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

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-209.313258
Energy at 298.15K-209.317622
HF Energy-209.313258
Nuclear repulsion energy150.298717
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 PBEPBE/TZVP
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 3186 3150 1.56      
2 A1 3134 3099 1.17      
3 A1 1517 1500 0.97      
4 A1 1392 1377 21.32      
5 A1 1175 1162 3.32      
6 A1 1062 1050 44.17      
7 A1 1023 1011 0.00      
8 A1 855 846 9.17      
9 A2 840 830 0.00      
10 A2 761 753 0.00      
11 A2 439 434 0.00      
12 B1 795 786 0.14      
13 B1 683 675 66.31      
14 B1 517 511 21.26      
15 B2 3167 3132 4.51      
16 B2 3131 3096 17.11      
17 B2 1314 1300 46.81      
18 B2 1254 1240 0.04      
19 B2 1058 1046 7.97      
20 B2 910 900 0.26      
21 B2 648 641 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 14429.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 14268.0 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 PBEPBE/TZVP
ABC
0.33082 0.29144 0.15494

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.254
C2 0.000 1.066 0.425
C3 0.000 -1.066 0.425
C4 0.000 0.684 -0.987
C5 0.000 -0.684 -0.987
H6 0.000 2.082 0.823
H7 0.000 -2.082 0.823
H8 0.000 1.360 -1.839
H9 0.000 -1.360 -1.839

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.35081.35082.34302.34302.12642.12643.37843.3784
C21.35082.13211.46232.24801.09123.17332.28213.3175
C31.35082.13212.24801.46233.17331.09123.31752.2821
C42.34301.46232.24801.36732.28683.30511.08732.2136
C52.34302.24801.46231.36733.30512.28682.21361.0873
H62.12641.09123.17332.28683.30514.16432.75744.3505
H72.12643.17331.09123.30512.28684.16434.35052.7574
H83.37842.28213.31751.08732.21362.75744.35052.7192
H93.37843.31752.28212.21361.08734.35052.75742.7192

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 112.732 N1 C2 H6 120.722
N1 C3 C5 112.732 N1 C3 H7 120.722
C2 N1 C3 104.217 C2 C4 C5 105.159
C2 C4 H8 126.404 C3 C5 C4 105.159
C3 C5 H9 126.404 C4 C2 H6 126.546
C4 C5 H9 128.437 C5 C3 H7 126.546
C5 C4 H8 128.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.068      
2 C -0.117      
3 C -0.117      
4 C -0.101      
5 C -0.101      
6 H 0.121      
7 H 0.121      
8 H 0.131      
9 H 0.131      


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 -2.056 2.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.480 0.000 0.000
y 0.000 -23.534 0.000
z 0.000 0.000 -32.104
Traceless
 xyz
x -3.661 0.000 0.000
y 0.000 8.259 0.000
z 0.000 0.000 -4.597
Polar
3z2-r2-9.195
x2-y2-7.947
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.303 0.000 0.000
y 0.000 8.964 0.000
z 0.000 0.000 7.908


<r2> (average value of r2) Å2
<r2> 82.726
(<r2>)1/2 9.095