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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-247.259434
Energy at 298.15K-247.265017
Nuclear repulsion energy163.560865
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 B1B95/6-311G**
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 3767 3616 41.20      
2 A 3628 3483 49.37      
3 A 3259 3129 2.63      
4 A 3170 3043 13.49      
5 A 3155 3029 7.58      
6 A 1807 1735 266.37      
7 A 1710 1642 30.93      
8 A 1620 1555 141.75      
9 A 1434 1377 103.17      
10 A 1365 1310 47.09      
11 A 1287 1236 67.27      
12 A 1115 1070 1.46      
13 A 1034 993 3.16      
14 A 1017 976 42.04      
15 A 997 957 7.98      
16 A 823 791 24.61      
17 A 822 789 5.81      
18 A 624 599 3.19      
19 A 617 593 9.91      
20 A 472 453 10.96      
21 A 464 445 5.12      
22 A 284 273 7.45      
23 A 167 160 170.47      
24 A 115 111 39.87      

Unscaled Zero Point Vibrational Energy (zpe) 17375.5 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 16682.2 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 B1B95/6-311G**
ABC
0.36044 0.14259 0.10217

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.794 -0.657 -0.000
C2 0.474 0.130 -0.000
N3 1.605 -0.627 0.000
O4 0.498 1.344 -0.000
C5 -1.961 -0.028 0.000
H6 -0.737 -1.741 -0.001
H7 2.493 -0.156 0.000
H8 1.583 -1.629 0.000
H9 -1.975 1.056 0.001
H10 -2.903 -0.561 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49172.39902.38161.32571.08573.32472.56792.08072.1110
C21.49171.36071.21432.43962.22812.03942.07932.61813.4462
N32.39901.36072.25963.61572.59341.00491.00293.95574.5081
O42.38161.21432.25962.81583.32282.49553.16442.49013.8980
C51.32572.43963.61572.81582.10564.45563.88871.08391.0822
H61.08572.22812.59343.32282.10563.59762.32233.05892.4666
H73.32472.03941.00492.49554.45563.59761.73154.62955.4108
H82.56792.07931.00293.16443.88872.32231.73154.45744.6110
H92.08072.61813.95572.49011.08393.05894.62954.45741.8640
H102.11103.44624.50813.89801.08222.46665.41084.61101.8640

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.428 C1 C2 O4 122.986
C1 C5 H9 119.078 C1 C5 H10 122.166
C2 C1 C5 119.856 C2 C1 H6 118.801
C2 N3 H7 118.335 C2 N3 H8 122.492
N3 C2 O4 122.587 C5 C1 H6 121.343
H7 N3 H8 119.172 H9 C5 H10 118.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C 0.394      
3 N -0.478      
4 O -0.369      
5 C -0.162      
6 H 0.108      
7 H 0.241      
8 H 0.233      
9 H 0.148      
10 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.527 -3.530 0.001 3.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.703 -2.934 0.001
y -2.934 -29.936 0.001
z 0.001 0.001 -31.678
Traceless
 xyz
x 9.104 -2.934 0.001
y -2.934 -3.245 0.001
z 0.001 0.001 -5.858
Polar
3z2-r2-11.717
x2-y28.233
xy-2.934
xz0.001
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.884 -0.834 -0.000
y -0.834 6.602 0.000
z -0.000 0.000 3.179


<r2> (average value of r2) Å2
<r2> 114.175
(<r2>)1/2 10.685