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

using model chemistry: MP2=FULL/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 MP2=FULL/TZVP
 hartrees
Energy at 0K-208.767123
Energy at 298.15K-208.773436
HF Energy-208.032006
Nuclear repulsion energy121.772902
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/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' 3785 3606 58.18      
2 A' 3569 3400 6.32      
3 A' 3213 3061 9.28      
4 A' 3103 2957 5.45      
5 A' 1741 1658 183.61      
6 A' 1512 1441 19.79      
7 A' 1462 1393 59.95      
8 A' 1409 1342 4.23      
9 A' 1272 1212 88.90      
10 A' 1116 1064 167.77      
11 A' 1034 985 54.65      
12 A' 884 843 1.15      
13 A' 556 530 43.11      
14 A' 430 410 2.13      
15 A" 3191 3040 4.21      
16 A" 1489 1419 8.97      
17 A" 1079 1028 3.22      
18 A" 847 807 27.77      
19 A" 590 562 137.03      
20 A" 501 477 19.02      
21 A" 112 107 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 16447.3 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 15669.4 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 MP2=FULL/TZVP
ABC
0.36258 0.31150 0.17292

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.939 -1.035 0.000
N3 0.254 1.377 0.000
O4 -1.292 -0.284 0.000
H5 1.971 -0.698 0.000
H6 0.759 -1.650 0.880
H7 0.759 -1.650 -0.880
H8 1.258 1.524 0.000
H9 -1.823 0.527 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49681.27191.35672.13852.12652.12651.87721.8650
C21.49682.50772.35331.08631.08851.08852.57883.1724
N31.27192.50772.26902.69383.19283.19281.01552.2435
O41.35672.35332.26903.28912.61632.61633.12610.9695
H52.13851.08632.69383.28911.77481.77482.33333.9867
H62.12651.08853.19282.61631.77481.76003.33123.4898
H72.12651.08853.19282.61631.77481.76003.33123.4898
H81.87722.57881.01553.12612.33333.33123.33123.2382
H91.86503.17242.24350.96953.98673.48983.48983.2382

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 110.758 C1 C2 H6 109.673
C1 C2 H7 109.673 C1 N3 H8 109.803
C1 O4 H9 105.377 C2 C1 N3 129.661
C2 C1 O4 111.017 N3 C1 O4 119.322
H5 C2 H6 109.395 H5 C2 H7 109.395
H6 C2 H7 107.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability