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All results from a given calculation for C2H5N (Aziridine)

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-132.278014
Energy at 298.15K-132.284279
Nuclear repulsion energy75.744185
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/3-21G
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' 3671 3324 1.22      
2 A' 3416 3094 28.28      
3 A' 3319 3006 7.87      
4 A' 1666 1509 1.15      
5 A' 1377 1247 17.41      
6 A' 1280 1159 16.33      
7 A' 1198 1085 1.67      
8 A' 1060 960 15.97      
9 A' 912 825 8.59      
10 A' 802 726 84.81      
11 A" 3400 3079 0.85      
12 A" 3308 2995 22.94      
13 A" 1644 1489 0.11      
14 A" 1387 1256 8.94      
15 A" 1275 1155 7.64      
16 A" 1257 1138 3.65      
17 A" 992 898 13.53      
18 A" 894 810 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 16427.7 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 14876.9 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/3-21G
ABC
0.74904 0.70629 0.43980

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.883 0.000
H2 0.861 1.339 0.000
C3 -0.037 -0.406 0.748
C4 -0.037 -0.406 -0.748
H5 -0.943 -0.613 1.278
H6 0.866 -0.710 1.242
H7 -0.943 -0.613 -1.278
H8 0.866 -0.710 -1.242

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.00771.49051.49052.16622.21232.16622.2123
H21.00772.10072.10072.94972.39592.94972.3959
C31.49052.10071.49691.06971.07292.22962.2065
C41.49052.10071.49692.22962.20651.06971.0729
H52.16622.94971.06972.22961.81202.55663.1036
H62.21232.39591.07292.20651.81203.10362.4835
H72.16622.94972.22961.06972.55663.10361.8120
H82.21232.39592.20651.07293.10362.48351.8120

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.857 N1 C3 H5 114.589
N1 C3 H6 118.407 N1 C4 C3 59.857
N1 C4 H7 114.589 N1 C4 H8 118.407
H2 N1 C3 113.051 H2 N1 C4 113.051
C3 N1 C4 60.287 C3 C4 H7 119.690
C3 C4 H8 117.372 C4 C3 H5 119.690
C4 C3 H6 117.372 H5 C3 H6 115.486
H7 C4 H8 115.486
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.640 -0.627   -0.673
2 H 0.306 0.379   0.419
3 C -0.293 -0.105   -0.216
4 C -0.293 -0.105   -0.216
5 H 0.242 0.126   0.181
6 H 0.218 0.102   0.162
7 H 0.242 0.126   0.181
8 H 0.218 0.102   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 -1.482 0.000 2.215
CHELPG 1.438 -1.257 0.000 1.910
AIM        
ESP 1.634 -1.487 0.000 2.209


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.790 2.513 0.000
y 2.513 -21.415 0.000
z 0.000 0.000 -18.455
Traceless
 xyz
x 2.145 2.513 0.000
y 2.513 -3.293 0.000
z 0.000 0.000 1.148
Polar
3z2-r22.295
x2-y23.625
xy2.513
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.300 0.254 0.000
y 0.254 3.158 0.000
z 0.000 0.000 4.122


<r2> (average value of r2) Å2
<r2> 40.112
(<r2>)1/2 6.333