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All results from a given calculation for HOCHNH (hydroxymethylimine)

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

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'
1 3 no CS CH up 1A'

Conformer 1 (CS H all up)

Jump to S1C2 S1C3
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-169.405436
Energy at 298.15K-169.409383
HF Energy-168.892984
Nuclear repulsion energy70.321931
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)=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' 3757 3647        
2 A' 3480 3378        
3 A' 3068 2978        
4 A' 1774 1722        
5 A' 1462 1419        
6 A' 1363 1323        
7 A' 1225 1189        
8 A' 1080 1048        
9 A' 611 593        
10 A" 1032 1002        
11 A" 839 814        
12 A" 360 350        

Unscaled Zero Point Vibrational Energy (zpe) 10026.2 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9732.4 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 CCSD(T)=FULL/6-31G*
ABC
2.56639 0.36680 0.32093

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.382 0.000
O2 -1.009 -0.535 0.000
N3 1.205 -0.024 0.000
H4 -0.336 1.430 0.000
H5 -1.859 -0.063 0.000
H6 1.833 0.786 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36341.27171.10031.91181.8768
O21.36342.27252.07690.97243.1339
N31.27172.27252.11843.06471.0245
H41.10032.07692.11842.13292.2621
H51.91180.97243.06472.13293.7884
H61.87683.13391.02452.26213.7884

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.702 C1 N3 H6 109.165
O2 C1 N3 119.130 O2 C1 H4 114.493
N3 C1 H4 126.377
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-169.416356
Energy at 298.15K-169.420506
HF Energy-168.904671
Nuclear repulsion energy70.684254
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)=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' 3663 3555        
2 A' 3492 3390        
3 A' 3152 3060        
4 A' 1748 1697        
5 A' 1433 1391        
6 A' 1405 1364        
7 A' 1219 1183        
8 A' 1091 1059        
9 A' 587 570        
10 A" 1044 1014        
11 A" 843 818        
12 A" 632 614        

Unscaled Zero Point Vibrational Energy (zpe) 10154.6 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9857.1 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)=FULL/6-31G*
ABC
2.32272 0.37997 0.32655

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
O2 -1.119 -0.338 0.000
N3 1.163 -0.098 0.000
H4 -0.263 1.486 0.000
H5 -0.807 -1.267 0.000
H6 1.882 0.631 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35411.27511.09461.87341.8931
O21.35412.29532.01520.98023.1537
N31.27512.29532.13232.29051.0238
H41.09462.01522.13232.80642.3093
H51.87340.98022.29052.80643.2909
H61.89313.15371.02382.30933.2909

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 105.630 C1 N3 H6 110.391
O2 C1 N3 121.588 O2 C1 H4 110.318
N3 C1 H4 128.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-169.411026
Energy at 298.15K-169.415098
HF Energy-168.898399
Nuclear repulsion energy70.205594
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)=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' 3692 3583        
2 A' 3399 3299        
3 A' 3217 3122        
4 A' 1741 1690        
5 A' 1433 1391        
6 A' 1391 1350        
7 A' 1148 1115        
8 A' 1098 1065        
9 A' 590 573        
10 A" 1079 1047        
11 A" 844 819        
12 A" 510 495        

Unscaled Zero Point Vibrational Energy (zpe) 10069.3 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9774.3 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)=FULL/6-31G*
ABC
2.22392 0.37077 0.31779

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.111 -0.355 0.000
N3 1.235 0.126 0.000
H4 -0.300 1.490 0.000
H5 -0.827 -1.290 0.000
H6 1.369 -0.895 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36731.27451.09001.91961.9139
O21.36732.39432.01550.97722.5379
N31.27452.39432.05312.50131.0304
H41.09002.01552.05312.82982.9113
H51.91960.97722.50132.82982.2311
H61.91392.53791.03042.91132.2311

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.788 C1 N3 H6 111.841
O2 C1 N3 129.976 O2 C1 H4 109.702
N3 C1 H4 120.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability