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: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-133.800756
Energy at 298.15K-133.806919
Nuclear repulsion energy75.654239
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 B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3500 3338 0.99      
2 A' 3267 3116 36.86      
3 A' 3166 3020 14.86      
4 A' 1559 1487 0.69      
5 A' 1304 1244 1.16      
6 A' 1235 1178 21.50      
7 A' 1137 1084 9.87      
8 A' 1001 954 4.36      
9 A' 868 827 24.54      
10 A' 755 720 74.36      
11 A" 3253 3102 1.28      
12 A" 3157 3011 23.65      
13 A" 1538 1466 0.59      
14 A" 1293 1233 9.93      
15 A" 1175 1121 10.50      
16 A" 1149 1096 2.38      
17 A" 936 893 16.48      
18 A" 877 836 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 15583.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 14862.2 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 B1B95/6-31G
ABC
0.75148 0.70312 0.44047

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.879 0.000
H2 0.869 1.348 0.000
C3 -0.037 -0.402 0.747
C4 -0.037 -0.402 -0.747
H5 -0.949 -0.612 1.292
H6 0.869 -0.725 1.250
H7 -0.949 -0.612 -1.292
H8 0.869 -0.725 -1.250

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.02031.48261.48262.17292.22602.17292.2260
H21.02032.10722.10722.96862.42022.96862.4202
C31.48262.10721.49421.08221.08562.24312.2166
C41.48262.10721.49422.24312.21661.08221.0856
H52.17292.96861.08222.24311.82172.58343.1267
H62.22602.42021.08562.21661.82173.12672.4996
H72.17292.96862.24311.08222.58343.12671.8217
H82.22602.42022.21661.08563.12672.49961.8217

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.742 N1 C3 H5 114.914
N1 C3 H6 119.358 N1 C4 C3 59.742
N1 C4 H7 114.914 N1 C4 H8 119.358
H2 N1 C3 113.391 H2 N1 C4 113.391
C3 N1 C4 60.516 C3 C4 H7 120.212
C3 C4 H8 117.584 C4 C3 H5 120.212
C4 C3 H6 117.584 H5 C3 H6 114.350
H7 C4 H8 114.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.538      
2 H 0.294      
3 C -0.223      
4 C -0.223      
5 H 0.183      
6 H 0.162      
7 H 0.183      
8 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.646 -1.272 0.000 2.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.633 2.566 0.000
y 2.566 -20.962 0.000
z 0.000 0.000 -18.281
Traceless
 xyz
x 1.989 2.566 0.000
y 2.566 -3.005 0.000
z 0.000 0.000 1.016
Polar
3z2-r22.032
x2-y23.329
xy2.566
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.637 0.219 0.000
y 0.219 3.554 0.000
z 0.000 0.000 4.341


<r2> (average value of r2) Å2
<r2> 40.052
(<r2>)1/2 6.329