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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: QCISD/6-311G**

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 QCISD/6-311G**
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-133.611910
Energy at 298.15K-133.617338
HF Energy-133.108183
Nuclear repulsion energy70.605585
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 QCISD/6-311G**
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' 3443 3285 6.81      
2 A' 3139 2995 34.18      
3 A' 3107 2964 21.53      
4 A' 3048 2908 11.39      
5 A' 1731 1652 51.28      
6 A' 1504 1435 21.40      
7 A' 1454 1388 20.87      
8 A' 1419 1354 4.34      
9 A' 1303 1243 49.82      
10 A' 1082 1033 16.80      
11 A' 922 879 2.09      
12 A' 489 467 8.83      
13 A" 3120 2977 15.83      
14 A" 1496 1428 7.98      
15 A" 1161 1108 43.82      
16 A" 1084 1034 6.13      
17 A" 687 656 9.76      
18 A" 157 150 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 15173.2 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 14476.7 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 QCISD/6-311G**
ABC
1.67200 0.32518 0.28683

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.024 -0.624 0.000
C2 0.000 0.487 0.000
N3 1.272 0.377 0.000
H4 -0.538 -1.607 0.000
H5 -1.668 -0.545 0.884
H6 -1.668 -0.545 -0.884
H7 -0.404 1.505 0.000
H8 1.519 -0.619 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51122.50511.09561.09681.09682.21812.5429
C21.51121.27692.16142.15182.15181.09581.8784
N32.50511.27692.68553.20603.20602.02101.0253
H41.09562.16142.68551.78441.78443.11472.2821
H51.09682.15183.20601.78441.76862.56613.3082
H61.09682.15183.20601.78441.76862.56613.3082
H72.21811.09582.02103.11472.56612.56612.8651
H82.54291.87841.02532.28213.30823.30822.8651

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.722 C1 C2 H7 115.682
C2 C1 H4 111.020 C2 C1 H5 110.182
C2 C1 H6 110.182 C2 N3 H8 108.856
N3 C2 H7 116.597 H4 C1 H5 108.959
H4 C1 H6 108.959 H5 C1 H6 107.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability