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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-208.124861
Energy at 298.15K 
HF Energy-208.124861
Nuclear repulsion energy150.105267
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 HF/LANL2DZ
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 3488 3138 3.44      
2 A1 3458 3112 5.71      
3 A1 1696 1526 0.87      
4 A1 1527 1374 7.82      
5 A1 1253 1128 1.12      
6 A1 1150 1035 35.94      
7 A1 1098 988 3.21      
8 A1 947 852 10.04      
9 A2 1063 957 0.00      
10 A2 846 761 0.00      
11 A2 560 504 0.00      
12 B1 886 798 42.62      
13 B1 776 698 87.34      
14 B1 581 523 21.20      
15 B2 3459 3113 71.29      
16 B2 3450 3104 10.54      
17 B2 1450 1305 55.87      
18 B2 1373 1236 47.14      
19 B2 1103 993 1.66      
20 B2 959 863 0.12      
21 B2 3283i 2954i 22028.86      

Unscaled Zero Point Vibrational Energy (zpe) 13919.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 12526.4 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 HF/LANL2DZ
ABC
0.32647 0.29232 0.15423

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.245
C2 0.000 1.087 0.430
C3 0.000 -1.087 0.430
C4 0.000 0.676 -0.989
C5 0.000 -0.676 -0.989
H6 0.000 2.081 0.821
H7 0.000 -2.081 0.821
H8 0.000 1.337 -1.827
H9 0.000 -1.337 -1.827

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.35831.35832.33452.33452.12352.12353.35083.3508
C21.35832.17321.47762.26311.06793.19122.27133.3121
C31.35832.17322.26311.47763.19121.06793.31212.2713
C42.33451.47762.26311.35222.29083.29771.06732.1805
C52.33452.26311.47761.35223.29772.29082.18051.0673
H62.12351.06793.19122.29083.29774.16132.75024.3233
H72.12353.19121.06793.29772.29084.16134.32332.7502
H83.35082.27133.31211.06732.18052.75024.32332.6739
H93.35083.31212.27132.18051.06734.32332.75022.6739

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 110.743 N1 C2 H6 121.689
N1 C3 C5 110.743 N1 C3 H7 121.689
C2 N1 C3 106.253 C2 C4 C5 106.130
C2 C4 H8 125.611 C3 C5 C4 106.130
C3 C5 H9 125.611 C4 C2 H6 127.567
C4 C5 H9 128.259 C5 C3 H7 127.567
C5 C4 H8 128.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.234      
2 C -0.121      
3 C -0.121      
4 C -0.234      
5 C -0.234      
6 H 0.238      
7 H 0.238      
8 H 0.234      
9 H 0.234      


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 -2.581 2.581
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.369 0.000 0.000
y 0.000 -23.093 0.000
z 0.000 0.000 -33.547
Traceless
 xyz
x -4.050 0.000 0.000
y 0.000 9.865 0.000
z 0.000 0.000 -5.816
Polar
3z2-r2-11.632
x2-y2-9.277
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.756 0.000 0.000
y 0.000 14.892 0.000
z 0.000 0.000 5.978


<r2> (average value of r2) Å2
<r2> 83.260
(<r2>)1/2 9.125