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All results from a given calculation for CHONH2 (formamide)

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

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

Conformer 1 (Planar)

Jump to S1C2
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-169.793071
Energy at 298.15K-169.796539
HF Energy-169.611473
Nuclear repulsion energy71.193440
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/6-311G*
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' 3766 3766 30.73      
2 A' 3626 3626 29.29      
3 A' 2978 2978 124.52      
4 A' 1820 1820 379.74      
5 A' 1669 1669 56.88      
6 A' 1436 1436 6.16      
7 A' 1285 1285 103.60      
8 A' 1070 1070 5.36      
9 A' 570 570 11.51      
10 A" 1048 1048 1.08      
11 A" 657 657 19.71      
12 A" 76 76 273.73      

Unscaled Zero Point Vibrational Energy (zpe) 10000.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10000.1 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 B2PLYP=FULL/6-311G*
ABC
2.46902 0.37741 0.32737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 1.198 0.240 0.000
N3 -0.938 -0.567 0.000
H4 -0.457 1.425 0.000
H5 -0.640 -1.528 0.000
H6 -1.921 -0.361 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21151.36091.10522.04862.0728
O21.21152.28422.03532.55033.1764
N31.36092.28422.04941.00601.0036
H41.10522.03532.04942.95822.3093
H52.04862.55031.00602.95821.7326
H62.07283.17641.00362.30931.7326

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.130 C1 N3 H6 121.749
O2 C1 N3 125.136 O2 C1 H4 122.867
N3 C1 H4 111.997 H5 N3 H6 119.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Non-Planar)

Jump to S1C1
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-169.793073
Energy at 298.15K-169.796525
HF Energy-169.611470
Nuclear repulsion energy71.193490
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/6-311G*
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 3766 3766 30.79      
2 A 3627 3627 29.32      
3 A 2980 2980 124.28      
4 A 1819 1819 379.89      
5 A 1669 1669 56.56      
6 A 1436 1436 6.18      
7 A 1286 1286 103.46      
8 A 1070 1070 5.28      
9 A 1048 1048 1.09      
10 A 657 657 20.05      
11 A 570 570 11.53      
12 A 67 67 273.30      

Unscaled Zero Point Vibrational Energy (zpe) 9996.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9996.7 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/6-311G*
ABC
2.46850 0.37745 0.32739

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.163 0.386 0.000
O2 -1.197 -0.245 0.000
N3 1.085 -0.157 -0.000
H4 -0.134 1.490 -0.000
H5 1.183 -1.158 0.000
H6 1.910 0.415 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21171.36071.10502.04812.0728
O21.21172.28412.03502.54953.1765
N31.36072.28412.04971.00601.0036
H41.10502.03502.04972.95822.3101
H52.04812.54951.00602.95821.7327
H62.07283.17651.00362.31011.7327

picture of formamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.095 C1 N3 H6 121.769
O2 C1 N3 125.123 O2 C1 H4 122.835
N3 C1 H4 112.042 H5 N3 H6 119.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability