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All results from a given calculation for CH3CHNH (ethanimine)

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

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-133.565752
Energy at 298.15K-133.571188
HF Energy-133.084206
Nuclear repulsion energy70.272264
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/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' 3408 3229 8.49      
2 A' 3154 2988 27.09      
3 A' 3115 2950 24.91      
4 A' 3056 2895 12.23      
5 A' 1744 1652 47.15      
6 A' 1480 1402 21.18      
7 A' 1440 1364 22.29      
8 A' 1401 1327 3.44      
9 A' 1292 1224 45.69      
10 A' 1076 1019 16.21      
11 A' 924 875 2.54      
12 A' 486 461 7.75      
13 A" 3136 2971 13.65      
14 A" 1473 1396 7.24      
15 A" 1152 1092 43.64      
16 A" 1073 1016 5.03      
17 A" 686 649 7.95      
18 A" 168 159 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 15131.9 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 14334.4 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/cc-pVDZ
ABC
1.65405 0.32288 0.28472

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.027 -0.624 0.000
C2 0.000 0.487 0.000
N3 1.278 0.377 0.000
H4 -0.542 -1.616 0.000
H5 -1.678 -0.545 0.890
H6 -1.678 -0.545 -0.890
H7 -0.407 1.515 0.000
H8 1.522 -0.628 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51322.51301.10451.10591.10592.22752.5491
C21.51321.28282.17242.16212.16211.10591.8870
N32.51301.28282.69933.22223.22222.03371.0343
H41.10452.17242.69931.79771.79773.13472.2885
H51.10592.16213.22221.79771.78032.57933.3230
H61.10592.16213.22221.79771.78032.57933.3230
H72.22751.10592.03373.13472.57932.57932.8839
H82.54911.88701.03432.28853.32303.32302.8839

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.811 C1 C2 H7 115.652
C2 C1 H4 111.213 C2 C1 H5 110.312
C2 C1 H6 110.312 C2 N3 H8 108.579
N3 C2 H7 116.537 H4 C1 H5 108.845
H4 C1 H6 108.845 H5 C1 H6 107.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability