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

using model chemistry: MP4/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-208.753536
Energy at 298.15K-208.759804
HF Energy-208.030990
Nuclear repulsion energy121.244564
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 MP4/TZVP
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' 3764 3624        
2 A' 3523 3392        
3 A' 3168 3051        
4 A' 3069 2955        
5 A' 1713 1650        
6 A' 1504 1448        
7 A' 1453 1399        
8 A' 1404 1352        
9 A' 1272 1224        
10 A' 1114 1072        
11 A' 1025 987        
12 A' 867 835        
13 A' 549 528        
14 A' 422 407        
15 A" 3148 3031        
16 A" 1480 1425        
17 A" 1069 1029        
18 A" 841 810        
19 A" 575 554        
20 A" 488 470        
21 A" 111 106        

Unscaled Zero Point Vibrational Energy (zpe) 16278.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 15674.6 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 MP4/TZVP
ABC
0.35942 0.30853 0.17133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.944 -1.039 0.000
N3 0.253 1.384 0.000
O4 -1.298 -0.286 0.000
H5 1.979 -0.697 0.000
H6 0.766 -1.656 0.884
H7 0.766 -1.656 -0.884
H8 1.262 1.528 0.000
H9 -1.828 0.527 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50451.27731.36362.14622.13642.13641.88201.8701
C21.50452.51982.36541.09021.09221.09222.58743.1841
N31.27732.51982.27942.70393.20703.20701.01852.2509
O41.36362.36542.27943.30312.62992.62993.13750.9704
H52.14621.09022.70393.30311.78131.78132.33883.9994
H62.13641.09223.20702.62991.78131.76723.34193.5032
H72.13641.09223.20702.62991.78131.76723.34193.5032
H81.88202.58741.01853.13752.33883.34193.34193.2478
H91.87013.18412.25090.97043.99943.50323.50323.2478

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 110.594 C1 C2 H6 109.690
C1 C2 H7 109.690 C1 N3 H8 109.605
C1 O4 H9 105.250 C2 C1 N3 129.682
C2 C1 O4 111.023 N3 C1 O4 119.294
H5 C2 H6 109.414 H5 C2 H7 109.414
H6 C2 H7 107.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability