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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: CCSD/6-31G*

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/6-31G*
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-133.522354
Energy at 298.15K-133.527796
HF Energy-133.070828
Nuclear repulsion energy70.549614
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/6-31G*
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' 3393 3204 11.65      
2 A' 3156 2980 36.00      
3 A' 3133 2959 15.50      
4 A' 3065 2894 9.34      
5 A' 1756 1658 44.39      
6 A' 1534 1449 21.40      
7 A' 1469 1387 22.00      
8 A' 1450 1369 4.71      
9 A' 1320 1247 54.21      
10 A' 1096 1035 22.08      
11 A' 939 887 2.01      
12 A' 502 474 8.53      
13 A" 3137 2962 13.79      
14 A" 1523 1438 7.90      
15 A" 1165 1100 45.41      
16 A" 1107 1045 13.00      
17 A" 698 659 11.21      
18 A" 161 152 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 15301.7 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 14449.4 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/6-31G*
ABC
1.67347 0.32471 0.28650

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.027 -0.618 0.000
C2 0.000 0.485 0.000
N3 1.275 0.371 0.000
H4 -0.549 -1.604 0.000
H5 -1.674 -0.539 0.884
H6 -1.674 -0.539 -0.884
H7 -0.397 1.506 0.000
H8 1.536 -0.625 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50692.50551.09641.09771.09772.21532.5631
C21.50691.27962.15962.15182.15181.09581.8949
N32.50551.27962.68833.20973.20972.02031.0303
H41.09642.15962.68831.78351.78353.11382.3028
H51.09772.15183.20971.78351.76782.56773.3299
H61.09772.15183.20971.78351.76782.56773.3299
H72.21531.09582.02033.11382.56772.56772.8772
H82.56311.89491.03032.30283.32993.32992.8772

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.904 C1 C2 H7 115.772
C2 C1 H4 111.129 C2 C1 H5 110.422
C2 C1 H6 110.422 C2 N3 H8 109.761
N3 C2 H7 116.324 H4 C1 H5 108.749
H4 C1 H6 108.749 H5 C1 H6 107.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability