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All results from a given calculation for CH2NOH (formaldoxime)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-169.454756
Energy at 298.15K-169.458693
HF Energy-168.860905
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 QCISD/6-31G(2df,p)
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' 3894 3689 80.56      
2 A' 3296 3123 3.27      
3 A' 3169 3002 2.78      
4 A' 1735 1643 0.50      
5 A' 1479 1401 22.42      
6 A' 1387 1314 71.29      
7 A' 1207 1144 12.63      
8 A' 970 919 88.60      
9 A' 539 511 7.05      
10 A" 993 941 29.21      
11 A" 811 768 4.35      
12 A" 418 396 125.08      

Unscaled Zero Point Vibrational Energy (zpe) 9949.0 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 9425.6 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 QCISD/6-31G(2df,p)
ABC
2.28327 0.39919 0.33979

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.135 -0.039 0.000
N2 0.000 0.541 0.000
O3 -1.030 -0.398 0.000
H4 1.240 -1.121 0.000
H5 2.007 0.601 0.000
H6 -1.813 0.156 0.000

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.27432.19491.08691.08172.9545
N21.27431.39402.07292.00791.8535
O32.19491.39402.38223.19750.9593
H41.08692.07292.38221.88503.3091
H51.08172.00793.19751.88503.8460
H62.95451.85350.95933.30913.8460

picture of formaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 110.609 N2 C1 H4 122.584
N2 C1 H5 116.679 N2 O3 H6 102.349
H4 C1 H5 120.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability