return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2=FULL/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-208.910345
Energy at 298.15K-208.916740
HF Energy-208.044268
Nuclear repulsion energy122.235952
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/daug-cc-pVTZ
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' 3766 3766 65.87      
2 A' 3570 3570 10.16      
3 A' 3198 3198 6.02      
4 A' 3101 3101 3.82      
5 A' 1744 1744 204.24      
6 A' 1509 1509 21.41      
7 A' 1455 1455 69.17      
8 A' 1399 1399 4.88      
9 A' 1259 1259 88.63      
10 A' 1111 1111 170.89      
11 A' 1031 1031 44.86      
12 A' 892 892 1.01      
13 A' 552 552 40.80      
14 A' 428 428 1.62      
15 A" 3173 3173 2.14      
16 A" 1503 1503 8.72      
17 A" 1083 1083 3.94      
18 A" 859 859 26.24      
19 A" 635 635 110.55      
20 A" 534 534 21.91      
21 A" 139 139 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 16470.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16470.6 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 MP2=FULL/daug-cc-pVTZ
ABC
0.36511 0.31435 0.17434

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 0.932 -1.033 0.000
N3 0.257 1.371 0.000
O4 -1.286 -0.280 0.000
H5 1.963 -0.700 0.000
H6 0.747 -1.647 0.877
H7 0.747 -1.647 -0.877
H8 1.258 1.527 0.000
H9 -1.817 0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48941.26841.34952.13092.11702.11701.88011.8603
C21.48942.49702.34161.08351.08641.08642.58033.1609
N31.26842.49702.26022.68353.18093.18091.01262.2391
O41.34952.34162.26023.27572.60172.60173.12010.9673
H52.13091.08352.68353.27571.77281.77282.33613.9745
H62.11701.08643.18092.60171.77281.75433.33193.4748
H72.11701.08643.18092.60171.77281.75433.33193.4748
H81.88012.58031.01263.12012.33613.33193.33193.2329
H91.86033.16092.23910.96733.97453.47483.47483.2329

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 110.848 C1 C2 H6 109.552
C1 C2 H7 109.552 C1 N3 H8 110.527
C1 O4 H9 105.645 C2 C1 N3 129.588
C2 C1 O4 111.049 N3 C1 O4 119.362
H5 C2 H6 109.576 H5 C2 H7 109.576
H6 C2 H7 107.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability