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All results from a given calculation for CHONH2 (formamide)

using model chemistry: MP2=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Planar 1A'
1 2 no Non-Planar 1A

Conformer 1 (Planar)

Jump to S1C2
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-169.750489
Energy at 298.15K-169.754158
HF Energy-169.015335
Nuclear repulsion energy71.507445
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 MP2=FULL/cc-pVQZ
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' 3792 3629 60.84      
2 A' 3641 3485 55.01      
3 A' 3033 2903 81.32      
4 A' 1810 1732 382.89      
5 A' 1624 1554 58.09      
6 A' 1435 1374 4.82      
7 A' 1291 1236 105.64      
8 A' 1061 1016 4.68      
9 A' 569 545 10.49      
10 A" 1058 1012 3.42      
11 A" 646 619 13.58      
12 A" 197 189 208.38      

Unscaled Zero Point Vibrational Energy (zpe) 10078.5 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 9646.1 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 MP2=FULL/cc-pVQZ
ABC
2.47362 0.38187 0.33080

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
O2 1.195 0.225 0.000
N3 -0.938 -0.555 0.000
H4 -0.440 1.423 0.000
H5 -0.648 -1.514 0.000
H6 -1.912 -0.333 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21081.35151.09682.03772.0540
O21.21082.27152.02672.53433.1568
N31.35152.27152.03981.00160.9989
H41.09682.02672.03982.94412.2913
H52.03772.53431.00162.94411.7296
H62.05403.15680.99892.29131.7296

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.233 C1 N3 H6 121.093
O2 C1 N3 124.782 O2 C1 H4 122.794
N3 C1 H4 112.424 H5 N3 H6 119.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Non-Planar)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-169.750489
Energy at 298.15K-169.754156
HF Energy-169.015335
Nuclear repulsion energy71.511188
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 MP2=FULL/cc-pVQZ
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 3793 3630 60.86      
2 A 3642 3485 55.03      
3 A 3034 2904 81.19      
4 A 1809 1732 383.02      
5 A 1623 1554 57.93      
6 A 1435 1373 4.80      
7 A 1292 1236 105.52      
8 A 1061 1016 4.61      
9 A 1058 1012 3.42      
10 A 646 619 13.72      
11 A 569 545 10.52      
12 A 196 188 208.24      

Unscaled Zero Point Vibrational Energy (zpe) 10078.5 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 9646.1 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 MP2=FULL/cc-pVQZ
ABC
2.47287 0.38198 0.33087

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.158 0.387 0.000
O2 -1.192 -0.244 0.000
N3 1.078 -0.159 -0.000
H4 -0.132 1.484 -0.000
H5 1.172 -1.156 0.000
H6 1.896 0.415 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21091.35131.09682.03722.0541
O21.21092.27122.02662.53323.1568
N31.35132.27122.04001.00160.9988
H41.09682.02662.04002.94412.2922
H52.03722.53321.00162.94411.7295
H62.05413.15680.99882.29221.7295

picture of formamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.201 C1 N3 H6 121.128
O2 C1 N3 124.760 O2 C1 H4 122.778
N3 C1 H4 112.462 H5 N3 H6 119.671
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability