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All results from a given calculation for CH3CONH2 (Acetamide)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-209.201089
Energy at 298.15K 
Nuclear repulsion energy120.452162
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/6-311G*
Rotational Constants (cm-1) from geometry optimized at BLYP/6-311G*
ABC
0.35471 0.30271 0.16847

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.375 -0.344 -0.000
C2 0.078 0.150 -0.000
N3 1.039 -0.840 -0.001
O4 0.365 1.344 0.000
H5 -1.887 0.069 -0.880
H6 -1.485 -1.438 -0.007
H7 -1.883 0.056 0.888
H8 2.016 -0.560 0.002
H9 0.820 -1.829 0.002

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.53482.46452.42421.09851.09931.09863.39732.6494
C21.53481.37941.22782.15472.22832.15502.06332.1128
N32.46451.37942.28503.18782.59453.18311.01561.0131
O42.42421.22782.28502.73363.34092.73872.51943.2047
H51.09852.15473.18782.73361.78671.76764.05013.4212
H61.09932.22832.59453.34091.78671.78673.60922.3378
H71.09862.15503.18312.73871.76761.78674.04523.4120
H83.39732.06331.01562.51944.05013.60924.04521.7435
H92.64942.11281.01313.20473.42122.33783.41201.7435

picture of Acetamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.388 C1 C2 O4 122.295
C2 C1 H5 108.689 C2 C1 H6 114.540
C2 C1 H7 108.705 C2 N3 H8 118.179
C2 N3 H9 123.313 N3 C2 O4 122.317
H5 C1 H6 108.772 H5 C1 H7 107.126
H6 C1 H7 108.760 H8 N3 H9 118.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.671      
2 C 0.416      
3 N -0.717      
4 O -0.331      
5 H 0.227      
6 H 0.188      
7 H 0.227      
8 H 0.331      
9 H 0.331      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.063 -3.669 0.009 3.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.804 -2.419 0.010
y -2.419 -25.890 -0.012
z 0.010 -0.012 -25.153
Traceless
 xyz
x 4.718 -2.419 0.010
y -2.419 -2.912 -0.012
z 0.010 -0.012 -1.806
Polar
3z2-r2-3.612
x2-y25.086
xy-2.419
xz0.010
yz-0.012


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


<r2> (average value of r2) Å2
<r2> 76.531
(<r2>)1/2 8.748