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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-131.410390
Energy at 298.15K-131.413077
HF Energy-131.133131
Nuclear repulsion energy59.329499
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 CISD/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' 3445 3219 8.01      
2 A' 3229 3018 5.09      
3 A' 2180 2037 245.37      
4 A' 1545 1444 5.80      
5 A' 1189 1111 6.56      
6 A' 1056 987 371.66      
7 A' 845 789 124.60      
8 A' 504 471 30.22      
9 A" 3310 3093 0.26      
10 A" 1112 1039 1.12      
11 A" 977 913 67.00      
12 A" 452 422 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 9921.3 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9270.5 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 CISD/3-21G*
ABC
6.98432 0.31959 0.31332

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.173 -1.246 0.000
C2 0.000 0.057 0.000
N3 0.077 1.283 0.000
H4 -0.249 -1.796 0.928
H5 -0.249 -1.796 -0.928
H6 0.992 1.746 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31422.54081.08131.08133.2107
C21.31421.22812.08732.08731.9589
N32.54081.22813.23203.23201.0252
H41.08132.08733.23201.85523.8664
H51.08132.08733.23201.85523.8664
H63.21071.95891.02523.86643.8664

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.067 C2 C1 H4 120.919
C2 C1 H5 120.919 C2 N3 H6 120.500
H4 C1 H5 118.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability