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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-132.400305
Energy at 298.15K-132.402894
HF Energy-131.889570
Nuclear repulsion energy59.486134
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 QCISD/6-31G(2df,p)
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' 3544 3358 17.09      
2 A' 3227 3057 8.69      
3 A' 2143 2030 281.49      
4 A' 1464 1387 2.22      
5 A' 1162 1101 22.68      
6 A' 1068 1012 191.20      
7 A' 743 704 78.67      
8 A' 485 460 20.02      
9 A" 3324 3149 0.69      
10 A" 1021 967 0.01      
11 A" 932 883 50.63      
12 A" 422 399 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 9766.3 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 9252.6 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 QCISD/6-31G(2df,p)
ABC
6.70244 0.32216 0.31612

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 -1.253 0.000
C2 0.000 0.058 0.000
N3 -0.140 1.280 0.000
H4 0.044 -1.796 0.934
H5 0.044 -1.796 -0.934
H6 0.735 1.800 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.31102.53851.08001.08003.1347
C21.31101.23022.07572.07571.8914
N32.53851.23023.21953.21951.0180
H41.08002.07573.21951.86733.7789
H51.08002.07573.21951.86733.7789
H63.13471.89141.01803.77893.7789

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.604 C2 C1 H4 120.173
C2 C1 H5 120.173 C2 N3 H6 114.218
H4 C1 H5 119.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability