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

using model chemistry: TPSSh/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-209.533406
Energy at 298.15K-209.537910
HF Energy-209.533406
Nuclear repulsion energy150.584022
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 TPSSh/6-31G**
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 3269 3134 3.86      
2 A1 3217 3084 5.00      
3 A1 1576 1511 0.82      
4 A1 1454 1394 23.25      
5 A1 1205 1155 3.03      
6 A1 1102 1056 35.86      
7 A1 1054 1010 0.22      
8 A1 867 832 11.73      
9 A2 901 864 0.00      
10 A2 818 784 0.00      
11 A2 485 465 0.00      
12 B1 829 794 1.12      
13 B1 716 687 51.89      
14 B1 536 514 21.05      
15 B2 3248 3114 9.68      
16 B2 3213 3080 25.85      
17 B2 1368 1311 44.57      
18 B2 1305 1251 0.01      
19 B2 1077 1032 8.45      
20 B2 941 902 0.04      
21 B2 671 643 4.22      

Unscaled Zero Point Vibrational Energy (zpe) 14924.2 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 14307.9 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 TPSSh/6-31G**
ABC
0.33275 0.29182 0.15547

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.255
C2 0.000 1.063 0.424
C3 0.000 -1.063 0.424
C4 0.000 0.682 -0.986
C5 0.000 -0.682 -0.986
H6 0.000 2.074 0.817
H7 0.000 -2.074 0.817
H8 0.000 1.356 -1.832
H9 0.000 -1.356 -1.832

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34951.34952.34302.34302.12012.12013.37213.3721
C21.34952.12581.46052.24341.08543.16192.27473.3078
C31.34952.12582.24341.46053.16191.08543.30782.2747
C42.34301.46052.24341.36412.27853.29411.08172.2070
C52.34302.24341.46051.36413.29412.27852.20701.0817
H62.12011.08543.16192.27853.29414.14882.74484.3347
H72.12013.16191.08543.29412.27854.14884.33472.7448
H83.37212.27473.30781.08172.20702.74484.33472.7130
H93.37213.30782.27472.20701.08174.33472.74482.7130

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 112.924 N1 C2 H6 120.701
N1 C3 C5 112.924 N1 C3 H7 120.701
C2 N1 C3 103.922 C2 C4 C5 105.115
C2 C4 H8 126.313 C3 C5 C4 105.115
C3 C5 H9 126.313 C4 C2 H6 126.375
C4 C5 H9 128.573 C5 C3 H7 126.375
C5 C4 H8 128.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.441      
2 C 0.094      
3 C 0.094      
4 C -0.142      
5 C -0.142      
6 H 0.137      
7 H 0.137      
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 -2.321 2.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.703 0.000 0.000
y 0.000 8.261 0.000
z 0.000 0.000 6.932


<r2> (average value of r2) Å2
<r2> 81.941
(<r2>)1/2 9.052