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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-169.503426
Energy at 298.15K-169.507423
HF Energy-168.922089
Nuclear repulsion energy70.996950
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(2df,p)
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' 3943 3735 79.44      
2 A' 3594 3404 6.74      
3 A' 3119 2954 40.22      
4 A' 1820 1724 163.92      
5 A' 1463 1385 17.53      
6 A' 1375 1302 169.59      
7 A' 1231 1166 39.46      
8 A' 1095 1037 189.42      
9 A' 621 589 1.20      
10 A" 1074 1017 6.48      
11 A" 859 814 52.84      
12 A" 376 357 69.64      

Unscaled Zero Point Vibrational Energy (zpe) 10284.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9741.7 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 CCD/6-31G(2df,p)
ABC
2.64787 0.37210 0.32626

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.373 0.000
O2 -1.002 -0.530 0.000
N3 1.196 -0.019 0.000
H4 -0.332 1.416 0.000
H5 -1.839 -0.066 0.000
H6 1.815 0.786 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34951.25911.09401.89061.8609
O21.34952.25732.05820.95673.1093
N31.25912.25732.09643.03561.0152
H41.09402.05822.09642.11342.2369
H51.89060.95673.03562.11343.7515
H61.86093.10931.01522.23693.7515

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.943 C1 N3 H6 109.345
O2 C1 N3 119.803 O2 C1 H4 114.368
N3 C1 H4 125.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-169.512426
Energy at 298.15K-169.516604
HF Energy-168.931853
Nuclear repulsion energy71.324176
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(2df,p)
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' 3853 3650 58.37      
2 A' 3600 3410 7.70      
3 A' 3184 3016 23.06      
4 A' 1797 1702 231.37      
5 A' 1438 1362 27.21      
6 A' 1418 1343 3.24      
7 A' 1225 1160 102.93      
8 A' 1103 1045 171.91      
9 A' 598 566 49.17      
10 A" 1088 1031 0.10      
11 A" 862 817 29.41      
12 A" 622 589 172.34      

Unscaled Zero Point Vibrational Energy (zpe) 10393.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9844.5 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(2df,p)
ABC
2.39582 0.38473 0.33150

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.414 0.000
O2 -1.111 -0.339 0.000
N3 1.157 -0.090 0.000
H4 -0.260 1.472 0.000
H5 -0.813 -1.255 0.000
H6 1.860 0.641 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.34181.26201.08951.85661.8738
O21.34182.28092.00110.96353.1280
N31.26202.28092.10912.28801.0146
H41.08952.00112.10912.78302.2769
H51.85660.96352.28802.78303.2769
H61.87383.12801.01462.27693.2769

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.124 C1 N3 H6 110.312
O2 C1 N3 122.293 O2 C1 H4 110.355
N3 C1 H4 127.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-169.507356
Energy at 298.15K-169.511472
HF Energy-168.926239
Nuclear repulsion energy70.977434
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(2df,p)
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' 3884 3679 38.50      
2 A' 3521 3335 3.06      
3 A' 3237 3066 9.92      
4 A' 1793 1698 229.09      
5 A' 1445 1368 2.63      
6 A' 1403 1329 22.27      
7 A' 1158 1097 265.10      
8 A' 1118 1059 30.72      
9 A' 607 574 35.19      
10 A" 1114 1055 56.27      
11 A" 880 834 52.73      
12 A" 512 485 79.04      

Unscaled Zero Point Vibrational Energy (zpe) 10335.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 9789.4 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 CCD/6-31G(2df,p)
ABC
2.26056 0.37959 0.32502

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.438 0.000
O2 -1.098 -0.350 0.000
N3 1.221 0.122 0.000
H4 -0.298 1.482 0.000
H5 -0.820 -1.270 0.000
H6 1.351 -0.890 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35171.26151.08581.89501.8951
O21.35172.36641.99980.96072.5078
N31.26152.36642.03932.47051.0204
H41.08581.99982.03932.80172.8895
H51.89500.96072.47052.80172.2043
H61.89512.50781.02042.88952.2043

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.897 C1 N3 H6 111.863
O2 C1 N3 129.769 O2 C1 H4 109.783
N3 C1 H4 120.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability