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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)/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(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-169.632260
Energy at 298.15K-169.636241
HF Energy-168.975497
Nuclear repulsion energy70.645715
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)/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' 3843 3727        
2 A' 3519 3413        
3 A' 3072 2979        
4 A' 1731 1679        
5 A' 1411 1368        
6 A' 1333 1293        
7 A' 1194 1158        
8 A' 1060 1028        
9 A' 609 590        
10 A" 1024 993        
11 A" 827 802        
12 A" 390 379        

Unscaled Zero Point Vibrational Energy (zpe) 10005.1 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 9704.0 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)/aug-cc-pVTZ
ABC
2.60518 0.36908 0.32328

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.379 0.000
O2 -1.007 -0.532 0.000
N3 1.201 -0.022 0.000
H4 -0.331 1.421 0.000
H5 -1.849 -0.067 0.000
H6 1.825 0.782 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35801.26651.09331.90231.8685
O21.35802.26612.06690.96223.1214
N31.26652.26612.10503.05071.0173
H41.09332.06692.10502.12602.2485
H51.90230.96223.05072.12603.7706
H61.86853.12141.01732.24853.7706

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.948 C1 N3 H6 109.317
O2 C1 N3 119.369 O2 C1 H4 114.531
N3 C1 H4 126.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-169.640508
Energy at 298.15K-169.644646
HF Energy-168.984589
Nuclear repulsion energy70.981972
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)/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' 3746 3634        
2 A' 3524 3418        
3 A' 3140 3045        
4 A' 1706 1655        
5 A' 1391 1349        
6 A' 1374 1333        
7 A' 1190 1154        
8 A' 1070 1038        
9 A' 583 565        
10 A" 1038 1007        
11 A" 828 804        
12 A" 606 587        

Unscaled Zero Point Vibrational Energy (zpe) 10097.8 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 9793.9 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(T)/aug-cc-pVTZ
ABC
2.35515 0.38196 0.32866

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
O2 -1.116 -0.338 0.000
N3 1.161 -0.095 0.000
H4 -0.254 1.479 0.000
H5 -0.816 -1.260 0.000
H6 1.871 0.632 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34921.27011.08861.86811.8826
O21.34922.28922.01130.96933.1401
N31.27012.28922.11662.29411.0168
H41.08862.01132.11662.79612.2871
H51.86810.96932.29412.79613.2861
H61.88263.14011.01682.28713.2861

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.201 C1 N3 H6 110.328
O2 C1 N3 121.814 O2 C1 H4 110.732
N3 C1 H4 127.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-169.635155
Energy at 298.15K-169.639221
HF Energy-168.978219
Nuclear repulsion energy70.568392
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)/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' 3779 3665        
2 A' 3441 3337        
3 A' 3186 3090        
4 A' 1703 1652        
5 A' 1404 1362        
6 A' 1356 1315        
7 A' 1130 1096        
8 A' 1077 1044        
9 A' 585 567        
10 A" 1063 1031        
11 A" 840 814        
12 A" 495 480        

Unscaled Zero Point Vibrational Energy (zpe) 10029.0 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 9727.1 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)/aug-cc-pVTZ
ABC
2.22713 0.37547 0.32130

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
O2 -1.104 -0.354 0.000
N3 1.228 0.122 0.000
H4 -0.298 1.488 0.000
H5 -0.821 -1.278 0.000
H6 1.358 -0.893 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36221.26921.08531.90781.9057
O21.36222.37952.01030.96652.5204
N31.26922.37952.04762.48101.0228
H41.08532.01032.04762.81482.8998
H51.90780.96652.48102.81482.2130
H61.90572.52041.02282.89982.2130

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.834 C1 N3 H6 112.054
O2 C1 N3 129.425 O2 C1 H4 109.931
N3 C1 H4 120.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability