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All results from a given calculation for CHONH2 (formamide)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Planar 1A'
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-169.882439
Energy at 298.15K-169.886157
Nuclear repulsion energy70.301889
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 BLYP/aug-cc-pVDZ
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' 3598 3591 28.25      
2 A' 3453 3447 18.81      
3 A' 2858 2853 104.29      
4 A' 1702 1699 389.74      
5 A' 1564 1561 40.73      
6 A' 1356 1354 6.95      
7 A' 1216 1214 93.52      
8 A' 1011 1009 3.95      
9 A' 544 543 9.61      
10 A" 984 982 5.43      
11 A" 629 628 11.97      
12 A" 273 272 189.10      

Unscaled Zero Point Vibrational Energy (zpe) 9593.7 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 9575.5 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 BLYP/aug-cc-pVDZ
ABC
2.38550 0.36946 0.31991

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.426 0.000
O2 1.215 0.230 0.000
N3 -0.952 -0.565 0.000
H4 -0.451 1.450 0.000
H5 -0.661 -1.542 0.000
H6 -1.945 -0.345 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.23091.37431.11922.07602.0919
O21.23092.30862.06542.58093.2119
N31.37432.30862.07651.01921.0171
H41.11922.06542.07652.99942.3346
H52.07602.58091.01922.99941.7556
H62.09193.21191.01712.33461.7556

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.567 C1 N3 H6 121.313
O2 C1 N3 124.695 O2 C1 H4 122.941
N3 C1 H4 112.364 H5 N3 H6 119.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.808      
2 O -0.423      
3 N 0.245      
4 H -0.374      
5 H -0.138      
6 H -0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.824 -0.685 0.000 3.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.116 0.039 0.000
y 0.039 -15.429 0.000
z 0.000 0.000 -19.353
Traceless
 xyz
x -1.725 0.039 0.000
y 0.039 3.806 0.000
z 0.000 0.000 -2.080
Polar
3z2-r2-4.161
x2-y2-3.687
xy0.039
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.771 0.353 0.000
y 0.353 4.621 0.000
z 0.000 0.000 3.109


<r2> (average value of r2) Å2
<r2> 42.150
(<r2>)1/2 6.492