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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: QCISD(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 QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-169.439437
Energy at 298.15K-169.443387
HF Energy-168.915219
Nuclear repulsion energy70.197719
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(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' 3853 3673        
2 A' 3494 3330        
3 A' 3052 2909        
4 A' 1756 1674        
5 A' 1423 1356        
6 A' 1351 1287        
7 A' 1203 1147        
8 A' 1073 1023        
9 A' 606 578        
10 A" 1023 975        
11 A" 826 788        
12 A" 361 344        

Unscaled Zero Point Vibrational Energy (zpe) 10011.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9541.5 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(T)/cc-pVDZ
ABC
2.54275 0.36572 0.31974

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.380 0.000
O2 -1.014 -0.532 0.000
N3 1.210 -0.031 0.000
H4 -0.335 1.438 0.000
H5 -1.846 -0.039 0.000
H6 1.820 0.797 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36351.27791.11011.89251.8676
O21.36352.27982.08390.96673.1305
N31.27792.27982.13173.05571.0288
H41.11012.08392.13172.11312.2481
H51.89250.96673.05572.11313.7601
H61.86763.13051.02882.24813.7601

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.389 C1 N3 H6 107.635
O2 C1 N3 119.303 O2 C1 H4 114.415
N3 C1 H4 126.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-169.449235
Energy at 298.15K-169.453380
HF Energy-168.925919
Nuclear repulsion energy70.558441
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(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' 3747 3571        
2 A' 3502 3338        
3 A' 3131 2984        
4 A' 1734 1653        
5 A' 1402 1336        
6 A' 1387 1322        
7 A' 1202 1146        
8 A' 1081 1030        
9 A' 577 550        
10 A" 1036 987        
11 A" 830 791        
12 A" 624 595        

Unscaled Zero Point Vibrational Energy (zpe) 10126.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9651.2 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 QCISD(T)/cc-pVDZ
ABC
2.31181 0.37854 0.32528

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(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 -0.336 0.000
N3 1.168 -0.105 0.000
H4 -0.262 1.495 0.000
H5 -0.799 -1.255 0.000
H6 1.871 0.645 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35451.28091.10471.85731.8843
O21.35452.30242.02290.97473.1506
N31.28092.30242.14552.27841.0282
H41.10472.02292.14552.80172.2960
H51.85730.97472.27842.80173.2772
H61.88433.15061.02822.29603.2772

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 104.579 C1 N3 H6 108.890
O2 C1 N3 121.739 O2 C1 H4 110.274
N3 C1 H4 127.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-169.444985
Energy at 298.15K-169.449066
HF Energy-168.920330
Nuclear repulsion energy70.160770
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(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' 3775 3598        
2 A' 3404 3245        
3 A' 3192 3043        
4 A' 1727 1646        
5 A' 1406 1340        
6 A' 1377 1312        
7 A' 1149 1095        
8 A' 1096 1045        
9 A' 576 549        
10 A" 1071 1021        
11 A" 837 797        
12 A" 519 495        

Unscaled Zero Point Vibrational Energy (zpe) 10064.5 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9592.5 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(T)/cc-pVDZ
ABC
2.20842 0.37119 0.31778

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(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 1.239 0.118 0.000
H4 -0.297 1.503 0.000
H5 -0.807 -1.273 0.000
H6 1.332 -0.913 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36601.28041.10051.89621.9006
O21.36602.39702.02420.97212.5080
N31.28042.39702.06732.47391.0355
H41.10052.02422.06732.82212.9134
H51.89620.97212.47392.82212.1689
H61.90062.50801.03552.91342.1689

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.186 C1 N3 H6 109.851
O2 C1 N3 129.827 O2 C1 H4 109.841
N3 C1 H4 120.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability