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All results from a given calculation for C2H5N (Aziridine)

using model chemistry: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-133.096365
Energy at 298.15K-133.102469
Nuclear repulsion energy74.960442
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 B1B95/3-21G*
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' 3377 3224 2.85      
2 A' 3268 3121 22.17      
3 A' 3168 3025 8.20      
4 A' 1550 1480 0.89      
5 A' 1303 1244 12.82      
6 A' 1182 1129 19.97      
7 A' 1103 1053 16.31      
8 A' 996 951 4.30      
9 A' 851 813 5.58      
10 A' 722 689 55.21      
11 A" 3253 3106 0.59      
12 A" 3160 3017 17.77      
13 A" 1532 1463 0.67      
14 A" 1281 1223 9.22      
15 A" 1167 1115 6.31      
16 A" 1116 1066 9.37      
17 A" 902 861 13.67      
18 A" 821 784 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 15375.5 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 14682.1 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 B1B95/3-21G*
ABC
0.72699 0.69764 0.43256

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.902 0.000
H2 0.913 1.298 0.000
C3 -0.039 -0.410 0.751
C4 -0.039 -0.410 -0.751
H5 -0.958 -0.615 1.281
H6 0.870 -0.732 1.248
H7 -0.958 -0.615 -1.281
H8 0.870 -0.732 -1.248

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.03061.51181.51182.18842.24772.18842.2477
H21.03062.09432.09432.96672.38292.96672.3829
C31.51182.09431.50141.08131.08432.23992.2187
C41.51182.09431.50142.23992.21871.08131.0843
H52.18842.96671.08132.23991.83202.56283.1228
H62.24772.38291.08432.21871.83203.12282.4956
H72.18842.96672.23991.08132.56283.12281.8320
H82.24772.38292.21871.08433.12282.49561.8320

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 60.227 N1 C3 H5 114.083
N1 C3 H6 119.026 N1 C4 C3 60.227
N1 C4 H7 114.083 N1 C4 H8 119.026
H2 N1 C3 109.462 H2 N1 C4 109.462
C3 N1 C4 59.545 C3 C4 H7 119.392
C3 C4 H8 117.286 C4 C3 H5 119.392
C4 C3 H6 117.286 H5 C3 H6 115.549
H7 C4 H8 115.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.534      
2 H 0.285      
3 C -0.329      
4 C -0.329      
5 H 0.238      
6 H 0.215      
7 H 0.238      
8 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.551 -1.329 0.000 2.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.392 2.300 0.000
y 2.300 -21.170 0.000
z 0.000 0.000 -18.291
Traceless
 xyz
x 2.338 2.300 0.000
y 2.300 -3.329 0.000
z 0.000 0.000 0.991
Polar
3z2-r21.981
x2-y23.778
xy2.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.487 0.243 0.000
y 0.243 3.281 0.000
z 0.000 0.000 4.160


<r2> (average value of r2) Å2
<r2> 40.435
(<r2>)1/2 6.359