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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-209.527758
Energy at 298.15K-209.532247
HF Energy-209.527758
Nuclear repulsion energy150.565416
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 3272 3139 4.45      
2 A1 3224 3093 5.36      
3 A1 1578 1514 0.88      
4 A1 1456 1397 23.14      
5 A1 1206 1157 3.08      
6 A1 1104 1060 36.00      
7 A1 1056 1013 0.24      
8 A1 868 833 11.63      
9 A2 897 861 0.00      
10 A2 816 782 0.00      
11 A2 485 465 0.00      
12 B1 825 792 1.24      
13 B1 715 686 53.59      
14 B1 537 515 21.28      
15 B2 3252 3120 12.33      
16 B2 3220 3090 26.69      
17 B2 1371 1316 44.83      
18 B2 1309 1256 0.01      
19 B2 1078 1034 8.56      
20 B2 943 905 0.05      
21 B2 672 645 4.24      

Unscaled Zero Point Vibrational Energy (zpe) 14943.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 14336.6 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
0.33274 0.29171 0.15544

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 0.423
C3 0.000 -1.063 0.423
C4 0.000 0.682 -0.987
C5 0.000 -0.682 -0.987
H6 0.000 2.074 0.819
H7 0.000 -2.074 0.819
H8 0.000 1.357 -1.833
H9 0.000 -1.357 -1.833

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34951.34952.34342.34342.11962.11963.37303.3730
C21.34952.12561.46062.24361.08583.16172.27533.3087
C31.34952.12562.24361.46063.16171.08583.30872.2753
C42.34341.46062.24361.36442.27963.29491.08242.2080
C52.34342.24361.46061.36443.29492.27962.20801.0824
H62.11961.08583.16172.27963.29494.14822.74654.3364
H72.11963.16171.08583.29492.27964.14824.33642.7465
H83.37302.27533.30871.08242.20802.74654.33642.7146
H93.37303.30872.27532.20801.08244.33642.74652.7146

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 112.942 N1 C2 H6 120.613
N1 C3 C5 112.942 N1 C3 H7 120.613
C2 N1 C3 103.908 C2 C4 C5 105.104
C2 C4 H8 126.308 C3 C5 C4 105.104
C3 C5 H9 126.308 C4 C2 H6 126.445
C4 C5 H9 128.588 C5 C3 H7 126.445
C5 C4 H8 128.588
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 -0.424      
2 C 0.045      
3 C 0.045      
4 C -0.182      
5 C -0.182      
6 H 0.177      
7 H 0.177      
8 H 0.172      
9 H 0.172      


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 -2.294 2.294
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 2.658 0.000 0.000
y 0.000 8.197 0.000
z 0.000 0.000 6.889


<r2> (average value of r2) Å2
<r2> 81.957
(<r2>)1/2 9.053