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All results from a given calculation for CH3CONH2 (Acetamide)

using model chemistry: SVWN/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 SVWN/6-311G**
 hartrees
Energy at 0K-208.185887
Energy at 298.15K-208.191675
Nuclear repulsion energy122.070783
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 SVWN/6-311G**
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 3647 3609 40.16      
2 A 3507 3471 31.65      
3 A 3077 3045 11.24      
4 A 3076 3044 0.61      
5 A 2986 2955 5.20      
6 A 1792 1773 307.24      
7 A 1548 1532 154.48      
8 A 1428 1413 23.25      
9 A 1391 1376 12.45      
10 A 1346 1332 125.74      
11 A 1305 1291 5.97      
12 A 1084 1072 0.64      
13 A 1005 994 8.46      
14 A 942 933 2.33      
15 A 848 839 2.31      
16 A 677 670 14.71      
17 A 528 522 13.47      
18 A 513 507 12.68      
19 A 418 414 4.89      
20 A 299 296 189.73      
21 A 39 39 6.42      

Unscaled Zero Point Vibrational Energy (zpe) 15726.6 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 15563.0 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 SVWN/6-311G**
ABC
0.36330 0.31441 0.17402

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.346 -0.338 -0.000
C2 0.075 0.144 -0.000
N3 1.018 -0.830 0.000
O4 0.360 1.326 -0.000
H5 -1.853 0.077 -0.883
H6 -1.460 -1.432 -0.000
H7 -1.853 0.076 0.884
H8 1.993 -0.541 0.000
H9 0.788 -1.817 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50092.41472.38341.09961.09981.09963.34552.5967
C21.50091.35531.21582.12182.20032.12182.03672.0868
N32.41471.35532.25393.13742.55033.13721.01701.0139
O42.38341.21582.25392.69023.30462.69042.48063.1723
H51.09962.12183.13742.69021.79181.76703.99423.3678
H61.09982.20032.55033.30461.79181.79183.56652.2810
H71.09962.12183.13722.69041.76701.79183.99413.3675
H83.34552.03671.01702.48063.99423.56653.99411.7553
H92.59672.08681.01393.17233.36782.28103.36751.7553

picture of Acetamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.335 C1 C2 O4 122.283
C2 C1 H5 108.366 C2 C1 H6 114.691
C2 C1 H7 108.366 C2 N3 H8 117.587
C2 N3 H9 122.821 N3 C2 O4 122.382
H5 C1 H6 109.109 H5 C1 H7 106.921
H6 C1 H7 109.108 H8 N3 H9 119.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.456      
2 C 0.252      
3 N -0.470      
4 O -0.321      
5 H 0.184      
6 H 0.135      
7 H 0.184      
8 H 0.250      
9 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.007 -3.754 0.000 3.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.391 -2.410 -0.000
y -2.410 -25.701 0.000
z -0.000 0.000 -24.992
Traceless
 xyz
x 4.955 -2.410 -0.000
y -2.410 -3.009 0.000
z -0.000 0.000 -1.946
Polar
3z2-r2-3.891
x2-y25.310
xy-2.410
xz-0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.783 -0.228 0.000
y -0.228 5.752 0.000
z 0.000 0.000 3.421


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000