7537
H83.37252.27543.31961.07992.20602.75374.34422.7062
H93.37253.31962.27542.20601.07994.34422.75372.7062

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 111.906 N1 C2 H6 120.970
N1 C3 C5 111.906 N1 C3 H7 120.970
C2 N1 C3 104.864 C2 C4 C5 105.662
C2 C4 H8 126.029 C3 C5 C4 105.662
C3 C5 H9 126.029 C4 C2 H6 127.124
C4 C5 H9 128.309 C5 C3 H7 127.124
C5 C4 H8 128.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.404      
2 C 0.008      
3 C 0.008      
4 C -0.182      
5 C -0.182      
6 H 0.192      
7 H 0.192      
8 H 0.183      
9 H 0.183      


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 -2.348 2.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.958 0.000 0.000
y 0.000 -22.598 0.000
z 0.000 0.000 -32.017
Traceless
 xyz
x -3.651 0.000 0.000
y 0.000 8.890 0.000
z 0.000 0.000 -5.239
Polar
3z2-r2-10.479
x2-y2-8.360
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.431 0.000 0.000
y 0.000 8.103 0.000
z 0.000 0.000 6.685


<r2> (average value of r2) Å2
<r2> 82.720
(<r2>)1/2 9.095