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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-169.535388
Energy at 298.15K-169.539325
HF Energy-168.911044
Nuclear repulsion energy 
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 CCSD/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' 3895 3666 85.38      
2 A' 3273 3081 3.61      
3 A' 3146 2961 4.31      
4 A' 1737 1635 1.52      
5 A' 1479 1392 18.97      
6 A' 1380 1299 72.73      
7 A' 1205 1134 11.87      
8 A' 959 903 97.52      
9 A' 540 508 6.61      
10 A" 1003 944 33.13      
11 A" 809 761 4.23      
12 A" 411 387 127.48      

Unscaled Zero Point Vibrational Energy (zpe) 9918.7 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 9335.5 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 CCSD/cc-pVTZ
ABC
2.29411 0.39961 0.34033

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.134 -0.033 0.000
N2 0.000 0.540 0.000
O3 -1.029 -0.403 0.000
H4 1.239 -1.112 0.000
H5 2.001 0.610 0.000
H6 -1.814 0.146 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27012.19391.08461.07922.9530
N21.27011.39542.06482.00201.8560
O32.19391.39542.37543.19430.9582
H41.08462.06482.37541.88343.3015
H51.07922.00203.19431.88343.8426
H62.95301.85600.95823.30153.8426

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.698 N2 C1 H4 122.329
N2 C1 H5 116.662 N2 O3 H6 102.516
H4 C1 H5 121.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability