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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-208.270720
Energy at 298.15K-208.277057
HF Energy-207.851544
Nuclear repulsion energy119.411118
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 MP2/6-31G
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 3440 30.30      
2 A' 3474 3324 4.39      
3 A' 3176 3039 14.01      
4 A' 3079 2946 6.79      
5 A' 1704 1631 115.65      
6 A' 1563 1496 30.17      
7 A' 1488 1424 28.97      
8 A' 1441 1379 23.37      
9 A' 1252 1198 88.87      
10 A' 1107 1059 106.50      
11 A' 1029 985 152.10      
12 A' 859 822 5.69      
13 A' 543 519 43.61      
14 A' 425 406 3.97      
15 A" 3168 3031 7.19      
16 A" 1547 1480 8.04      
17 A" 1125 1076 7.46      
18 A" 873 836 44.56      
19 A" 626 599 207.07      
20 A" 524 501 14.96      
21 A" 118 113 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 16357.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 15650.8 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 MP2/6-31G
ABC
0.34643 0.30099 0.16609

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

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 1.037 1.787 0.000
H9 -1.945 0.255 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51051.29541.40062.15372.14782.14781.95361.9486
C21.51052.55382.39511.09641.09721.09722.71063.2472
N31.29542.55382.31692.74133.24313.24311.02662.3352
O41.40062.39512.31693.34132.65662.65663.22090.9849
H52.15371.09642.74133.34131.78951.78952.46914.0792
H62.14781.09723.24312.65661.78951.77493.46383.5558
H72.14781.09723.24312.65661.78951.77493.46383.5558
H81.95362.71061.02663.22092.46913.46383.46383.3523
H91.94863.24722.33520.98494.07923.55583.55583.3523

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 110.403 C1 C2 H6 109.888
C1 C2 H7 109.888 C1 N3 H8 114.061
C1 O4 H9 108.271 C2 C1 N3 130.897
C2 C1 O4 110.665 N3 C1 O4 118.437
H5 C2 H6 109.330 H5 C2 H7 109.330
H6 C2 H7 107.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability