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All results from a given calculation for CHONH2 (formamide)

using model chemistry: BLYP/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-169.928931
Energy at 298.15K-169.932602
HF Energy-169.928931
Nuclear repulsion energy70.647371
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-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' 3598 3586 28.86      
2 A' 3464 3452 19.43      
3 A' 2847 2837 104.84      
4 A' 1707 1701 388.59      
5 A' 1571 1566 44.88      
6 A' 1372 1367 6.84      
7 A' 1217 1213 99.85      
8 A' 1014 1010 5.52      
9 A' 549 547 9.17      
10 A" 993 989 4.36      
11 A" 628 626 10.88      
12 A" 233 232 187.57      

Unscaled Zero Point Vibrational Energy (zpe) 9595.9 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 9563.3 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-pVTZ
ABC
2.42014 0.37239 0.32273

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.423 0.000
O2 1.209 0.234 0.000
N3 -0.947 -0.566 0.000
H4 -0.453 1.438 0.000
H5 -0.657 -1.538 0.000
H6 -1.935 -0.347 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.22351.36901.11142.06822.0822
O21.22352.29942.05192.57383.1969
N31.36902.29942.06361.01441.0121
H41.11142.05192.06362.98292.3193
H52.06822.57381.01442.98291.7470
H62.08223.19691.01212.31931.7470

picture of formamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.662 C1 N3 H6 121.238
O2 C1 N3 124.894 O2 C1 H4 122.921
N3 C1 H4 112.184 H5 N3 H6 119.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 O -0.510      
3 N -0.093      
4 H 0.406      
5 H 0.092      
6 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.801 -0.703 0.000 3.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.028 0.025 0.000
y 0.025 -15.402 0.000
z 0.000 0.000 -19.278
Traceless
 xyz
x -1.688 0.025 0.000
y 0.025 3.751 0.000
z 0.000 0.000 -2.063
Polar
3z2-r2-4.126
x2-y2-3.626
xy0.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.741 0.358 0.000
y 0.358 4.654 0.000
z 0.000 0.000 3.169


<r2> (average value of r2) Å2
<r2> 41.836
(<r2>)1/2 6.468