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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-208.317942
Energy at 298.15K-208.322307
HF Energy-208.317942
Nuclear repulsion energy151.136257
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/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 3205 3145 0.45      
2 A1 3146 3087 1.35      
3 A1 1559 1529 0.01      
4 A1 1444 1417 26.54      
5 A1 1202 1180 1.73      
6 A1 1085 1065 35.10      
7 A1 1036 1017 5.08      
8 A1 857 841 11.62      
9 A2 869 853 0.00      
10 A2 760 746 0.00      
11 A2 420 412 0.00      
12 B1 818 802 0.51      
13 B1 684 671 51.20      
14 B1 519 509 23.17      
15 B2 3186 3127 2.23      
16 B2 3143 3084 16.38      
17 B2 1340 1315 52.03      
18 B2 1259 1235 0.26      
19 B2 1116 1095 6.34      
20 B2 929 912 0.32      
21 B2 677 664 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 14626.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 14352.9 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 LSDA/6-31G*
ABC
0.33458 0.29517 0.15682

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.247
C2 0.000 1.057 0.421
C3 0.000 -1.057 0.421
C4 0.000 0.681 -0.979
C5 0.000 -0.681 -0.979
H6 0.000 2.078 0.820
H7 0.000 -2.078 0.820
H8 0.000 1.360 -1.834
H9 0.000 -1.360 -1.834

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34101.34102.32802.32802.12122.12123.36753.3675
C21.34102.11361.44992.23231.09643.16012.27543.3058
C31.34102.11362.23231.44993.16011.09643.30582.2754
C42.32801.44992.23231.36302.27803.29451.09142.2135
C52.32802.23231.44991.36303.29452.27802.21351.0914
H62.12121.09643.16012.27803.29454.15582.74964.3437
H72.12123.16011.09643.29452.27804.15584.34372.7496
H83.36752.27543.30581.09142.21352.74964.34372.7208
H93.36753.30582.27542.21351.09144.34372.74962.7208

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 112.991 N1 C2 H6 120.647
N1 C3 C5 112.991 N1 C3 H7 120.647
C2 N1 C3 104.012 C2 C4 C5 105.003
C2 C4 H8 126.530 C3 C5 C4 105.003
C3 C5 H9 126.530 C4 C2 H6 126.362
C4 C5 H9 128.467 C5 C3 H7 126.362
C5 C4 H8 128.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.358      
2 C 0.000      
3 C 0.000      
4 C -0.167      
5 C -0.167      
6 H 0.176      
7 H 0.176      
8 H 0.169      
9 H 0.169      


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 -1.996 1.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.616 0.000 0.000
y 0.000 -22.983 0.000
z 0.000 0.000 -30.939
Traceless
 xyz
x -3.655 0.000 0.000
y 0.000 7.795 0.000
z 0.000 0.000 -4.140
Polar
3z2-r2-8.280
x2-y2-7.633
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.679 0.000 0.000
y 0.000 8.196 0.000
z 0.000 0.000 6.963


<r2> (average value of r2) Å2
<r2> 81.501
(<r2>)1/2 9.028