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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-209.446169
Energy at 298.15K-209.450711
HF Energy-209.446169
Nuclear repulsion energy150.664448
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3269 3154 1.30      
2 A1 3213 3100 1.85      
3 A1 1577 1522 0.61      
4 A1 1459 1408 25.66      
5 A1 1208 1166 1.74      
6 A1 1091 1053 38.08      
7 A1 1043 1006 1.31      
8 A1 873 843 11.99      
9 A2 913 881 0.00      
10 A2 825 797 0.00      
11 A2 490 473 0.00      
12 B1 840 810 0.74      
13 B1 712 688 52.56      
14 B1 540 521 20.08      
15 B2 3247 3133 4.59      
16 B2 3209 3097 17.91      
17 B2 1351 1303 50.75      
18 B2 1277 1232 0.00      
19 B2 1089 1051 5.22      
20 B2 937 904 0.08      
21 B2 684 660 4.75      

Unscaled Zero Point Vibrational Energy (zpe) 14922.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14400.4 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 B3PW91/cc-pVDZ
ABC
0.33299 0.29250 0.15572

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.251
C2 0.000 1.061 0.425
C3 0.000 -1.061 0.425
C4 0.000 0.682 -0.985
C5 0.000 -0.682 -0.985
H6 0.000 2.079 0.821
H7 0.000 -2.079 0.821
H8 0.000 1.359 -1.837
H9 0.000 -1.359 -1.837

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34501.34502.33782.33782.12322.12323.37423.3742
C21.34502.12221.45972.24171.09283.16542.28123.3128
C31.34502.12222.24171.45973.16541.09283.31282.2812
C42.33781.45972.24171.36392.28393.29971.08862.2121
C52.33782.24171.45971.36393.29972.28392.21211.0886
H62.12321.09283.16542.28393.29974.15862.75434.3467
H72.12323.16541.09283.29972.28394.15864.34672.7543
H83.37422.28123.31281.08862.21212.75434.34672.7190
H93.37423.31282.28122.21211.08864.34672.75432.7190

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 112.861 N1 C2 H6 120.786
N1 C3 C5 112.861 N1 C3 H7 120.786
C2 N1 C3 104.168 C2 C4 C5 105.055
C2 C4 H8 126.452 C3 C5 C4 105.055
C3 C5 H9 126.452 C4 C2 H6 126.353
C4 C5 H9 128.493 C5 C3 H7 126.353
C5 C4 H8 128.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.232      
2 C 0.115      
3 C 0.115      
4 C -0.040      
5 C -0.040      
6 H 0.030      
7 H 0.030      
8 H 0.012      
9 H 0.012      


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 -1.893 1.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.785 0.000 0.000
y 0.000 -23.148 0.000
z 0.000 0.000 -31.132
Traceless
 xyz
x -3.645 0.000 0.000
y 0.000 7.811 0.000
z 0.000 0.000 -4.166
Polar
3z2-r2-8.332
x2-y2-7.637
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.019 0.000 0.000
y 0.000 8.474 0.000
z 0.000 0.000 7.014


<r2> (average value of r2) Å2
<r2> 82.009
(<r2>)1/2 9.056