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

using model chemistry: B2PLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B2PLYP/TZVP
 hartrees
Energy at 0K-209.362155
Energy at 298.15K-209.366594
HF Energy-209.131557
Nuclear repulsion energy151.169752
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 B2PLYP/TZVP
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 3282 3133 1.02      
2 A1 3241 3093 0.81      
3 A1 1566 1495 1.82      
4 A1 1445 1379 21.93      
5 A1 1214 1159 4.95      
6 A1 1101 1051 43.17      
7 A1 1058 1010 0.76      
8 A1 890 849 9.26      
9 A2 823 786 0.00      
10 A2 726 693 0.00      
11 A2 435 415 0.00      
12 B1 795 759 0.21      
13 B1 696 664 73.03      
14 B1 538 513 21.53      
15 B2 3263 3115 4.33      
16 B2 3236 3089 13.69      
17 B2 1377 1314 38.88      
18 B2 1313 1253 0.05      
19 B2 1079 1030 13.89      
20 B2 958 914 0.44      
21 B2 707 675 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 14871.4 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 14193.3 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 B2PLYP/TZVP
ABC
0.33399 0.29515 0.15669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.245
C2 0.000 1.062 0.423
C3 0.000 -1.062 0.423
C4 0.000 0.680 -0.981
C5 0.000 -0.680 -0.981
H6 0.000 2.068 0.817
H7 0.000 -2.068 0.817
H8 0.000 1.351 -1.825
H9 0.000 -1.351 -1.825

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34271.34272.32782.32782.11192.11193.35373.3537
C21.34272.12421.45582.23801.08053.15502.26663.2978
C31.34272.12422.23801.45583.15501.08053.29782.2666
C42.32781.45582.23801.36022.27213.28471.07742.1988
C52.32782.23801.45581.36023.28472.27212.19881.0774
H62.11191.08053.15502.27213.28474.13632.73804.3208
H72.11193.15501.08053.28472.27214.13634.32082.7380
H83.35372.26663.29781.07742.19882.73804.32082.7010
H93.35373.29782.26662.19881.07744.32082.73802.7010

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 112.508 N1 C2 H6 120.889
N1 C3 C5 112.508 N1 C3 H7 120.889
C2 N1 C3 104.560 C2 C4 C5 105.212
C2 C4 H8 126.310 C3 C5 C4 105.212
C3 C5 H9 126.310 C4 C2 H6 126.604
C4 C5 H9 128.478 C5 C3 H7 126.604
C5 C4 H8 128.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.122      
2 C -0.083      
3 C -0.083      
4 C -0.115      
5 C -0.115      
6 H 0.123      
7 H 0.123      
8 H 0.136      
9 H 0.136      


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 -2.142 2.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.652 0.000 0.000
y 0.000 -23.524 0.000
z 0.000 0.000 -32.473
Traceless
 xyz
x -3.653 0.000 0.000
y 0.000 8.538 0.000
z 0.000 0.000 -4.885
Polar
3z2-r2-9.770
x2-y2-8.128
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.249 0.000 0.000
y 0.000 8.583 0.000
z 0.000 0.000 7.518


<r2> (average value of r2) Å2
<r2> 82.090
(<r2>)1/2 9.060