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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCD/6-31G**

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 CCD/6-31G**
 hartrees
Energy at 0K-169.405539
Energy at 298.15K-169.409504
HF Energy-168.906985
Nuclear repulsion energy70.676431
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 CCD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3950 3704 62.66      
2 A' 3602 3377 1.51      
3 A' 3143 2947 52.35      
4 A' 1829 1714 156.12      
5 A' 1489 1396 14.31      
6 A' 1374 1289 163.05      
7 A' 1234 1157 59.18      
8 A' 1098 1030 193.71      
9 A' 621 582 0.89      
10 A" 1071 1004 9.03      
11 A" 856 802 54.28      
12 A" 349 328 81.15      

Unscaled Zero Point Vibrational Energy (zpe) 10308.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 9664.8 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 CCD/6-31G**
ABC
2.61400 0.36899 0.32335

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.378 0.000
O2 -1.005 -0.536 0.000
N3 1.201 -0.017 0.000
H4 -0.333 1.419 0.000
H5 -1.849 -0.076 0.000
H6 1.816 0.792 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35891.26471.09231.90391.8628
O21.35892.26682.06710.96073.1186
N31.26472.26682.10123.05071.0166
H41.09232.06712.10122.12902.2385
H51.90390.96073.05072.12903.7666
H61.86283.11861.01662.23853.7666

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.118 C1 N3 H6 109.006
O2 C1 N3 119.498 O2 C1 H4 114.541
N3 C1 H4 125.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-169.415671
Energy at 298.15K-169.419844
HF Energy-168.918408
Nuclear repulsion energy71.036839
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 CCD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3871 3630 48.65      
2 A' 3615 3389 2.08      
3 A' 3218 3017 30.29      
4 A' 1806 1693 225.32      
5 A' 1461 1370 24.94      
6 A' 1416 1327 5.43      
7 A' 1231 1154 99.75      
8 A' 1108 1039 186.65      
9 A' 597 560 51.99      
10 A" 1083 1015 0.23      
11 A" 860 807 32.43      
12 A" 620 581 200.44      

Unscaled Zero Point Vibrational Energy (zpe) 10442.6 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 9790.9 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 CCD/6-31G**
ABC
2.36549 0.38204 0.32892

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 -1.114 -0.343 0.000
N3 1.161 -0.090 0.000
H4 -0.261 1.475 0.000
H5 -0.812 -1.261 0.000
H6 1.864 0.642 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35021.26751.08741.86681.8777
O21.35022.28902.00820.96693.1375
N31.26752.28902.11442.29461.0156
H41.08742.00822.11442.79142.2828
H51.86680.96692.29462.79143.2847
H61.87773.13751.01562.28283.2847

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 110.169
O2 C1 N3 121.930 O2 C1 H4 110.481
N3 C1 H4 127.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-169.410330
Energy at 298.15K-169.414424
HF Energy-168.912325
Nuclear repulsion energy70.638573
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 CCD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3896 3653 28.16      
2 A' 3532 3311 6.59      
3 A' 3275 3070 14.27      
4 A' 1800 1687 220.39      
5 A' 1455 1364 3.46      
6 A' 1402 1314 21.03      
7 A' 1161 1088 257.61      
8 A' 1122 1052 51.12      
9 A' 602 565 38.13      
10 A" 1113 1044 68.38      
11 A" 867 813 55.20      
12 A" 496 465 95.86      

Unscaled Zero Point Vibrational Energy (zpe) 10359.7 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 9713.2 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 CCD/6-31G**
ABC
2.24396 0.37539 0.32159

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.103 -0.357 0.000
N3 1.227 0.127 0.000
H4 -0.299 1.483 0.000
H5 -0.827 -1.281 0.000
H6 1.358 -0.886 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36131.26691.08341.91121.8992
O21.36132.37932.00740.96442.5165
N31.26692.37932.04192.49051.0215
H41.08342.00742.04192.81402.8912
H51.91120.96442.49052.81402.2203
H61.89922.51651.02152.89122.2203

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.334 C1 N3 H6 111.739
O2 C1 N3 129.689 O2 C1 H4 109.871
N3 C1 H4 120.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability