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All results from a given calculation for CHONH2 (formamide)

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.670586
Energy at 298.15K-169.674221
HF Energy-169.005212
Nuclear repulsion energy71.390633
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/aug-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' 3777 3593 59.79      
2 A' 3634 3458 52.33      
3 A' 3033 2886 76.16      
4 A' 1797 1710 416.75      
5 A' 1629 1550 50.51      
6 A' 1429 1360 5.16      
7 A' 1283 1221 114.98      
8 A' 1051 1000 3.96      
9 A' 563 535 10.13      
10 A" 1066 1014 4.61      
11 A" 641 610 12.70      
12 A" 178 169 208.35      

Unscaled Zero Point Vibrational Energy (zpe) 10040.5 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9552.5 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 MP2=FULL/aug-cc-pVTZ
ABC
2.47011 0.38037 0.32961

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.418 0.000
O2 1.196 0.235 0.000
N3 -0.937 -0.562 0.000
H4 -0.451 1.418 0.000
H5 -0.644 -1.521 0.000
H6 -1.914 -0.347 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21001.35531.09732.04292.0614
O21.21002.27682.02812.54333.1643
N31.35532.27682.03831.00321.0006
H41.09732.02812.03832.94542.2928
H52.04292.54331.00322.94541.7296
H62.06143.16431.00062.29281.7296

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.285 C1 N3 H6 121.365
O2 C1 N3 125.039 O2 C1 H4 122.966
N3 C1 H4 111.995 H5 N3 H6 119.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Non-Planar)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-169.670586
Energy at 298.15K-169.674220
HF Energy-169.005222
Nuclear repulsion energy71.396271
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/aug-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 3777 3594 59.78      
2 A 3635 3458 52.35      
3 A 3033 2886 76.16      
4 A 1798 1710 416.88      
5 A 1629 1550 50.49      
6 A 1429 1360 5.11      
7 A 1284 1222 114.90      
8 A 1066 1014 4.61      
9 A 1051 1000 3.92      
10 A 641 610 12.83      
11 A 563 535 10.16      
12 A 177 168 208.22      

Unscaled Zero Point Vibrational Energy (zpe) 10040.8 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9552.8 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/aug-cc-pVTZ
ABC
2.46976 0.38048 0.32969

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.158 0.388 0.000
O2 -1.194 -0.244 -0.000
N3 1.080 -0.159 -0.000
H4 -0.131 1.483 0.000
H5 1.175 -1.157 0.001
H6 1.899 0.416 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.21341.35341.09552.04082.0571
O21.21342.27562.02822.53923.1625
N31.35342.27562.03981.00291.0004
H41.09552.02822.03982.94542.2927
H52.04082.53921.00292.94541.7316
H62.05713.16251.00042.29271.7316

picture of formamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.275 C1 N3 H6 121.110
O2 C1 N3 124.800 O2 C1 H4 122.822
N3 C1 H4 112.378 H5 N3 H6 119.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability