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: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-132.578963
Energy at 298.15K-132.581506
HF Energy-132.431904
Nuclear repulsion energy59.372111
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 B2PLYP=FULL/6-31G**
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' 3517 3517 9.39      
2 A' 3227 3227 7.55      
3 A' 2137 2137 292.17      
4 A' 1469 1469 3.08      
5 A' 1170 1170 23.02      
6 A' 1046 1046 205.83      
7 A' 710 710 93.65      
8 A' 468 468 20.76      
9 A" 3321 3321 0.24      
10 A" 1016 1016 0.34      
11 A" 917 917 56.51      
12 A" 416 416 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 9707.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9707.4 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 B2PLYP=FULL/6-31G**
ABC
6.74743 0.32063 0.31462

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.253 0.000
C2 0.000 0.058 0.000
N3 -0.207 1.273 0.000
H4 0.135 -1.796 0.932
H5 0.135 -1.796 -0.932
H6 0.631 1.855 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31432.54321.07981.07983.1546
C21.31431.23212.07992.07991.9044
N32.54321.23213.22563.22561.0199
H41.07982.07993.22561.86433.8008
H51.07982.07993.22561.86433.8008
H63.15461.90441.01993.80083.8008

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.307 C2 C1 H4 120.313
C2 C1 H5 120.313 C2 N3 H6 115.161
H4 C1 H5 119.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability