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

using model chemistry: PBE1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-209.280276
Energy at 298.15K-209.284841
HF Energy-209.280276
Nuclear repulsion energy150.885866
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 PBE1PBE/cc-pVDZ
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 3284 3158 0.79      
2 A1 3228 3103 1.47      
3 A1 1590 1529 0.45      
4 A1 1474 1417 26.53      
5 A1 1217 1170 1.56      
6 A1 1098 1056 36.95      
7 A1 1048 1007 2.29      
8 A1 876 843 11.93      
9 A2 919 883 0.00      
10 A2 832 800 0.00      
11 A2 495 476 0.00      
12 B1 844 812 0.81      
13 B1 716 688 53.65      
14 B1 542 521 20.35      
15 B2 3262 3137 3.45      
16 B2 3224 3100 16.43      
17 B2 1358 1306 53.22      
18 B2 1280 1231 0.00      
19 B2 1100 1057 4.32      
20 B2 944 907 0.06      
21 B2 693 667 6.02      

Unscaled Zero Point Vibrational Energy (zpe) 15011.1 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 14433.2 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 PBE1PBE/cc-pVDZ
ABC
0.33407 0.29332 0.15619

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.249
C2 0.000 1.059 0.424
C3 0.000 -1.059 0.424
C4 0.000 0.681 -0.984
C5 0.000 -0.681 -0.984
H6 0.000 2.077 0.821
H7 0.000 -2.077 0.821
H8 0.000 1.358 -1.835
H9 0.000 -1.358 -1.835

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34251.34252.33432.33432.12062.12063.37033.3703
C21.34252.11811.45762.23811.09253.16102.27903.3089
C31.34252.11812.23811.45763.16101.09253.30892.2790
C42.33431.45762.23811.36192.28153.29581.08822.2101
C52.33432.23811.45761.36193.29582.28152.21011.0882
H62.12061.09253.16102.28153.29584.15382.75164.3425
H72.12063.16101.09253.29582.28154.15384.34252.7516
H83.37032.27903.30891.08822.21012.75164.34252.7169
H93.37033.30892.27902.21011.08824.34252.75162.7169

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 112.888 N1 C2 H6 120.777
N1 C3 C5 112.888 N1 C3 H7 120.777
C2 N1 C3 104.155 C2 C4 C5 105.034
C2 C4 H8 126.462 C3 C5 C4 105.034
C3 C5 H9 126.462 C4 C2 H6 126.335
C4 C5 H9 128.503 C5 C3 H7 126.335
C5 C4 H8 128.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.239      
2 C 0.119      
3 C 0.119      
4 C -0.044      
5 C -0.044      
6 H 0.031      
7 H 0.031      
8 H 0.013      
9 H 0.013      


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 -1.897 1.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.891 0.000 0.000
y 0.000 -23.165 0.000
z 0.000 0.000 -31.172
Traceless
 xyz
x -3.723 0.000 0.000
y 0.000 7.867 0.000
z 0.000 0.000 -4.144
Polar
3z2-r2-8.288
x2-y2-7.726
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.021 0.000 0.000
y 0.000 8.448 0.000
z 0.000 0.000 6.975


<r2> (average value of r2) Å2
<r2> 81.860
(<r2>)1/2 9.048