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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-206.743787
Energy at 298.15K-206.748249
HF Energy-206.743787
Nuclear repulsion energy147.738277
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 BLYP/STO-3G
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 3426 3170 1.57      
2 A1 3388 3135 30.72      
3 A1 1472 1362 1.73      
4 A1 1377 1274 0.23      
5 A1 1154 1068 1.02      
6 A1 1102 1019 0.20      
7 A1 998 923 11.34      
8 A1 855 791 3.50      
9 A2 950 879 0.00      
10 A2 782 724 0.00      
11 A2 606 561 0.00      
12 B1 1079 998 29.41      
13 B1 739 684 17.76      
14 B1 637 590 33.08      
15 B2 3418 3162 52.89      
16 B2 3369 3117 0.71      
17 B2 1506 1394 14.08      
18 B2 1350 1249 1.18      
19 B2 1244 1151 0.67      
20 B2 1080 999 8.61      
21 B2 822 761 7.06      

Unscaled Zero Point Vibrational Energy (zpe) 15676.7 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 14504.1 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 BLYP/STO-3G
ABC
0.32099 0.28228 0.15020

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.182
C2 0.000 1.184 0.405
C3 0.000 -1.184 0.405
C4 0.000 0.722 -0.934
C5 0.000 -0.722 -0.934
H6 0.000 2.189 0.855
H7 0.000 -2.189 0.855
H8 0.000 1.385 -1.815
H9 0.000 -1.385 -1.815

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.41681.41682.23652.23652.21352.21353.30233.3023
C21.41682.36881.41662.33001.10103.40352.22913.3960
C31.41682.36882.33001.41663.40351.10103.39602.2291
C42.23651.41662.33001.44472.31373.41741.10262.2845
C52.23652.33001.41661.44473.41742.31372.28451.1026
H62.21351.10103.40352.31373.41744.37832.78864.4618
H72.21353.40351.10103.41742.31374.37834.46182.7886
H83.30232.22913.39601.10262.28452.78864.46182.7709
H93.30233.39602.22912.28451.10264.46182.78862.7709

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 104.245 N1 C2 H6 122.580
N1 C3 C5 104.245 N1 C3 H7 122.580
C2 N1 C3 113.433 C2 C4 C5 109.038
C2 C4 H8 123.991 C3 C5 C4 109.038
C3 C5 H9 123.991 C4 C2 H6 133.174
C4 C5 H9 126.971 C5 C3 H7 133.174
C5 C4 H8 126.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.083      
2 C -0.035      
3 C -0.035      
4 C -0.103      
5 C -0.103      
6 H 0.098      
7 H 0.098      
8 H 0.082      
9 H 0.082      


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 0.380 0.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.139 0.000 0.000
y 0.000 -23.449 0.000
z 0.000 0.000 -25.175
Traceless
 xyz
x -4.826 0.000 0.000
y 0.000 3.708 0.000
z 0.000 0.000 1.119
Polar
3z2-r22.238
x2-y2-5.689
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 82.988
(<r2>)1/2 9.110