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All results from a given calculation for CH3CHNH (ethanimine)

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

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-133.720764
Energy at 298.15K-133.726207
HF Energy-133.124084
Nuclear repulsion energy70.765299
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 CCSD(T)/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' 3405 3319        
2 A' 3123 3045        
3 A' 3090 3012        
4 A' 3031 2955        
5 A' 1697 1654        
6 A' 1487 1450        
7 A' 1433 1397        
8 A' 1399 1364        
9 A' 1285 1253        
10 A' 1071 1044        
11 A' 914 891        
12 A' 486 474        
13 A" 3102 3023        
14 A" 1480 1443        
15 A" 1140 1111        
16 A" 1072 1045        
17 A" 689 671        
18 A" 173 169        

Unscaled Zero Point Vibrational Energy (zpe) 15038.6 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 14659.6 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 CCSD(T)/cc-pVTZ
ABC
1.67401 0.32736 0.28842

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.024 -0.615 0.000
C2 0.000 0.487 0.000
N3 1.272 0.366 0.000
H4 -0.545 -1.596 0.000
H5 -1.668 -0.535 0.879
H6 -1.668 -0.535 -0.879
H7 -0.396 1.505 0.000
H8 1.515 -0.630 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50452.49651.09151.09311.09312.21112.5385
C21.50451.27782.15362.14442.14441.09171.8818
N32.49651.27782.67423.19783.19782.01951.0243
H41.09152.15362.67421.77811.77813.10462.2754
H51.09312.14443.19781.77811.75902.55923.3031
H61.09312.14443.19781.77811.75902.55923.3031
H72.21111.09172.01953.10462.55922.55922.8643
H82.53851.88181.02432.27543.30313.30312.8643

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.421 C1 C2 H7 115.872
C2 C1 H4 111.114 C2 C1 H5 110.286
C2 C1 H6 110.286 C2 N3 H8 109.165
N3 C2 H7 116.707 H4 C1 H5 108.957
H4 C1 H6 108.957 H5 C1 H6 107.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability