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

using model chemistry: MP2=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-208.744462
Energy at 298.15K-208.750875
HF Energy-207.981852
Nuclear repulsion energy122.134071
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/6-31G(2df,p)
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' 3797 3569 61.70      
2 A' 3603 3387 6.95      
3 A' 3245 3050 5.55      
4 A' 3130 2942 2.60      
5 A' 1768 1662 170.92      
6 A' 1523 1432 22.74      
7 A' 1476 1387 71.67      
8 A' 1411 1326 0.63      
9 A' 1273 1196 100.45      
10 A' 1118 1051 171.65      
11 A' 1035 973 27.93      
12 A' 897 843 0.83      
13 A' 554 520 41.53      
14 A' 425 399 1.53      
15 A" 3220 3026 1.88      
16 A" 1514 1423 7.47      
17 A" 1089 1023 8.51      
18 A" 870 818 22.83      
19 A" 648 609 122.67      
20 A" 538 505 18.24      
21 A" 138 130 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 16634.9 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 15635.2 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/6-31G(2df,p)
ABC
0.36458 0.31367 0.17401

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.917 -1.047 0.000
N3 0.275 1.372 0.000
O4 -1.288 -0.266 0.000
H5 1.957 -0.738 0.000
H6 0.722 -1.661 0.877
H7 0.722 -1.661 -0.877
H8 1.279 1.514 0.000
H9 -1.802 0.553 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49371.26981.34782.14212.12322.12321.88251.8504
C21.49372.50282.33871.08581.08861.08862.58633.1545
N31.26982.50282.26362.69853.18923.18921.01402.2324
O41.34782.33872.26363.27932.59932.59933.12310.9669
H52.14211.08582.69853.27931.77461.77462.35153.9748
H62.12321.08863.18922.59931.77461.75493.34083.4704
H72.12321.08863.18922.59931.77461.75493.34083.4704
H81.88252.58631.01403.12312.35153.34083.34083.2271
H91.85043.15452.23240.96693.97483.47043.47043.2271

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 111.302 C1 C2 H6 109.619
C1 C2 H7 109.619 C1 N3 H8 110.537
C1 O4 H9 104.952 C2 C1 N3 129.644
C2 C1 O4 110.679 N3 C1 O4 119.677
H5 C2 H6 109.399 H5 C2 H7 109.399
H6 C2 H7 107.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability