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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)/cc-pVDZ

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)/cc-pVDZ
 hartrees
Energy at 0K-169.438869
Energy at 298.15K-169.442819
HF Energy-168.915295
Nuclear repulsion energy70.215716
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)/cc-pVDZ
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' 3856 3775        
2 A' 3494 3420        
3 A' 3055 2990        
4 A' 1759 1721        
5 A' 1425 1395        
6 A' 1352 1324        
7 A' 1205 1180        
8 A' 1075 1052        
9 A' 607 594        
10 A" 1025 1003        
11 A" 827 810        
12 A" 359 351        

Unscaled Zero Point Vibrational Energy (zpe) 10019.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9807.2 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)/cc-pVDZ
ABC
2.54506 0.36588 0.31989

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.379 0.000
O2 -1.014 -0.532 0.000
N3 1.210 -0.031 0.000
H4 -0.334 1.438 0.000
H5 -1.845 -0.039 0.000
H6 1.820 0.798 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36291.27761.10981.89241.8672
O21.36292.27932.08350.96653.1298
N31.27762.27932.13073.05541.0288
H41.10982.08352.13072.11362.2466
H51.89240.96653.05542.11363.7596
H61.86723.12981.02882.24663.7596

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.432 C1 N3 H6 107.621
O2 C1 N3 119.323 O2 C1 H4 114.443
N3 C1 H4 126.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-169.448666
Energy at 298.15K-169.452812
HF Energy-168.925997
Nuclear repulsion energy70.575839
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)/cc-pVDZ
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' 3751 3671        
2 A' 3502 3428        
3 A' 3133 3066        
4 A' 1737 1700        
5 A' 1404 1375        
6 A' 1389 1360        
7 A' 1203 1178        
8 A' 1083 1060        
9 A' 577 565        
10 A" 1037 1015        
11 A" 831 813        
12 A" 623 610        

Unscaled Zero Point Vibrational Energy (zpe) 10135.1 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9920.2 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)/cc-pVDZ
ABC
2.31356 0.37870 0.32543

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.422 0.000
O2 -1.123 -0.335 0.000
N3 1.168 -0.105 0.000
H4 -0.261 1.495 0.000
H5 -0.800 -1.255 0.000
H6 1.870 0.646 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35401.28061.10461.85731.8838
O21.35402.30182.02260.97453.1499
N31.28062.30182.14462.27881.0282
H41.10462.02262.14462.80172.2947
H51.85730.97452.27882.80173.2775
H61.88383.14991.02822.29473.2775

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 104.626 C1 N3 H6 108.876
O2 C1 N3 121.759 O2 C1 H4 110.295
N3 C1 H4 127.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-169.444396
Energy at 298.15K-169.448479
HF Energy-168.920421
Nuclear repulsion energy70.184925
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)/cc-pVDZ
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' 3778 3698        
2 A' 3405 3333        
3 A' 3194 3126        
4 A' 1730 1693        
5 A' 1408 1378        
6 A' 1379 1350        
7 A' 1150 1126        
8 A' 1099 1076        
9 A' 577 565        
10 A" 1072 1050        
11 A" 838 820        
12 A" 518 507        

Unscaled Zero Point Vibrational Energy (zpe) 10073.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9860.0 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)/cc-pVDZ
ABC
2.20866 0.37154 0.31804

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
O2 -1.112 -0.350 0.000
N3 1.238 0.118 0.000
H4 -0.296 1.503 0.000
H5 -0.807 -1.273 0.000
H6 1.331 -0.914 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36531.28001.10041.89601.9001
O21.36532.39592.02390.97192.5066
N31.28002.39592.06682.47331.0355
H41.10042.02392.06682.82202.9128
H51.89600.97192.47332.82202.1680
H61.90012.50661.03552.91282.1680

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.235 C1 N3 H6 109.838
O2 C1 N3 129.807 O2 C1 H4 109.869
N3 C1 H4 120.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability