return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: MP3=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS H all up 1A'
Energy calculated at MP3=FULL/3-21G*
 hartrees
Energy at 0K-168.268778
Energy at 298.15K-168.272622
HF Energy-167.939532
Nuclear repulsion energy69.581224
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 MP3=FULL/3-21G*
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' 3606 3606 14.93      
2 A' 3408 3408 1.15      
3 A' 3056 3056 56.34      
4 A' 1779 1779 86.95      
5 A' 1477 1477 7.85      
6 A' 1329 1329 117.30      
7 A' 1204 1204 86.68      
8 A' 1021 1021 255.25      
9 A' 620 620 1.24      
10 A" 1089 1089 6.93      
11 A" 850 850 62.59      
12 A" 263 263 96.95      

Unscaled Zero Point Vibrational Energy (zpe) 9850.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9850.7 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 MP3=FULL/3-21G*
ABC
2.53998 0.35766 0.31351

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.395 0.000
O2 -1.012 -0.566 0.000
N3 1.209 0.009 0.000
H4 -0.359 1.430 0.000
H5 -1.892 -0.122 0.000
H6 1.883 0.787 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.39561.26911.09611.96121.9230
O21.39562.29472.10080.98533.1953
N31.26912.29472.11613.10391.0285
H41.09612.10082.11612.18202.3319
H51.96120.98533.10392.18203.8824
H61.92303.19531.02852.33193.8824

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.716 C1 N3 H6 113.225
O2 C1 N3 118.814 O2 C1 H4 114.406
N3 C1 H4 126.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability