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

using model chemistry: B2PLYP=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 B2PLYP=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-209.145747
Energy at 298.15K-209.152111
HF Energy-208.865712
Nuclear repulsion energy121.935249
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/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' 3754 3754 56.94      
2 A' 3546 3546 7.19      
3 A' 3165 3165 9.52      
4 A' 3072 3072 5.38      
5 A' 1728 1728 232.64      
6 A' 1500 1500 23.94      
7 A' 1446 1446 58.93      
8 A' 1398 1398 7.26      
9 A' 1259 1259 84.46      
10 A' 1106 1106 166.53      
11 A' 1025 1025 57.90      
12 A' 877 877 1.08      
13 A' 551 551 38.45      
14 A' 426 426 1.71      
15 A" 3134 3134 4.58      
16 A" 1491 1491 8.27      
17 A" 1080 1080 4.67      
18 A" 849 849 26.93      
19 A" 629 629 108.54      
20 A" 528 528 25.26      
21 A" 133 133 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 16348.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16348.4 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 B2PLYP=FULL/daug-cc-pVTZ
ABC
0.36363 0.31211 0.17331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.933 -1.039 0.000
N3 0.263 1.371 0.000
O4 -1.292 -0.273 0.000
H5 1.966 -0.711 0.000
H6 0.748 -1.656 0.877
H7 0.748 -1.656 -0.877
H8 1.262 1.537 0.000
H9 -1.828 0.532 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49621.26751.35372.13902.12652.12651.88951.8715
C21.49622.50102.35271.08481.08811.08812.59693.1763
N31.26752.50102.26302.68953.18833.18831.01282.2532
O41.35372.35272.26303.28772.61622.61623.13060.9671
H52.13901.08482.68953.28771.77391.77392.35533.9928
H62.12651.08813.18832.61621.77391.75473.35073.4919
H72.12651.08813.18832.61621.77391.75473.35073.4919
H81.88952.59691.01283.13062.35533.35073.35073.2497
H91.87153.17632.25320.96713.99283.49193.49193.2497

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 110.940 C1 C2 H6 109.735
C1 C2 H7 109.735 C1 N3 H8 111.425
C1 O4 H9 106.294 C2 C1 N3 129.455
C2 C1 O4 111.193 N3 C1 O4 119.353
H5 C2 H6 109.448 H5 C2 H7 109.448
H6 C2 H7 107.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability