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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: CCSD=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-169.342250
Energy at 298.15K-169.346159
HF Energy-168.837717
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=FULL/6-31G*
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' 3769 3580 62.17      
2 A' 3287 3122 6.24      
3 A' 3168 3009 3.44      
4 A' 1745 1658 0.45      
5 A' 1490 1415 20.03      
6 A' 1391 1321 80.50      
7 A' 1214 1153 9.82      
8 A' 945 898 86.96      
9 A' 539 512 7.59      
10 A" 981 932 35.59      
11 A" 803 763 3.66      
12 A" 411 391 150.95      

Unscaled Zero Point Vibrational Energy (zpe) 9872.4 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 9376.8 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 CCSD=FULL/6-31G*
ABC
2.23536 0.39530 0.33590

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.139 -0.033 0.000
N2 0.000 0.549 0.000
O3 -1.033 -0.410 0.000
H4 1.248 -1.117 0.000
H5 2.015 0.608 0.000
H6 -1.832 0.144 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27852.20421.09001.08542.9759
N21.27851.40912.08132.01551.8760
O32.20421.40912.38793.21310.9722
H41.09002.08132.38791.88833.3279
H51.08542.01553.21311.88833.8744
H62.97591.87600.97223.32793.8744

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.099 N2 C1 H4 122.782
N2 C1 H5 116.755 N2 O3 H6 102.411
H4 C1 H5 120.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability