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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD/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 CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-169.604609
Energy at 298.15K-169.608611
HF Energy-168.976495
Nuclear repulsion energy70.910577
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/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' 3892 3720 83.82      
2 A' 3559 3402 10.81      
3 A' 3101 2964 35.38      
4 A' 1775 1696 200.88      
5 A' 1437 1374 17.48      
6 A' 1353 1293 162.31      
7 A' 1212 1159 41.67      
8 A' 1078 1031 200.74      
9 A' 620 592 1.12      
10 A" 1051 1005 2.25      
11 A" 843 806 60.80      
12 A" 388 371 68.01      

Unscaled Zero Point Vibrational Energy (zpe) 10154.2 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9705.3 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/aug-cc-pVTZ
ABC
2.64276 0.37111 0.32541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.376 0.000
O2 -1.003 -0.533 0.000
N3 1.197 -0.017 0.000
H4 -0.330 1.416 0.000
H5 -1.845 -0.075 0.000
H6 1.817 0.785 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35291.25991.09101.89941.8631
O21.35292.25962.06120.95893.1130
N31.25992.25962.09363.04301.0141
H41.09102.06122.09362.12552.2377
H51.89940.95893.04302.12553.7623
H61.86313.11301.01412.23773.7623

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.310 C1 N3 H6 109.557
O2 C1 N3 119.687 O2 C1 H4 114.576
N3 C1 H4 125.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-169.612903
Energy at 298.15K-169.617064
HF Energy-168.985581
Nuclear repulsion energy71.250211
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/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' 3802 3634 60.64      
2 A' 3564 3407 10.50      
3 A' 3165 3025 18.52      
4 A' 1749 1672 274.74      
5 A' 1417 1355 22.03      
6 A' 1393 1331 0.74      
7 A' 1210 1157 95.31      
8 A' 1089 1041 184.36      
9 A' 594 567 48.47      
10 A" 1066 1019 0.37      
11 A" 845 807 34.22      
12 A" 606 579 163.42      

Unscaled Zero Point Vibrational Energy (zpe) 10249.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9796.8 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/aug-cc-pVTZ
ABC
2.38303 0.38431 0.33094

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.417 0.000
O2 -1.111 -0.339 0.000
N3 1.157 -0.091 0.000
H4 -0.252 1.474 0.000
H5 -0.819 -1.259 0.000
H6 1.864 0.635 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34421.26341.08661.86571.8765
O21.34422.28152.00630.96553.1306
N31.26342.28152.10582.29521.0136
H41.08662.00632.10582.79142.2763
H51.86570.96552.29522.79143.2842
H61.87653.13061.01362.27633.2842

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.605 C1 N3 H6 110.521
O2 C1 N3 122.050 O2 C1 H4 110.810
N3 C1 H4 127.140
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-169.607331
Energy at 298.15K-169.611421
HF Energy-168.979308
Nuclear repulsion energy70.883748
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/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' 3835 3666 44.96      
2 A' 3483 3329 7.80      
3 A' 3210 3068 7.31      
4 A' 1748 1671 265.89      
5 A' 1424 1361 3.33      
6 A' 1377 1316 32.20      
7 A' 1148 1097 247.96      
8 A' 1101 1053 50.79      
9 A' 599 572 32.24      
10 A" 1088 1039 60.58      
11 A" 862 823 48.46      
12 A" 492 470 72.22      

Unscaled Zero Point Vibrational Energy (zpe) 10183.0 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 9732.9 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/aug-cc-pVTZ
ABC
2.24000 0.37936 0.32442

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
O2 -1.098 -0.353 0.000
N3 1.221 0.121 0.000
H4 -0.296 1.485 0.000
H5 -0.822 -1.275 0.000
H6 1.355 -0.890 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35561.26251.08341.90441.9005
O21.35562.36662.00460.96272.5114
N31.26252.36662.03992.47471.0195
H41.08342.00462.03992.80952.8922
H51.90440.96272.47472.80952.2117
H61.90052.51141.01952.89222.2117

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.293 C1 N3 H6 112.340
O2 C1 N3 129.327 O2 C1 H4 110.048
N3 C1 H4 120.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability