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All results from a given calculation for C2H5N (Aziridine)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-132.985142
Energy at 298.15K-132.991433
Nuclear repulsion energy75.905019
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 HF/SDD
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' 3793 3416 3.02      
2 A' 3440 3097 56.51      
3 A' 3333 3001 20.47      
4 A' 1666 1500 0.94      
5 A' 1370 1234 6.97      
6 A' 1333 1200 18.52      
7 A' 1237 1114 0.98      
8 A' 1061 955 16.09      
9 A' 919 828 48.64      
10 A' 843 759 96.03      
11 A" 3425 3084 1.71      
12 A" 3319 2988 46.07      
13 A" 1638 1475 1.35      
14 A" 1389 1250 10.59      
15 A" 1285 1157 10.85      
16 A" 1263 1137 0.07      
17 A" 1013 912 15.22      
18 A" 927 834 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 16626.9 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 14970.9 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 HF/SDD
ABC
0.75972 0.70387 0.44059

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.872 0.000
H2 0.830 1.376 0.000
C3 -0.036 -0.403 0.750
C4 -0.036 -0.403 -0.750
H5 -0.939 -0.615 1.285
H6 0.863 -0.705 1.255
H7 -0.939 -0.615 -1.285
H8 0.863 -0.705 -1.255

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.00241.47921.47922.16282.20662.16282.2066
H21.00242.11662.11662.95772.43072.95772.4307
C31.47922.11661.50041.07081.07432.23662.2183
C41.47922.11661.50042.23662.21831.07081.0743
H52.16282.95771.07082.23661.80462.56963.1157
H62.20662.43071.07432.21831.80463.11572.5104
H72.16282.95772.23661.07082.56963.11571.8046
H82.20662.43072.21831.07433.11572.51041.8046

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.524 N1 C3 H5 115.086
N1 C3 H6 118.712 N1 C4 C3 59.524
N1 C4 H7 115.086 N1 C4 H8 118.712
H2 N1 C3 115.722 H2 N1 C4 115.722
C3 N1 C4 60.953 C3 C4 H7 119.949
C3 C4 H8 118.038 C4 C3 H5 119.949
C4 C3 H6 118.038 H5 C3 H6 114.552
H7 C4 H8 114.552
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.495      
2 H 0.287      
3 C -0.287      
4 C -0.287      
5 H 0.206      
6 H 0.185      
7 H 0.206      
8 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.747 -1.462 0.000 2.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.964 2.767 0.000
y 2.767 -21.602 0.000
z 0.000 0.000 -18.460
Traceless
 xyz
x 2.067 2.767 0.000
y 2.767 -3.390 0.000
z 0.000 0.000 1.323
Polar
3z2-r22.645
x2-y23.638
xy2.767
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.365 0.234 0.000
y 0.234 3.628 0.000
z 0.000 0.000 4.362


<r2> (average value of r2) Å2
<r2> 40.169
(<r2>)1/2 6.338