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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP4=FULL/6-31G*

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 MP4=FULL/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-133.548401
Energy at 298.15K-133.553824
HF Energy-133.070088
Nuclear repulsion energy70.398747
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 MP4=FULL/6-31G*
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' 3363 3234        
2 A' 3144 3024        
3 A' 3114 2995        
4 A' 3051 2934        
5 A' 1703 1637        
6 A' 1528 1469        
7 A' 1456 1400        
8 A' 1440 1384        
9 A' 1308 1258        
10 A' 1088 1046        
11 A' 929 893        
12 A' 495 476        
13 A" 3128 3008        
14 A" 1518 1460        
15 A" 1155 1111        
16 A" 1096 1054        
17 A" 688 661        
18 A" 161 155        

Unscaled Zero Point Vibrational Energy (zpe) 15182.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 14599.1 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 MP4=FULL/6-31G*
ABC
1.67190 0.32305 0.28518

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.032 -0.614 0.000
C2 0.000 0.484 0.000
N3 1.281 0.368 0.000
H4 -0.556 -1.603 0.000
H5 -1.679 -0.533 0.884
H6 -1.679 -0.533 -0.884
H7 -0.393 1.508 0.000
H8 1.534 -0.633 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50672.51281.09761.09871.09872.21662.5661
C21.50671.28592.15962.15292.15291.09751.8973
N32.51281.28592.69443.21783.21782.02521.0326
H41.09762.15962.69441.78531.78533.11582.3043
H51.09872.15293.21781.78531.76892.56993.3338
H61.09872.15293.21781.78531.76892.56993.3338
H72.21661.09752.02523.11582.56992.56992.8807
H82.56611.89731.03262.30433.33383.33382.8807

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.082 C1 C2 H7 115.783
C2 C1 H4 111.066 C2 C1 H5 110.469
C2 C1 H6 110.469 C2 N3 H8 109.348
N3 C2 H7 116.134 H4 C1 H5 108.753
H4 C1 H6 108.753 H5 C1 H6 107.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability