return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H5N (Aziridine)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-133.742954
Energy at 298.15K-133.749055
HF Energy-133.742954
Nuclear repulsion energy75.624771
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3381 3326 1.88      
2 A' 3143 3091 38.94      
3 A' 3057 3007 18.74      
4 A' 1505 1481 1.35      
5 A' 1288 1267 3.59      
6 A' 1223 1203 18.54      
7 A' 1086 1068 9.32      
8 A' 987 970 4.74      
9 A' 868 854 46.54      
10 A' 747 735 26.90      
11 A" 3129 3078 0.84      
12 A" 3053 3002 33.65      
13 A" 1475 1450 0.03      
14 A" 1250 1229 8.60      
15 A" 1122 1103 2.76      
16 A" 1061 1043 3.43      
17 A" 894 879 11.22      
18 A" 861 847 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 15063.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 14815.3 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 PBEPBEultrafine/6-31G*
ABC
0.75487 0.69907 0.44386

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.880 0.000
H2 0.914 1.270 0.000
C3 -0.039 -0.398 0.745
C4 -0.039 -0.398 -0.745
H5 -0.965 -0.607 1.293
H6 0.875 -0.721 1.260
H7 -0.965 -0.607 -1.293
H8 0.875 -0.721 -1.260

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.02891.47951.47952.17742.23312.17742.2331
H21.02892.05992.05992.95332.35632.95332.3563
C31.47952.05991.48961.09601.09752.24782.2266
C41.47952.05991.48962.24782.22661.09601.0975
H52.17742.95331.09602.24781.84342.58553.1485
H62.23312.35631.09752.22661.84343.14852.5197
H72.17742.95332.24781.09602.58553.14851.8434
H82.23312.35632.22661.09753.14852.51971.8434

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.775 N1 C3 H5 114.615
N1 C3 H6 119.383 N1 C4 C3 59.775
N1 C4 H7 114.615 N1 C4 H8 119.383
H2 N1 C3 109.082 H2 N1 C4 109.082
C3 N1 C4 60.451 C3 C4 H7 119.996
C3 C4 H8 117.989 C4 C3 H5 119.996
C4 C3 H6 117.989 H5 C3 H6 114.362
H7 C4 H8 114.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.495      
2 H 0.307      
3 C -0.237      
4 C -0.237      
5 H 0.173      
6 H 0.158      
7 H 0.173      
8 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.373 -1.045 0.000 1.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.400 2.096 -0.000
y 2.096 -20.931 -0.005
z -0.000 -0.005 -18.406
Traceless
 xyz
x 2.269 2.096 -0.000
y 2.096 -3.028 -0.005
z -0.000 -0.005 0.760
Polar
3z2-r21.519
x2-y23.531
xy2.096
xz-0.000
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.879 0.208 0.000
y 0.208 3.624 -0.005
z 0.000 -0.005 4.469


<r2> (average value of r2) Å2
<r2> 39.957
(<r2>)1/2 6.321