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All results from a given calculation for CH3CONH2 (Acetamide)

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-209.173191
Energy at 298.15K-209.178802
HF Energy-209.173191
Nuclear repulsion energy121.135953
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 B97D3/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 3672 3619 26.56      
2 A 3533 3482 20.93      
3 A 3078 3034 7.05      
4 A 3077 3033 22.65      
5 A 2998 2955 11.29      
6 A 1724 1699 346.32      
7 A 1594 1571 81.61      
8 A 1466 1445 8.53      
9 A 1448 1428 7.74      
10 A 1371 1352 38.30      
11 A 1307 1288 148.47      
12 A 1097 1082 0.19      
13 A 1032 1017 3.27      
14 A 961 947 11.99      
15 A 816 804 3.01      
16 A 657 647 8.37      
17 A 535 528 10.75      
18 A 514 506 7.75      
19 A 429 423 4.46      
20 A 197 194 200.69      
21 A 14 14 5.12      

Unscaled Zero Point Vibrational Energy (zpe) 15759.2 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 15532.3 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 B97D3/TZVP
ABC
0.35834 0.30681 0.17054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.366 -0.343 -0.000
C2 0.077 0.148 0.000
N3 1.033 -0.835 -0.000
O4 0.363 1.337 0.000
H5 -1.870 0.062 -0.883
H6 -1.466 -1.433 0.001
H7 -1.871 0.064 0.882
H8 2.005 -0.560 -0.000
H9 0.805 -1.816 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.52362.44902.41031.09441.09481.09443.37772.6236
C21.52361.37121.22332.13922.20872.13922.05402.0943
N32.44901.37122.27293.16442.56993.16491.00971.0071
O42.41031.22332.27292.71833.31922.71782.50903.1837
H51.09442.13923.16442.71831.78331.76484.02263.3859
H61.09482.20872.56993.31921.78331.78333.57902.3034
H71.09442.13923.16492.71781.76481.78334.02313.3867
H83.37772.05401.00972.50904.02263.57904.02311.7366
H92.62362.09431.00713.18373.38592.30343.38671.7366

picture of Acetamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.458 C1 C2 O4 122.304
C2 C1 H5 108.481 C2 C1 H6 114.031
C2 C1 H7 108.482 C2 N3 H8 118.445
C2 N3 H9 122.684 N3 C2 O4 122.238
H5 C1 H6 109.091 H5 C1 H7 107.465
H6 C1 H7 109.092 H8 N3 H9 118.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.372      
2 C 0.218      
3 N -0.373      
4 O -0.327      
5 H 0.142      
6 H 0.094      
7 H 0.142      
8 H 0.241      
9 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.087 -3.840 0.000 3.841
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.533 -2.433 0.000
y -2.433 -26.264 -0.000
z 0.000 -0.000 -25.090
Traceless
 xyz
x 5.144 -2.433 0.000
y -2.433 -3.452 -0.000
z 0.000 -0.000 -1.692
Polar
3z2-r2-3.384
x2-y25.731
xy-2.433
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.988 -0.250 0.000
y -0.250 6.222 0.000
z 0.000 0.000 3.856


<r2> (average value of r2) Å2
<r2> 75.777
(<r2>)1/2 8.705