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: CISD/Def2TZVPP

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 CISD/Def2TZVPP
 hartrees
Energy at 0K-169.527954
Energy at 298.15K-169.531992
HF Energy-168.981961
Nuclear repulsion energy71.492492
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 CISD/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' 4042 4042 104.72      
2 A' 3682 3682 13.96      
3 A' 3179 3179 41.95      
4 A' 1850 1850 223.93      
5 A' 1491 1491 18.38      
6 A' 1393 1393 182.24      
7 A' 1244 1244 41.92      
8 A' 1113 1113 204.89      
9 A' 642 642 1.02      
10 A" 1107 1107 3.73      
11 A" 872 872 59.85      
12 A" 389 389 73.86      

Unscaled Zero Point Vibrational Energy (zpe) 10502.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10502.4 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 CISD/Def2TZVPP
ABC
2.71734 0.37576 0.33012

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.369 0.000
O2 -0.995 -0.531 0.000
N3 1.189 -0.010 0.000
H4 -0.330 1.402 0.000
H5 -1.833 -0.084 0.000
H6 1.803 0.786 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34151.24801.08481.88801.8502
O21.34152.24572.04400.94893.0922
N31.24802.24572.07433.02291.0051
H41.08482.04402.07432.11382.2198
H51.88800.94893.02292.11383.7381
H61.85023.09221.00512.21983.7381

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.858 C1 N3 H6 109.934
O2 C1 N3 120.231 O2 C1 H4 114.384
N3 C1 H4 125.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability