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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS H all up 1A'
1 2 yes CS OH down 1A'

Conformer 1 (CS H all up)

Jump to S1C2
Energy calculated at CCSD(T)/aug-cc-pVQZ
 hartrees
Energy at 0K-169.676334
Energy at 298.15K 
HF Energy-168.986850
Nuclear repulsion energy70.814359
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(T)/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/aug-cc-pVQZ
ABC
2.61965 0.37076 0.32479

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.378 0.000
O2 -1.005 -0.531 0.000
N3 1.198 -0.022 0.000
H4 -0.329 1.419 0.000
H5 -1.845 -0.067 0.000
H6 1.822 0.779 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35451.26331.09201.89771.8656
O21.35452.26092.06340.95953.1153
N31.26332.26092.10013.04341.0153
H41.09202.06342.10012.12262.2445
H51.89770.95953.04342.12263.7631
H61.86563.11531.01532.24453.7631

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.990 C1 N3 H6 109.448
O2 C1 N3 119.419 O2 C1 H4 114.572
N3 C1 H4 126.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVQZ
 hartrees
Energy at 0K-169.684644
Energy at 298.15K-169.688789
HF Energy-168.995913
Nuclear repulsion energy71.153335
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(T)/aug-cc-pVQZ
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' 3765 3620        
2 A' 3537 3401        
3 A' 3144 3023        
4 A' 1712 1646        
5 A' 1397 1343        
6 A' 1377 1324        
7 A' 1193 1147        
8 A' 1074 1033        
9 A' 587 564        
10 A" 1045 1005        
11 A" 834 802        
12 A" 611 587        

Unscaled Zero Point Vibrational Energy (zpe) 10138.5 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 9747.1 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(T)/aug-cc-pVQZ
ABC
2.36296 0.38404 0.33035

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
O2 -1.113 -0.337 0.000
N3 1.157 -0.096 0.000
H4 -0.250 1.478 0.000
H5 -0.815 -1.257 0.000
H6 1.868 0.628 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34581.26691.08771.86411.8798
O21.34582.28272.00980.96673.1334
N31.26692.28272.11182.28831.0149
H41.08772.00982.11182.79272.2829
H51.86410.96672.28832.79273.2790
H61.87983.13341.01492.28293.2790

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.272 C1 N3 H6 110.456
O2 C1 N3 121.755 O2 C1 H4 110.910
N3 C1 H4 127.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability