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All results from a given calculation for CH3CONH2 (Acetamide)

using model chemistry: SVWN/TZVP

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/TZVP
 hartrees
Energy at 0K-208.206930
Energy at 298.15K-208.212801
HF Energy-208.206930
Nuclear repulsion energy122.120901
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/TZVP
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 3640 3598 44.09      
2 A 3501 3461 35.35      
3 A 3080 3045 9.74      
4 A 3079 3043 0.22      
5 A 2990 2956 4.61      
6 A 1771 1750 341.61      
7 A 1549 1531 146.83      
8 A 1431 1414 23.92      
9 A 1396 1380 12.41      
10 A 1347 1331 135.80      
11 A 1313 1298 9.10      
12 A 1083 1070 0.77      
13 A 1008 996 6.64      
14 A 947 936 3.56      
15 A 851 841 1.95      
16 A 666 658 13.66      
17 A 534 527 12.15      
18 A 515 509 13.62      
19 A 424 419 4.98      
20 A 332 328 199.61      
21 A 59 58 4.33      

Unscaled Zero Point Vibrational Energy (zpe) 15755.6 cm-1
Scaled (by 0.9885) Zero Point Vibrational Energy (zpe) 15574.4 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/TZVP
ABC
0.36415 0.31439 0.17421

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.345 -0.339 0.000
C2 0.073 0.142 0.000
N3 1.020 -0.826 -0.000
O4 0.358 1.326 -0.000
H5 -1.853 0.073 -0.883
H6 -1.453 -1.433 -0.001
H7 -1.853 0.071 0.884
H8 1.995 -0.538 0.000
H9 0.793 -1.814 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49792.41502.38181.09881.09881.09883.34652.5975
C21.49791.35421.21752.12052.19322.12062.03882.0843
N32.41501.35422.25153.13772.54683.13731.01681.0138
O42.38181.21752.25152.69073.30002.69132.48093.1699
H51.09882.12053.13772.69071.79011.76653.99583.3679
H61.09882.19322.54683.30001.79011.79023.56282.2784
H71.09882.12063.13732.69131.76651.79023.99543.3672
H83.34652.03881.01682.48093.99583.56283.99541.7533
H92.59752.08431.01383.16993.36792.27843.36721.7533

picture of Acetamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.629 C1 C2 O4 122.260
C2 C1 H5 108.516 C2 C1 H6 114.383
C2 C1 H7 108.525 C2 N3 H8 117.910
C2 N3 H9 122.680 N3 C2 O4 122.111
H5 C1 H6 109.082 H5 C1 H7 106.990
H6 C1 H7 109.091 H8 N3 H9 119.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.568      
2 C 0.243      
3 N -0.445      
4 O -0.310      
5 H 0.200      
6 H 0.145      
7 H 0.200      
8 H 0.270      
9 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.100 -3.931 0.001 3.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.503 -2.467 0.001
y -2.467 -26.413 -0.000
z 0.001 -0.000 -25.389
Traceless
 xyz
x 5.397 -2.467 0.001
y -2.467 -3.467 -0.000
z 0.001 -0.000 -1.931
Polar
3z2-r2-3.861
x2-y25.910
xy-2.467
xz0.001
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.035 -0.256 0.000
y -0.256 6.257 0.000
z 0.000 0.000 3.922


<r2> (average value of r2) Å2
<r2> 74.699
(<r2>)1/2 8.643