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

using model chemistry: QCISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/Def2TZVPP
 hartrees
Energy at 0K-208.849468
Energy at 298.15K-208.855850
HF Energy-208.049289
Nuclear repulsion energy121.943341
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 QCISD/Def2TZVPP
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' 3828 3828 59.12      
2 A' 3570 3570 5.11      
3 A' 3173 3173 10.88      
4 A' 3077 3077 5.66      
5 A' 1771 1771 218.83      
6 A' 1508 1508 21.85      
7 A' 1473 1473 61.51      
8 A' 1412 1412 0.99      
9 A' 1288 1288 85.07      
10 A' 1132 1132 183.19      
11 A' 1032 1032 37.27      
12 A' 887 887 0.79      
13 A' 556 556 40.76      
14 A' 426 426 1.62      
15 A" 3147 3147 5.68      
16 A" 1495 1495 7.61      
17 A" 1084 1084 5.04      
18 A" 868 868 27.51      
19 A" 621 621 109.22      
20 A" 524 524 29.48      
21 A" 132 132 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 16500.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16500.8 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 QCISD/Def2TZVPP
ABC
0.36339 0.31210 0.17328

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.910 -1.060 0.000
N3 0.295 1.364 0.000
O4 -1.299 -0.244 0.000
H5 1.952 -0.750 0.000
H6 0.712 -1.671 0.880
H7 0.712 -1.671 -0.880
H8 1.300 1.487 0.000
H9 -1.811 0.572 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49961.26711.35262.14232.12882.12881.87741.8636
C21.49962.50072.35541.08661.08931.08932.57573.1730
N31.26712.50072.26472.68653.18763.18761.01252.2503
O41.35262.35542.26473.29062.61842.61843.12280.9631
H52.14231.08662.68653.29061.77721.77722.32983.9886
H62.12881.08933.18762.61841.77721.75903.32993.4887
H72.12881.08933.18762.61841.77721.75903.32993.4887
H81.87742.57571.01253.12282.32983.32993.32993.2429
H91.86363.17302.25030.96313.98863.48873.48873.2429

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 110.845 C1 C2 H6 109.607
C1 C2 H7 109.607 C1 N3 H8 110.397
C1 O4 H9 105.951 C2 C1 N3 129.151
C2 C1 O4 111.236 N3 C1 O4 119.613
H5 C2 H6 109.520 H5 C2 H7 109.520
H6 C2 H7 107.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability