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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP4/cc-pVDZ

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

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-133.580574
Energy at 298.15K-133.585984
HF Energy-133.083235
Nuclear repulsion energy70.075485
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/cc-pVDZ
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' 3378 3266        
2 A' 3145 3041        
3 A' 3096 2994        
4 A' 3043 2942        
5 A' 1688 1632        
6 A' 1470 1422        
7 A' 1425 1377        
8 A' 1386 1340        
9 A' 1277 1234        
10 A' 1065 1030        
11 A' 912 882        
12 A' 477 461        
13 A" 3129 3025        
14 A" 1465 1416        
15 A" 1140 1102        
16 A" 1058 1023        
17 A" 673 651        
18 A" 168 162        

Unscaled Zero Point Vibrational Energy (zpe) 14996.9 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 14500.5 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 MP4/cc-pVDZ
ABC
1.65066 0.32072 0.28296

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.032 -0.622 0.000
C2 0.000 0.487 0.000
N3 1.285 0.375 0.000
H4 -0.549 -1.616 0.000
H5 -1.684 -0.540 0.891
H6 -1.684 -0.540 -0.891
H7 -0.403 1.519 0.000
H8 1.518 -0.636 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51482.52271.10591.10701.10702.23072.5499
C21.51481.29022.17392.16472.16471.10771.8878
N32.52271.29022.70753.23263.23262.03971.0369
H41.10592.17392.70751.80001.80003.13842.2876
H51.10702.16473.23261.80001.78182.58343.3249
H61.10702.16473.23261.80001.78182.58343.3249
H72.23071.10772.03973.13842.58342.58342.8865
H82.54991.88781.03692.28763.32493.32492.8865

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.971 C1 C2 H7 115.683
C2 C1 H4 111.140 C2 C1 H5 110.348
C2 C1 H6 110.348 C2 N3 H8 107.929
N3 C2 H7 116.347 H4 C1 H5 108.860
H4 C1 H6 108.860 H5 C1 H6 107.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability