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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-247.248772
Energy at 298.15K-247.254343
Nuclear repulsion energy163.527407
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 3768 3612 30.19      
2 A 3633 3483 39.77      
3 A 3261 3126 4.57      
4 A 3171 3040 14.40      
5 A 3157 3026 12.42      
6 A 1810 1735 271.60      
7 A 1716 1645 31.68      
8 A 1654 1586 134.86      
9 A 1444 1385 102.01      
10 A 1371 1315 49.89      
11 A 1296 1243 71.84      
12 A 1124 1077 1.76      
13 A 1042 999 3.73      
14 A 1016 974 42.31      
15 A 988 947 11.90      
16 A 825 791 27.27      
17 A 824 790 5.77      
18 A 630 604 4.30      
19 A 618 592 9.87      
20 A 471 452 13.57      
21 A 464 444 5.10      
22 A 279 267 7.51      
23 A 171 164 193.12      
24 A 113 109 50.58      

Unscaled Zero Point Vibrational Energy (zpe) 17422.6 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 16701.3 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 B1B95/6-311G*
ABC
0.36055 0.14245 0.10211

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 -0.656 0.000
C2 -0.474 0.129 0.000
N3 -1.605 -0.627 -0.000
O4 -0.500 1.344 0.000
C5 1.962 -0.028 -0.000
H6 0.739 -1.741 0.000
H7 -2.493 -0.157 0.001
H8 -1.589 -1.629 0.001
H9 1.983 1.056 -0.000
H10 2.904 -0.562 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49112.39902.38141.32581.08663.32482.57362.08442.1122
C21.49111.36071.21442.44032.22962.04002.08232.62573.4476
N32.39901.36072.25903.61642.59591.00461.00283.96304.5094
O42.38141.21442.25902.81773.32432.49553.16592.49953.9007
C51.32582.44033.61642.81772.10444.45683.89461.08421.0830
H61.08662.22962.59593.32432.10443.59982.33083.06112.4649
H73.32482.04001.00462.49554.45683.59981.72754.63805.4124
H82.57362.08231.00283.16593.89462.33081.72754.46854.6176
H92.08442.62573.96302.49951.08423.06114.63804.46851.8615
H102.11223.44764.50943.90071.08302.46495.41244.61761.8615

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.462 C1 C2 O4 123.012
C1 C5 H9 119.404 C1 C5 H10 122.205
C2 C1 C5 119.952 C2 C1 H6 118.913
C2 N3 H7 118.410 C2 N3 H8 122.822
N3 C2 O4 122.526 C5 C1 H6 121.135
H7 N3 H8 118.768 H9 C5 H10 118.391
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 -0.321      
2 C 0.504      
3 N -0.812      
4 O -0.371      
5 C -0.383      
6 H 0.198      
7 H 0.363      
8 H 0.359      
9 H 0.243      
10 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.552 -3.567 0.004 3.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.522 2.998 -0.009
y 2.998 -29.830 -0.006
z -0.009 -0.006 -31.913
Traceless
 xyz
x 9.350 2.998 -0.009
y 2.998 -3.113 -0.006
z -0.009 -0.006 -6.237
Polar
3z2-r2-12.473
x2-y28.308
xy2.998
xz-0.009
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.809 0.826 -0.000
y 0.826 6.537 -0.000
z -0.000 -0.000 3.073


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