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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: QCISD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS NH down 1A'

Conformer 1 (CS NH up)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-133.731897
Energy at 298.15K-133.737346
HF Energy-133.126210
Nuclear repulsion energy70.710926
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(T)/aug-cc-pVTZ
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' 3401 3288        
2 A' 3119 3015        
3 A' 3086 2983        
4 A' 3025 2925        
5 A' 1686 1630        
6 A' 1491 1441        
7 A' 1426 1378        
8 A' 1402 1355        
9 A' 1276 1234        
10 A' 1070 1034        
11 A' 912 881        
12 A' 484 468        
13 A" 3096 2993        
14 A" 1484 1435        
15 A" 1130 1093        
16 A" 1071 1035        
17 A" 684 662        
18 A" 180 174        

Unscaled Zero Point Vibrational Energy (zpe) 15010.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 14512.3 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(T)/aug-cc-pVTZ
ABC
1.67020 0.32696 0.28804

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.026 -0.614 0.000
C2 0.000 0.487 0.000
N3 1.273 0.363 0.000
H4 -0.548 -1.596 0.000
H5 -1.670 -0.530 0.880
H6 -1.670 -0.530 -0.880
H7 -0.391 1.507 0.000
H8 1.523 -0.631 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50492.49771.09221.09391.09392.21372.5494
C21.50491.27912.15412.14402.14401.09231.8898
N32.49771.27912.67453.19853.19852.01981.0248
H41.09222.15412.67451.78051.78053.10692.2852
H51.09392.14403.19851.78051.76102.56053.3137
H61.09392.14403.19851.78051.76102.56053.3137
H72.21371.09232.01983.10692.56052.56052.8701
H82.54941.88981.02482.28523.31373.31372.8701

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.392 C1 C2 H7 116.024
C2 C1 H4 111.081 C2 C1 H5 110.166
C2 C1 H6 110.166 C2 N3 H8 109.727
N3 C2 H7 116.585 H4 C1 H5 109.067
H4 C1 H6 109.067 H5 C1 H6 107.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability