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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-22.758807
Energy at 298.15K-22.761272
HF Energy-22.344945
Nuclear repulsion energy31.437799
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 MP2/CEP-121G*
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' 3479 3315 13.55      
2 A' 3204 3053 7.11      
3 A' 2050 1953 271.73      
4 A' 1452 1383 4.47      
5 A' 1126 1072 33.37      
6 A' 1051 1002 204.64      
7 A' 647 617 124.10      
8 A' 435 415 21.39      
9 A" 3314 3158 0.31      
10 A" 1010 963 0.01      
11 A" 914 871 60.48      
12 A" 401 382 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 9541.1 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 9090.7 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 MP2/CEP-121G*
ABC
6.58408 0.31421 0.30849

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.349 -1.222 0.000
C2 0.000 0.061 0.000
N3 -0.477 1.214 0.000
H4 0.505 -1.740 0.939
H5 0.505 -1.740 -0.939
H6 0.237 1.952 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.32932.57181.08371.08373.1754
C21.32931.24772.09252.09251.9055
N32.57181.24773.25093.25091.0267
H41.08372.09253.25091.87843.8184
H51.08372.09253.25091.87843.8184
H63.17541.90551.02673.81843.8184

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.739 C2 C1 H4 119.922
C2 C1 H5 119.922 C2 N3 H6 113.469
H4 C1 H5 120.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability