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All results from a given calculation for CH3CHNH (ethanimine)

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

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-133.581601
Energy at 298.15K-133.587012
HF Energy-133.083366
Nuclear repulsion energy70.095320
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-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' 3371 3299        
2 A' 3138 3072        
3 A' 3095 3029        
4 A' 3038 2973        
5 A' 1702 1666        
6 A' 1470 1439        
7 A' 1427 1396        
8 A' 1386 1357        
9 A' 1280 1253        
10 A' 1066 1043        
11 A' 913 894        
12 A' 479 469        
13 A" 3120 3054        
14 A" 1463 1432        
15 A" 1135 1111        
16 A" 1058 1036        
17 A" 673 659        
18 A" 167 164        

Unscaled Zero Point Vibrational Energy (zpe) 14990.2 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 14672.4 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-pVDZ
ABC
1.64773 0.32118 0.28325

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.031 -0.622 0.000
C2 0.000 0.488 0.000
N3 1.284 0.375 0.000
H4 -0.547 -1.617 0.000
H5 -1.683 -0.542 0.891
H6 -1.683 -0.542 -0.891
H7 -0.404 1.519 0.000
H8 1.518 -0.636 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51532.52061.10601.10731.10732.23172.5489
C21.51531.28892.17452.16522.16521.10751.8885
N32.52061.28892.70483.23083.23082.03921.0371
H41.10602.17452.70481.80051.80053.13922.2856
H51.10732.16523.23081.80051.78262.58443.3241
H61.10732.16523.23081.80051.78262.58443.3241
H72.23171.10752.03923.13922.58442.58442.8873
H82.54891.88851.03712.28563.32413.32412.8873

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.836 C1 C2 H7 115.738
C2 C1 H4 111.138 C2 C1 H5 110.325
C2 C1 H6 110.325 C2 N3 H8 108.078
N3 C2 H7 116.425 H4 C1 H5 108.871
H4 C1 H6 108.871 H5 C1 H6 107.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability