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All results from a given calculation for CHONH2 (formamide)

using model chemistry: MP3=FULL/6-31+G**

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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-169.454853
Energy at 298.15K 
HF Energy-168.947345
Nuclear repulsion energy71.236647
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 MP3=FULL/6-31+G**
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' 3866 3602 60.05      
2 A' 3723 3468 60.28      
3 A' 3111 2898 77.03      
4 A' 1868 1740 503.44      
5 A' 1682 1567 69.93      
6 A' 1473 1372 5.41      
7 A' 1312 1222 138.09      
8 A' 1092 1017 6.45      
9 A' 580 540 12.27      
10 A" 1070 997 2.83      
11 A" 627 584 13.37      
12 A" 167i 155i 280.52      

Unscaled Zero Point Vibrational Energy (zpe) 10118.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 9426.0 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 MP3=FULL/6-31+G**
ABC
2.45228 0.37892 0.32821

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
O2 1.199 0.234 0.000
N3 -0.941 -0.564 0.000
H4 -0.442 1.427 0.000
H5 -0.649 -1.525 0.000
H6 -1.919 -0.351 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21361.36111.09932.05062.0685
O21.21362.28362.02902.55153.1729
N31.36112.28362.05191.00441.0015
H41.09932.02902.05192.95892.3116
H52.05062.55151.00442.95891.7293
H62.06853.17291.00152.31161.7293

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.431 C1 N3 H6 121.463
O2 C1 N3 124.878 O2 C1 H4 122.540
N3 C1 H4 112.582 H5 N3 H6 119.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Non-Planar)

Jump to S1C1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-169.454853
Energy at 298.15K 
HF Energy-168.947345
Nuclear repulsion energy71.238057
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 MP3=FULL/6-31+G**
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 3866 3601 60.08      
2 A 3722 3468 60.25      
3 A 3110 2897 77.05      
4 A 1868 1740 503.51      
5 A 1682 1567 69.84      
6 A 1473 1372 5.41      
7 A 1312 1222 138.08      
8 A 1092 1017 6.43      
9 A 1070 997 2.84      
10 A 628 585 13.53      
11 A 580 540 12.29      
12 A 166i 154i 280.35      

Unscaled Zero Point Vibrational Energy (zpe) 10118.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 9426.1 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 MP3=FULL/6-31+G**
ABC
2.45159 0.37899 0.32824

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.162 0.388 -0.000
O2 -1.197 -0.247 0.000
N3 1.085 -0.157 -0.000
H4 -0.143 1.487 0.000
H5 1.187 -1.156 0.001
H6 1.906 0.416 0.001

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21361.36111.09932.05062.0685
O21.21362.28362.02892.55163.1730
N31.36112.28362.05181.00441.0015
H41.09932.02892.05182.95892.3116
H52.05062.55161.00442.95891.7292
H62.06853.17301.00152.31161.7292

picture of formamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.433 C1 N3 H6 121.466
O2 C1 N3 124.883 O2 C1 H4 122.538
N3 C1 H4 112.578 H5 N3 H6 119.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability