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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-133.861859
Energy at 298.15K-133.868030
Nuclear repulsion energy76.303116
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/cc-pVDZ
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' 3519 3382 0.52      
2 A' 3222 3097 33.74      
3 A' 3126 3005 14.15      
4 A' 1509 1451 1.40      
5 A' 1306 1255 0.38      
6 A' 1256 1207 20.35      
7 A' 1111 1068 3.89      
8 A' 994 955 5.37      
9 A' 906 871 59.77      
10 A' 769 739 18.99      
11 A" 3208 3084 0.44      
12 A" 3119 2998 29.92      
13 A" 1461 1405 0.03      
14 A" 1260 1211 8.34      
15 A" 1135 1091 1.65      
16 A" 1089 1046 1.86      
17 A" 917 882 1.50      
18 A" 903 868 9.30      

Unscaled Zero Point Vibrational Energy (zpe) 15404.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14806.6 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 B1B95/cc-pVDZ
ABC
0.77201 0.70872 0.45280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.869 0.000
H2 0.904 1.258 0.000
C3 -0.038 -0.392 0.739
C4 -0.038 -0.392 -0.739
H5 -0.961 -0.605 1.283
H6 0.873 -0.712 1.250
H7 -0.961 -0.605 -1.283
H8 0.873 -0.712 -1.250

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.02021.46161.46162.16082.21202.16082.2120
H21.02022.03962.03962.93252.33392.93252.3339
C31.46162.03961.47891.09201.09302.23302.2120
C41.46162.03961.47892.23302.21201.09201.0930
H52.16082.93251.09202.23301.83822.56523.1295
H62.21202.33391.09302.21201.83823.12952.5007
H72.16082.93252.23301.09202.56523.12951.8382
H82.21202.33392.21201.09303.12952.50071.8382

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.607 N1 C3 H5 114.831
N1 C3 H6 119.272 N1 C4 C3 59.607
N1 C4 H7 114.831 N1 C4 H8 119.272
H2 N1 C3 109.244 H2 N1 C4 109.244
C3 N1 C4 60.787 C3 C4 H7 119.826
C3 C4 H8 117.868 C4 C3 H5 119.826
C4 C3 H6 117.868 H5 C3 H6 114.553
H7 C4 H8 114.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.213      
2 H 0.098      
3 C -0.019      
4 C -0.019      
5 H 0.044      
6 H 0.034      
7 H 0.044      
8 H 0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.265 -0.923 0.000 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.385 1.952 0.000
y 1.952 -20.728 0.000
z 0.000 0.000 -18.477
Traceless
 xyz
x 2.218 1.952 0.000
y 1.952 -2.797 0.000
z 0.000 0.000 0.580
Polar
3z2-r21.159
x2-y23.343
xy1.952
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.892 0.186 0.000
y 0.186 3.664 0.000
z 0.000 0.000 4.568


<r2> (average value of r2) Å2
<r2> 39.436
(<r2>)1/2 6.280