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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-208.275603
Energy at 298.15K-208.281941
HF Energy-207.851593
Nuclear repulsion energy119.426620
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 MP2=FULL/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' 3595 3416 30.32      
2 A' 3474 3301 4.40      
3 A' 3177 3018 13.93      
4 A' 3080 2926 6.76      
5 A' 1705 1620 115.72      
6 A' 1563 1485 30.13      
7 A' 1488 1414 28.97      
8 A' 1441 1369 23.45      
9 A' 1252 1189 88.97      
10 A' 1107 1052 106.40      
11 A' 1030 978 152.21      
12 A' 859 816 5.68      
13 A' 543 516 43.63      
14 A' 425 404 3.97      
15 A" 3168 3010 7.13      
16 A" 1547 1470 8.06      
17 A" 1125 1069 7.50      
18 A" 874 830 44.54      
19 A" 627 595 206.98      
20 A" 524 498 15.06      
21 A" 118 112 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 16359.3 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 15542.9 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 MP2=FULL/6-31G
ABC
0.34651 0.30108 0.16614

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 1.081 -0.923 0.000
N3 0.076 1.425 0.000
O4 -1.269 -0.462 0.000
H5 2.072 -0.454 0.000
H6 0.981 -1.560 0.887
H7 0.981 -1.560 -0.887
H8 1.036 1.788 0.000
H9 -1.945 0.254 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51021.29531.40052.15342.14752.14751.95351.9484
C21.51022.55342.39471.09621.09711.09712.71053.2468
N31.29532.55342.31662.74103.24263.24261.02652.3350
O41.40052.39472.31663.34092.65622.65623.22060.9849
H52.15341.09622.74103.34091.78921.78922.46924.0788
H62.14751.09713.24262.65621.78921.77463.46363.5553
H72.14751.09713.24262.65621.78921.77463.46363.5553
H81.95352.71051.02653.22062.46923.46363.46363.3520
H91.94843.24682.33500.98494.07883.55533.55533.3520

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.410 C1 C2 H6 109.891
C1 C2 H7 109.891 C1 N3 H8 114.075
C1 O4 H9 108.274 C2 C1 N3 130.900
C2 C1 O4 110.662 N3 C1 O4 118.438
H5 C2 H6 109.325 H5 C2 H7 109.325
H6 C2 H7 107.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability