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=FULLultrafine/STO-3G

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=FULLultrafine/STO-3G
 hartrees
Energy at 0K-130.791460
Energy at 298.15K 
HF Energy-130.721414
Nuclear repulsion energy58.143805
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=FULLultrafine/STO-3G
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' 3496 3496 1.98      
2 A' 3432 3432 52.84      
3 A' 2193 2193 61.91      
4 A' 1582 1582 1.62      
5 A' 1187 1187 75.10      
6 A' 1162 1162 77.90      
7 A' 815 815 48.86      
8 A' 435 435 13.99      
9 A" 3579 3579 5.65      
10 A" 1092 1092 0.01      
11 A" 993 993 28.88      
12 A" 387 387 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 10175.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10175.8 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=FULLultrafine/STO-3G
ABC
6.28695 0.30900 0.30419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.742 -1.033 0.000
C2 0.000 0.061 0.000
N3 -0.883 0.981 0.000
H4 1.071 -1.491 0.938
H5 1.071 -1.491 -0.938
H6 -0.416 1.947 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.32232.58841.09381.09383.1972
C21.32231.27532.10572.10571.9311
N32.58841.27533.28753.28751.0724
H41.09382.10573.28751.87513.8608
H51.09382.10573.28751.87513.8608
H63.19721.93111.07243.86083.8608

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 170.340 C2 C1 H4 120.985
C2 C1 H5 120.985 C2 N3 H6 110.385
H4 C1 H5 118.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability