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

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-208.271392
Energy at 298.15K 
HF Energy-208.271392
Nuclear repulsion energy152.225268
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/daug-cc-pVTZ
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 3398 3073 1.92      
2 A1 3361 3040 2.56      
3 A1 1693 1532 0.25      
4 A1 1567 1417 21.66      
5 A1 1266 1146 0.56      
6 A1 1174 1062 30.06      
7 A1 1085 981 2.40      
8 A1 940 851 13.10      
9 A2 1050 950 0.00      
10 A2 882 798 0.00      
11 A2 557 504 0.00      
12 B1 893 808 7.68      
13 B1 787 712 78.07      
14 B1 590 534 17.39      
15 B2 3376 3054 13.96      
16 B2 3356 3036 18.98      
17 B2 1457 1318 68.03      
18 B2 1398 1265 17.65      
19 B2 1115 1008 1.45      
20 B2 969 877 0.67      
21 B2 528i 478i 398.68      

Unscaled Zero Point Vibrational Energy (zpe) 15192.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 13743.3 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/daug-cc-pVTZ
ABC
0.33913 0.29844 0.15875

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.231
C2 0.000 1.058 0.427
C3 0.000 -1.058 0.427
C4 0.000 0.668 -0.978
C5 0.000 -0.668 -0.978
H6 0.000 2.057 0.815
H7 0.000 -2.057 0.815
H8 0.000 1.333 -1.816
H9 0.000 -1.333 -1.816

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.32951.32952.30832.30832.09832.09833.32603.3260
C21.32952.11661.45782.22591.07133.13902.25923.2782
C31.32952.11662.22591.45783.13901.07133.27822.2592
C42.30831.45782.22591.33672.26783.26211.06942.1697
C52.30832.22591.45781.33673.26212.26782.16971.0694
H62.09831.07133.13902.26783.26214.11322.72874.2909
H72.09833.13901.07133.26212.26784.11324.29092.7287
H83.32602.25923.27821.06942.16972.72874.29092.6660
H93.32603.27822.25922.16971.06944.29092.72872.6660

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 111.738 N1 C2 H6 121.482
N1 C3 C5 111.738 N1 C3 H7 121.482
C2 N1 C3 105.496 C2 C4 C5 105.514
C2 C4 H8 126.058 C3 C5 C4 105.514
C3 C5 H9 126.058 C4 C2 H6 126.780
C4 C5 H9 128.428 C5 C3 H7 126.780
C5 C4 H8 128.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.460      
2 C -0.915      
3 C -0.915      
4 C -0.295      
5 C -0.295      
6 H 1.177      
7 H 1.177      
8 H 0.763      
9 H 0.763      


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 -2.173 2.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.747 0.000 0.000
y 0.000 -23.169 0.000
z 0.000 0.000 -32.298
Traceless
 xyz
x -4.013 0.000 0.000
y 0.000 8.853 0.000
z 0.000 0.000 -4.840
Polar
3z2-r2-9.680
x2-y2-8.577
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.011 0.000 0.000
y 0.000 9.601 0.000
z 0.000 0.000 7.497


<r2> (average value of r2) Å2
<r2> 81.172
(<r2>)1/2 9.010