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

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-208.938879
Energy at 298.15K-208.945271
HF Energy-208.039729
Nuclear repulsion energy121.934633
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 MP4=FULL/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' 3773 3633        
2 A' 3536 3405        
3 A' 3161 3044        
4 A' 3076 2961        
5 A' 1739 1675        
6 A' 1504 1449        
7 A' 1458 1404        
8 A' 1395 1343        
9 A' 1265 1218        
10 A' 1114 1072        
11 A' 1019 982        
12 A' 880 848        
13 A' 550 530        
14 A' 423 407        
15 A" 3136 3020        
16 A" 1494 1439        
17 A" 1072 1032        
18 A" 857 825        
19 A" 634 610        
20 A" 532 512        
21 A" 136 131        

Unscaled Zero Point Vibrational Energy (zpe) 16376.4 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 15768.8 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 MP4=FULL/cc-pVTZ
ABC
0.36321 0.31259 0.17337

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.931 -1.038 0.000
N3 0.263 1.374 0.000
O4 -1.293 -0.275 0.000
H5 1.965 -0.710 0.000
H6 0.746 -1.653 0.878
H7 0.746 -1.653 -0.878
H8 1.268 1.515 0.000
H9 -1.811 0.541 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49391.27131.35482.13702.12252.12251.87771.8572
C21.49392.50272.35111.08471.08751.08752.57583.1645
N31.27132.50272.26732.69033.18803.18801.01402.2353
O41.35482.35112.26733.28662.61222.61223.12430.9671
H52.13701.08472.69033.28661.77361.77362.33233.9780
H62.12251.08753.18802.61221.77361.75583.32873.4816
H72.12251.08753.18802.61221.77361.75583.32873.4816
H81.87772.57581.01403.12432.33233.32873.32873.2291
H91.85723.16452.23530.96713.97803.48163.48163.2291

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 110.943 C1 C2 H6 109.616
C1 C2 H7 109.616 C1 N3 H8 109.989
C1 O4 H9 105.009 C2 C1 N3 129.491
C2 C1 O4 111.149 N3 C1 O4 119.360
H5 C2 H6 109.471 H5 C2 H7 109.471
H6 C2 H7 107.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability