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All results from a given calculation for CHONH2 (formamide)

using model chemistry: MP4=FULL/cc-pVTZ

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 MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-169.690991
Energy at 298.15K-169.694478
HF Energy-169.001183
Nuclear repulsion energy71.222043
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 MP4=FULL/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' 3765 3625        
2 A' 3626 3491        
3 A' 2986 2875        
4 A' 1788 1721        
5 A' 1629 1569        
6 A' 1428 1375        
7 A' 1281 1233        
8 A' 1047 1009        
9 A' 562 541        
10 A" 1059 1020        
11 A" 646 622        
12 A" 90 86        

Unscaled Zero Point Vibrational Energy (zpe) 9953.2 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9583.9 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 MP4=FULL/cc-pVTZ
ABC
2.46812 0.37794 0.32775

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
O2 1.201 0.229 0.000
N3 -0.942 -0.559 0.000
H4 -0.447 1.422 0.000
H5 -0.652 -1.520 0.000
H6 -1.918 -0.336 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21621.35711.09862.04482.0612
O21.21622.28352.03472.54833.1702
N31.35712.28352.04131.00371.0010
H41.09862.03472.04132.94862.2924
H52.04482.54831.00372.94861.7326
H62.06123.17021.00102.29241.7326

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.272 C1 N3 H6 121.134
O2 C1 N3 125.002 O2 C1 H4 122.968
N3 C1 H4 112.029 H5 N3 H6 119.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Non-Planar)

Jump to S1C1
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-169.690990
Energy at 298.15K-169.694487
HF Energy-169.001194
Nuclear repulsion energy71.222124
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 MP4=FULL/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 3766 3626        
2 A 3628 3493        
3 A 2985 2875        
4 A 1788 1721        
5 A 1630 1570        
6 A 1428 1375        
7 A 1280 1233        
8 A 1059 1020        
9 A 1047 1008        
10 A 644 620        
11 A 560 539        
12 A 96 93        

Unscaled Zero Point Vibrational Energy (zpe) 9955.7 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9586.4 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 MP4=FULL/cc-pVTZ
ABC
2.46875 0.37790 0.32774

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.159 0.387 0.000
O2 1.199 -0.244 0.001
N3 -1.083 -0.159 -0.005
H4 0.127 1.485 0.001
H5 -1.181 -1.158 0.012
H6 -1.902 0.416 0.018

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21621.35711.09862.04522.0614
O21.21622.28352.03452.54933.1703
N31.35712.28352.04151.00351.0009
H41.09862.03452.04152.94882.2933
H52.04522.54931.00352.94881.7310
H62.06143.17031.00092.29331.7310

picture of formamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.325 C1 N3 H6 121.164
O2 C1 N3 125.009 O2 C1 H4 122.943
N3 C1 H4 112.047 H5 N3 H6 119.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability