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 H2CCNH (Ethenimine)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.597451
Energy at 298.15K-132.599932
HF Energy-132.597451
Nuclear repulsion energy59.335879
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 PBEPBE/6-311+G(3df,2p)
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' 3395 3367 14.08      
2 A' 3098 3073 10.25      
3 A' 2075 2058 374.16      
4 A' 1379 1368 6.53      
5 A' 1137 1128 15.30      
6 A' 988 980 196.29      
7 A' 658 653 88.80      
8 A' 468 464 20.57      
9 A" 3182 3156 1.52      
10 A" 955 947 0.00      
11 A" 870 863 48.99      
12 A" 406 403 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 9305.9 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 9229.6 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 PBEPBE/6-311+G(3df,2p)
ABC
6.72540 0.32084 0.31461

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.247 -1.231 0.000
C2 0.000 0.060 0.000
N3 -0.368 1.232 0.000
H4 0.361 -1.770 0.938
H5 0.361 -1.770 -0.938
H6 0.370 1.946 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31392.53831.08811.08813.1790
C21.31391.22862.08782.08781.9221
N32.53831.22863.22863.22861.0263
H41.08812.08783.22861.87613.8328
H51.08812.08783.22861.87613.8328
H63.17901.92211.02633.83283.8328

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.427 C2 C1 H4 120.439
C2 C1 H5 120.439 C2 N3 H6 116.663
H4 C1 H5 119.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 C 0.626      
3 N -0.874      
4 H 0.150      
5 H 0.150      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.389 -0.103 0.000 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.750 2.036 0.000
y 2.036 -15.367 0.000
z 0.000 0.000 -17.544
Traceless
 xyz
x -4.294 2.036 0.000
y 2.036 3.780 0.000
z 0.000 0.000 0.514
Polar
3z2-r21.028
x2-y2-5.383
xy2.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.111 -0.808 0.000
y -0.808 8.205 0.000
z 0.000 0.000 3.686


<r2> (average value of r2) Å2
<r2> 44.430
(<r2>)1/2 6.666