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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: MP4=FULL/aug-cc-pVTZ

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 MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.686941
Energy at 298.15K-169.690937
HF Energy-168.975912
Nuclear repulsion energy70.792929
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 MP4=FULL/aug-cc-pVTZ
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' 3844 3726        
2 A' 3534 3426        
3 A' 3081 2986        
4 A' 1725 1672        
5 A' 1401 1358        
6 A' 1329 1288        
7 A' 1191 1155        
8 A' 1055 1022        
9 A' 608 589        
10 A" 1026 995        
11 A" 831 806        
12 A" 405 393        

Unscaled Zero Point Vibrational Energy (zpe) 10015.1 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 9707.6 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 MP4=FULL/aug-cc-pVTZ
ABC
2.61511 0.37068 0.32466

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.379 0.000
O2 -1.005 -0.530 0.000
N3 1.199 -0.023 0.000
H4 -0.331 1.416 0.000
H5 -1.845 -0.064 0.000
H6 1.822 0.778 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35511.26451.08881.89791.8654
O21.35512.26122.06000.96113.1150
N31.26452.26122.10033.04461.0149
H41.08882.06002.10032.11822.2457
H51.89790.96113.04462.11823.7631
H61.86543.11501.01492.24573.7631

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.860 C1 N3 H6 109.358
O2 C1 N3 119.314 O2 C1 H4 114.465
N3 C1 H4 126.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.695208
Energy at 298.15K-169.699352
HF Energy-168.984975
Nuclear repulsion energy71.104534
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 MP4=FULL/aug-cc-pVTZ
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' 3742 3627        
2 A' 3536 3428        
3 A' 3149 3052        
4 A' 1700 1648        
5 A' 1384 1342        
6 A' 1373 1331        
7 A' 1185 1149        
8 A' 1064 1031        
9 A' 581 563        
10 A" 1044 1012        
11 A" 831 805        
12 A" 619 600        

Unscaled Zero Point Vibrational Energy (zpe) 10103.8 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 9793.6 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 MP4=FULL/aug-cc-pVTZ
ABC
2.37124 0.38281 0.32960

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 -1.114 -0.338 0.000
N3 1.160 -0.094 0.000
H4 -0.257 1.472 0.000
H5 -0.815 -1.259 0.000
H6 1.867 0.633 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34681.26811.08421.86501.8792
O21.34682.28682.00270.96853.1352
N31.26812.28682.11202.29231.0146
H41.08422.00272.11202.78732.2835
H51.86500.96852.29232.78733.2819
H61.87923.13521.01462.28353.2819

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.173 C1 N3 H6 110.322
O2 C1 N3 121.954 O2 C1 H4 110.473
N3 C1 H4 127.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.689952
Energy at 298.15K-169.694029
HF Energy-168.978601
Nuclear repulsion energy70.676331
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 MP4=FULL/aug-cc-pVTZ
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' 3777 3661        
2 A' 3456 3350        
3 A' 3202 3104        
4 A' 1697 1645        
5 A' 1406 1362        
6 A' 1349 1308        
7 A' 1124 1089        
8 A' 1071 1039        
9 A' 583 565        
10 A" 1067 1034        
11 A" 842 817        
12 A" 511 496        

Unscaled Zero Point Vibrational Energy (zpe) 10042.5 cm-1
Scaled (by 0.9693) Zero Point Vibrational Energy (zpe) 9734.2 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 MP4=FULL/aug-cc-pVTZ
ABC
2.24588 0.37584 0.32196

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.103 -0.353 0.000
N3 1.227 0.123 0.000
H4 -0.299 1.480 0.000
H5 -0.822 -1.277 0.000
H6 1.362 -0.889 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35991.26731.08071.90491.9035
O21.35992.37802.00240.96562.5224
N31.26732.37802.04182.48081.0204
H41.08072.00242.04182.80632.8928
H51.90490.96562.48082.80632.2175
H61.90352.52241.02042.89282.2175

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.814 C1 N3 H6 112.180
O2 C1 N3 129.654 O2 C1 H4 109.729
N3 C1 H4 120.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability