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

using model chemistry: MP2=FULL/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-208.611611
Energy at 298.15K-208.617962
HF Energy-207.974372
Nuclear repulsion energy121.174456
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/cc-pVDZ
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' 3768 3581 57.02      
2 A' 3546 3370 2.22      
3 A' 3227 3067 8.65      
4 A' 3106 2952 6.31      
5 A' 1765 1678 165.82      
6 A' 1489 1416 26.32      
7 A' 1465 1392 62.93      
8 A' 1383 1314 0.12      
9 A' 1274 1211 96.66      
10 A' 1123 1067 174.55      
11 A' 1014 964 24.94      
12 A' 891 846 1.24      
13 A' 546 519 42.08      
14 A' 420 399 1.82      
15 A" 3202 3043 4.32      
16 A" 1473 1400 8.14      
17 A" 1065 1012 6.35      
18 A" 856 814 20.16      
19 A" 633 601 126.87      
20 A" 520 495 14.86      
21 A" 123 117 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 16443.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 15627.6 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/cc-pVDZ
ABC
0.35986 0.30822 0.17138

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.922 -1.057 0.000
N3 0.278 1.383 0.000
O4 -1.300 -0.262 0.000
H5 1.974 -0.745 0.000
H6 0.724 -1.678 0.887
H7 0.724 -1.678 -0.887
H8 1.296 1.499 0.000
H9 -1.800 0.573 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50451.28191.35792.16042.14162.14161.88411.8536
C21.50452.52372.35941.09791.10071.10072.58363.1728
N31.28192.52372.27952.72153.21823.21821.02462.2312
O41.35792.35942.27953.30942.62412.62413.13690.9734
H52.16041.09792.72153.30941.79471.79472.34453.9983
H62.14161.10073.21822.62411.79471.77393.34813.4963
H72.14161.10073.21822.62411.79471.77393.34813.4963
H81.88412.58361.02463.13692.34453.34813.34813.2324
H91.85363.17282.23120.97343.99833.49633.49633.2324

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 111.273 C1 C2 H6 109.613
C1 C2 H7 109.613 C1 N3 H8 109.039
C1 O4 H9 104.112 C2 C1 N3 129.677
C2 C1 O4 110.925 N3 C1 O4 119.398
H5 C2 H6 109.440 H5 C2 H7 109.440
H6 C2 H7 107.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability