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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-208.973574
Energy at 298.15K-208.979935
HF Energy-208.771151
Nuclear repulsion energy121.428145
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 B2PLYP=FULL/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' 3700 3509 44.21      
2 A' 3530 3348 0.81      
3 A' 3195 3030 12.63      
4 A' 3099 2939 5.48      
5 A' 1765 1674 203.73      
6 A' 1535 1456 23.96      
7 A' 1482 1405 62.97      
8 A' 1428 1355 5.33      
9 A' 1291 1224 93.34      
10 A' 1131 1073 175.06      
11 A' 1039 985 41.92      
12 A' 885 839 1.01      
13 A' 553 525 41.06      
14 A' 425 403 1.90      
15 A" 3170 3006 6.75      
16 A" 1522 1444 7.52      
17 A" 1096 1040 8.89      
18 A" 860 816 24.08      
19 A" 646 613 153.85      
20 A" 525 498 14.68      
21 A" 126 119 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 16501.4 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 15649.9 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 B2PLYP=FULL/6-31G*
ABC
0.36191 0.30876 0.17193

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.944 -1.038 0.000
N3 0.248 1.382 0.000
O4 -1.291 -0.287 0.000
H5 1.982 -0.705 0.000
H6 0.764 -1.659 0.881
H7 0.764 -1.659 -0.881
H8 1.252 1.554 0.000
H9 -1.827 0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50311.27441.35752.15092.13752.13751.89451.8695
C21.50312.51822.35751.09021.09281.09282.61033.1825
N31.27442.51822.27032.71303.20823.20821.01872.2438
O41.35752.35752.27033.29922.62362.62363.13940.9754
H52.15091.09022.71303.29921.78031.78032.37364.0031
H62.13751.09283.20822.62361.78031.76213.36733.5035
H72.13751.09283.20822.62361.78031.76213.36733.5035
H81.89452.61031.01873.13942.37363.36733.36733.2454
H91.86953.18252.24380.97544.00313.50353.50353.2454

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 111.073 C1 C2 H6 109.844
C1 C2 H7 109.844 C1 N3 H8 110.922
C1 O4 H9 105.352 C2 C1 N3 129.911
C2 C1 O4 110.901 N3 C1 O4 119.188
H5 C2 H6 109.276 H5 C2 H7 109.276
H6 C2 H7 107.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability