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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-208.396896
Energy at 298.15K-208.401298
HF Energy-208.396896
Nuclear repulsion energy151.724444
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 LSDA/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 3181 3146 0.09      
2 A1 3121 3087 0.15      
3 A1 1540 1523 0.21      
4 A1 1421 1406 27.33      
5 A1 1196 1183 1.00      
6 A1 1071 1059 39.25      
7 A1 1024 1013 4.64      
8 A1 860 851 12.56      
9 A2 889 879 0.00      
10 A2 764 756 0.00      
11 A2 418 414 0.00      
12 B1 828 819 0.31      
13 B1 681 673 62.32      
14 B1 516 510 23.52      
15 B2 3162 3128 1.05      
16 B2 3117 3083 10.68      
17 B2 1326 1311 52.89      
18 B2 1241 1228 0.00      
19 B2 1106 1094 4.30      
20 B2 919 908 0.68      
21 B2 672 665 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 14526.1 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 14367.7 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 LSDA/cc-pVTZ
ABC
0.33623 0.29825 0.15805

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.238
C2 0.000 1.056 0.421
C3 0.000 -1.056 0.421
C4 0.000 0.678 -0.975
C5 0.000 -0.678 -0.975
H6 0.000 2.073 0.819
H7 0.000 -2.073 0.819
H8 0.000 1.352 -1.828
H9 0.000 -1.352 -1.828

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33511.33512.31392.31392.11522.11523.35063.3506
C21.33512.11171.44552.22551.09243.15432.26813.2946
C31.33512.11172.22551.44553.15431.09243.29462.2681
C42.31391.44552.22551.35602.27203.28401.08752.2022
C52.31392.22551.44551.35603.28402.27202.20221.0875
H62.11521.09243.15432.27203.28404.14642.74304.3286
H72.11523.15431.09243.28402.27204.14644.32862.7430
H83.35062.26813.29461.08752.20222.74304.32862.7041
H93.35063.29462.26812.20221.08754.32862.74302.7041

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 112.582 N1 C2 H6 120.902
N1 C3 C5 112.582 N1 C3 H7 120.902
C2 N1 C3 104.530 C2 C4 C5 105.153
C2 C4 H8 126.543 C3 C5 C4 105.153
C3 C5 H9 126.543 C4 C2 H6 126.515
C4 C5 H9 128.304 C5 C3 H7 126.515
C5 C4 H8 128.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.153      
2 C -0.029      
3 C -0.029      
4 C -0.154      
5 C -0.154      
6 H 0.131      
7 H 0.131      
8 H 0.128      
9 H 0.128      


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 -1.968 1.968
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.285 0.000 0.000
y 0.000 -23.341 0.000
z 0.000 0.000 -31.644
Traceless
 xyz
x -3.793 0.000 0.000
y 0.000 8.124 0.000
z 0.000 0.000 -4.332
Polar
3z2-r2-8.663
x2-y2-7.945
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.110 0.000 0.000
y 0.000 8.861 0.000
z 0.000 0.000 7.768


<r2> (average value of r2) Å2
<r2> 81.377
(<r2>)1/2 9.021