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

using model chemistry: ROHF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at ROHF/6-311G*
 hartrees
Energy at 0K-208.237367
Energy at 298.15K 
HF Energy-208.237367
Nuclear repulsion energy151.931855
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 ROHF/6-311G*
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 3417 2923 4.80      
2 A1 3384 2895 6.42      
3 A1 1706 1460 0.01      
4 A1 1577 1349 23.40      
5 A1 1269 1086 0.47      
6 A1 1179 1008 32.21      
7 A1 1088 931 1.42      
8 A1 944 807 12.82      
9 A2 1036 886 0.00      
10 A2 867 742 0.00      
11 A2 556 475 0.00      
12 B1 878 751 11.30      
13 B1 779 667 74.19      
14 B1 591 506 19.82      
15 B2 3394 2904 33.52      
16 B2 3378 2890 23.07      
17 B2 1458 1248 72.32      
18 B2 1398 1196 20.69      
19 B2 1114 953 0.97      
20 B2 968 828 0.36      
21 B2 767i 656i 560.95      

Unscaled Zero Point Vibrational Energy (zpe) 15105.6 cm-1
Scaled (by 0.8556) Zero Point Vibrational Energy (zpe) 12924.3 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 ROHF/6-311G*
ABC
0.33845 0.29674 0.15811

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.235
C2 0.000 1.059 0.428
C3 0.000 -1.059 0.428
C4 0.000 0.669 -0.981
C5 0.000 -0.669 -0.981
H6 0.000 2.058 0.819
H7 0.000 -2.058 0.819
H8 0.000 1.336 -1.820
H9 0.000 -1.336 -1.820

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33181.33182.31482.31482.09982.09983.33423.3342
C21.33182.11821.46152.22971.07313.14192.26453.2844
C31.33182.11822.22971.46153.14191.07313.28442.2645
C42.31481.46152.22971.33862.27373.26811.07152.1736
C52.31482.22971.46151.33863.26812.27372.17361.0715
H62.09981.07313.14192.27373.26814.11652.73634.2994
H72.09983.14191.07313.26812.27374.11654.29942.7363
H83.33422.26453.28441.07152.17362.73634.29942.6717
H93.33423.28442.26452.17361.07154.29942.73632.6717

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 111.849 N1 C2 H6 121.278
N1 C3 C5 111.849 N1 C3 H7 121.278
C2 N1 C3 105.364 C2 C4 C5 105.469
C2 C4 H8 126.064 C3 C5 C4 105.469
C3 C5 H9 126.064 C4 C2 H6 126.873
C4 C5 H9 128.467 C5 C3 H7 126.873
C5 C4 H8 128.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.365      
2 C 0.001      
3 C 0.001      
4 C -0.279      
5 C -0.279      
6 H 0.230      
7 H 0.230      
8 H 0.230      
9 H 0.230      


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 -2.157 2.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.656 0.000 0.000
y 0.000 -23.034 0.000
z 0.000 0.000 -31.945
Traceless
 xyz
x -4.167 0.000 0.000
y 0.000 8.767 0.000
z 0.000 0.000 -4.600
Polar
3z2-r2-9.199
x2-y2-8.622
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> 81.300
(<r2>)1/2 9.017