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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-45.757176
Energy at 298.15K-45.763110
Nuclear repulsion energy86.218403
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 B3LYP/CEP-31G
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 3752 3633 26.58      
2 A 3597 3483 40.94      
3 A 3267 3163 13.74      
4 A 3175 3075 21.68      
5 A 3153 3053 10.49      
6 A 1695 1641 75.70      
7 A 1660 1608 173.47      
8 A 1618 1567 123.54      
9 A 1444 1399 102.22      
10 A 1359 1316 58.96      
11 A 1294 1253 111.03      
12 A 1099 1064 4.41      
13 A 1047 1014 7.18      
14 A 1037 1004 95.27      
15 A 1033 1001 11.91      
16 A 818 792 3.43      
17 A 818 792 46.61      
18 A 625 606 97.36      
19 A 601 582 6.80      
20 A 519 502 230.75      
21 A 464 449 11.24      
22 A 455 441 5.51      
23 A 269 260 8.18      
24 A 129 125 5.66      

Unscaled Zero Point Vibrational Energy (zpe) 17463.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 16911.4 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 B3LYP/CEP-31G
ABC
0.34016 0.13544 0.09687

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.813 -0.673 -0.000
C2 0.462 0.140 -0.000
N3 1.639 -0.610 0.000
O4 0.490 1.409 -0.000
C5 -2.029 -0.050 0.000
H6 -0.732 -1.765 -0.000
H7 2.525 -0.110 0.000
H8 1.642 -1.625 0.000
H9 -2.083 1.043 0.000
H10 -2.965 -0.618 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.51222.45352.45571.36631.09533.38502.63352.13392.1519
C21.51221.39561.26942.49862.24792.07762.12262.70033.5095
N32.45351.39562.32313.71122.63761.01641.01504.07244.6039
O42.45571.26942.32312.91083.40072.53953.24502.59844.0052
C51.36632.49863.71122.91082.15074.55443.99491.09351.0946
H61.09532.24792.63763.40072.15073.65272.37793.11562.5099
H73.38502.07761.01642.53954.55443.65271.75284.74955.5126
H82.63352.12261.01503.24503.99492.37791.75284.58134.7152
H92.13392.70034.07242.59841.09353.11564.74954.58131.8804
H102.15193.50954.60394.00521.09462.50995.51264.71521.8804

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 115.022 C1 C2 O4 123.740
C1 C5 H9 119.931 C1 C5 H10 121.568
C2 C1 C5 120.376 C2 C1 H6 118.224
C2 N3 H7 118.088 C2 N3 H8 122.631
N3 C2 O4 121.238 C5 C1 H6 121.400
H7 N3 H8 119.281 H9 C5 H10 118.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.064      
2 C -0.292      
3 N -0.389      
4 O -0.126      
5 C -0.596      
6 H 0.271      
7 H 0.317      
8 H 0.303      
9 H 0.259      
10 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.252 -4.177 0.001 4.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.895 -3.247 0.002
y -3.247 -31.133 -0.000
z 0.002 -0.000 -32.485
Traceless
 xyz
x 10.914 -3.247 0.002
y -3.247 -4.443 -0.000
z 0.002 -0.000 -6.471
Polar
3z2-r2-12.942
x2-y210.238
xy-3.247
xz0.002
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.980 -0.911 -0.000
y -0.911 6.503 -0.002
z -0.000 -0.002 2.933


<r2> (average value of r2) Å2
<r2> 98.079
(<r2>)1/2 9.903