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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: B2PLYP=FULL/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 3 yes CS CH up 1A'

Conformer 1 (CS H all up)

Jump to S1C2 S1C3
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-169.574381
Energy at 298.15K-169.578332
HF Energy-169.460594
Nuclear repulsion energy69.684362
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 B2PLYP=FULL/6-31G
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' 3686 3686 35.64      
2 A' 3498 3498 4.23      
3 A' 3084 3084 63.03      
4 A' 1751 1751 139.72      
5 A' 1441 1441 11.17      
6 A' 1293 1293 140.91      
7 A' 1174 1174 52.35      
8 A' 1000 1000 286.95      
9 A' 615 615 2.55      
10 A" 1059 1059 5.56      
11 A" 839 839 85.70      
12 A" 374 374 105.31      

Unscaled Zero Point Vibrational Energy (zpe) 9906.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9906.4 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 B2PLYP=FULL/6-31G
ABC
2.55776 0.35803 0.31406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.395 0.000
O2 -1.015 -0.550 0.000
N3 1.211 -0.003 0.000
H4 -0.353 1.431 0.000
H5 -1.897 -0.133 0.000
H6 1.894 0.758 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.38711.27491.09491.96901.9286
O21.38712.29262.08920.97523.1900
N31.27492.29262.12243.11071.0227
H41.09492.08922.12242.19782.3459
H51.96900.97523.11072.19783.8943
H61.92863.19001.02272.34593.8943

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 111.732 C1 N3 H6 113.699
O2 C1 N3 118.852 O2 C1 H4 114.132
N3 C1 H4 127.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-169.574381
Energy at 298.15K-169.578332
HF Energy-169.460594
Nuclear repulsion energy69.684362
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 B2PLYP=FULL/6-31G
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/6-31G
ABC
2.55776 0.35803 0.31406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-169.581446
Energy at 298.15K-169.585488
HF Energy-169.466941
Nuclear repulsion energy69.316795
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 B2PLYP=FULL/6-31G
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' 3618 3618 13.82      
2 A' 3425 3425 11.11      
3 A' 3282 3282 8.44      
4 A' 1684 1684 174.01      
5 A' 1434 1434 0.03      
6 A' 1308 1308 19.03      
7 A' 1102 1102 268.52      
8 A' 1013 1013 131.65      
9 A' 563 563 34.82      
10 A" 1092 1092 98.54      
11 A" 844 844 58.36      
12 A" 513 513 137.30      

Unscaled Zero Point Vibrational Energy (zpe) 9938.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9938.7 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 B2PLYP=FULL/6-31G
ABC
2.21389 0.35715 0.30753

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.447 0.000
O2 -1.123 -0.383 0.000
N3 1.246 0.155 0.000
H4 -0.329 1.478 0.000
H5 -0.891 -1.335 0.000
H6 1.484 -0.845 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.39681.27951.08141.99291.9684
O21.39682.42882.02320.98032.6480
N31.27952.42882.05642.60441.0282
H41.08142.02322.05642.86872.9469
H51.99290.98032.60442.86872.4248
H61.96842.64801.02822.94692.4248

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 112.768 C1 N3 H6 116.654
O2 C1 N3 130.284 O2 C1 H4 108.789
N3 C1 H4 120.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability