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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP4=FULL/3-21G

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/3-21G
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-132.656172
Energy at 298.15K-132.661577
HF Energy-132.318593
Nuclear repulsion energy69.642650
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3184 3117        
2 A' 3099 3034        
3 A' 3077 3012        
4 A' 3019 2955        
5 A' 1612 1578        
6 A' 1549 1516        
7 A' 1457 1426        
8 A' 1452 1422        
9 A' 1297 1269        
10 A' 1080 1057        
11 A' 870 851        
12 A' 482 471        
13 A" 3088 3022        
14 A" 1556 1523        
15 A" 1161 1136        
16 A" 1111 1088        
17 A" 695 680        
18 A" 153 150        

Unscaled Zero Point Vibrational Energy (zpe) 14970.4 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 14653.0 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/3-21G
ABC
1.65180 0.31380 0.27759

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.050 -0.626 0.000
C2 0.000 0.489 0.000
N3 1.294 0.378 0.000
H4 -0.562 -1.612 0.000
H5 -1.692 -0.546 0.891
H6 -1.692 -0.546 -0.891
H7 -0.406 1.506 0.000
H8 1.597 -0.622 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.53202.55051.10031.10041.10042.22742.6472
C21.53201.29862.17472.17382.17381.09501.9451
N32.55051.29862.72133.24973.24972.03971.0451
H41.10032.17472.72131.79071.79073.12182.3748
H51.10042.17383.24971.79071.78132.57993.4078
H61.10042.17383.24971.79071.78132.57993.4078
H72.22741.09502.03973.12182.57992.57992.9220
H82.64721.94511.04512.37483.40783.40782.9220

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.412 C1 C2 H7 114.952
C2 C1 H4 110.339 C2 C1 H5 110.263
C2 C1 H6 110.263 C2 N3 H8 111.726
N3 C2 H7 116.637 H4 C1 H5 108.924
H4 C1 H6 108.924 H5 C1 H6 108.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability