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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)/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(T)/cc-pVTZ
 hartrees
Energy at 0K-169.616570
Energy at 298.15K-169.620555
HF Energy-168.971481
Nuclear repulsion energy70.703106
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-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' 3868 3770        
2 A' 3528 3439        
3 A' 3071 2993        
4 A' 1749 1705        
5 A' 1423 1388        
6 A' 1344 1311        
7 A' 1201 1171        
8 A' 1068 1041        
9 A' 611 596        
10 A" 1035 1009        
11 A" 833 812        
12 A" 385 376        

Unscaled Zero Point Vibrational Energy (zpe) 10058.2 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 9804.7 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-pVTZ
ABC
2.61467 0.36928 0.32358

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.377 0.000
O2 -1.006 -0.534 0.000
N3 1.202 -0.020 0.000
H4 -0.334 1.418 0.000
H5 -1.842 -0.061 0.000
H6 1.814 0.791 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35711.26561.09301.89381.8608
O21.35712.26722.06390.96063.1161
N31.26562.26722.10353.04461.0163
H41.09302.06392.10352.11242.2373
H51.89380.96063.04462.11243.7545
H61.86083.11611.01632.23733.7545

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.379 C1 N3 H6 108.771
O2 C1 N3 119.597 O2 C1 H4 114.354
N3 C1 H4 126.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-169.625372
Energy at 298.15K-169.629523
HF Energy-168.981063
Nuclear repulsion energy71.058357
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-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' 3770 3675        
2 A' 3534 3445        
3 A' 3141 3061        
4 A' 1723 1680        
5 A' 1404 1369        
6 A' 1385 1350        
7 A' 1196 1166        
8 A' 1077 1050        
9 A' 584 569        
10 A" 1050 1023        
11 A" 836 815        
12 A" 614 599        

Unscaled Zero Point Vibrational Energy (zpe) 10156.7 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 9900.7 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-pVTZ
ABC
2.36101 0.38270 0.32932

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 -1.115 -0.339 0.000
N3 1.160 -0.095 0.000
H4 -0.256 1.477 0.000
H5 -0.807 -1.256 0.000
H6 1.863 0.638 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34831.26901.08821.85931.8756
O21.34832.28802.00900.96773.1340
N31.26902.28802.11572.28341.0158
H41.08822.00902.11572.78802.2785
H51.85930.96772.28342.78803.2730
H61.87563.13401.01582.27853.2730

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 105.614 C1 N3 H6 109.861
O2 C1 N3 121.869 O2 C1 H4 110.628
N3 C1 H4 127.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-169.620374
Energy at 298.15K-169.624460
HF Energy-168.974981
Nuclear repulsion energy70.663405
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-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' 3799 3703        
2 A' 3443 3356        
3 A' 3191 3110        
4 A' 1718 1675        
5 A' 1414 1378        
6 A' 1371 1337        
7 A' 1137 1108        
8 A' 1089 1061        
9 A' 590 576        
10 A" 1078 1050        
11 A" 849 827        
12 A" 506 493        

Unscaled Zero Point Vibrational Energy (zpe) 10091.4 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 9837.1 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)/cc-pVTZ
ABC
2.23229 0.37663 0.32226

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
O2 -1.103 -0.353 0.000
N3 1.227 0.121 0.000
H4 -0.296 1.487 0.000
H5 -0.811 -1.273 0.000
H6 1.344 -0.895 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36041.26831.08471.89851.8968
O21.36042.37722.00920.96522.5064
N31.26832.37722.04562.46901.0225
H41.08472.00922.04562.80782.8919
H51.89850.96522.46902.80782.1884
H61.89682.50641.02252.89192.1884

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.250 C1 N3 H6 111.341
O2 C1 N3 129.428 O2 C1 H4 110.005
N3 C1 H4 120.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability