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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-243.946070
Energy at 298.15K-243.951248
Nuclear repulsion energy156.113877
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 BLYP/STO-3G
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 3622 3351 1.30      
2 A 3436 3179 0.15      
3 A 3409 3154 1.98      
4 A 3328 3079 1.31      
5 A 3283 3037 12.57      
6 A 1760 1628 31.28      
7 A 1718 1590 7.82      
8 A 1687 1561 17.77      
9 A 1491 1379 15.05      
10 A 1360 1258 2.26      
11 A 1246 1153 74.55      
12 A 1102 1020 22.46      
13 A 1056 977 9.58      
14 A 1051 972 14.62      
15 A 957 885 13.75      
16 A 789 730 20.16      
17 A 728 674 18.37      
18 A 638 590 162.41      
19 A 534 494 55.19      
20 A 460 425 26.66      
21 A 421 390 13.03      
22 A 366 339 33.17      
23 A 229 212 0.91      
24 A 105 98 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 17387.5 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 16086.9 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 BLYP/STO-3G
ABC
0.31924 0.13053 0.09307

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.840 -0.653 -0.027
C2 -0.479 0.156 0.004
N3 -1.671 -0.723 -0.096
O4 -0.564 1.426 -0.003
C5 2.046 -0.039 0.021
H6 0.762 -1.756 -0.090
H7 -2.539 -0.217 0.251
H8 -1.559 -1.622 0.460
H9 2.111 1.064 0.080
H10 2.998 -0.599 0.001

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.54722.51312.50851.35361.10843.41792.63252.13872.1591
C21.54721.48521.27262.53202.28162.10782.12982.74563.5580
N32.51311.48522.41943.78112.64311.06291.06264.18734.6721
O42.50851.27262.41942.99313.44862.58073.23912.70144.0977
C51.35362.53203.78112.99312.14714.59343.96091.10651.1050
H61.10842.28162.64313.44862.14713.65782.38873.13122.5200
H73.41792.10781.06292.58074.59343.65781.72584.82615.5556
H82.63252.12981.06263.23913.96092.38871.72584.56374.6929
H92.13872.74564.18732.70141.10653.13124.82614.56371.8861
H102.15913.55804.67214.09771.10502.52005.55564.69291.8861

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 111.924 C1 C2 O4 125.364
C1 C5 H9 120.436 C1 C5 H10 122.525
C2 C1 C5 121.434 C2 C1 H6 117.486
C2 N3 H7 110.538 C2 N3 H8 112.363
N3 C2 O4 122.448 C5 C1 H6 121.080
H7 N3 H8 108.579 H9 C5 H10 117.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.091      
2 C 0.173      
3 N -0.346      
4 O -0.194      
5 C -0.142      
6 H 0.075      
7 H 0.180      
8 H 0.176      
9 H 0.088      
10 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.215 -1.840 1.262 2.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.882 1.154 -2.458
y 1.154 -27.543 -1.297
z -2.458 -1.297 -28.041
Traceless
 xyz
x 4.910 1.154 -2.458
y 1.154 -2.082 -1.297
z -2.458 -1.297 -2.828
Polar
3z2-r2-5.656
x2-y24.661
xy1.154
xz-2.458
yz-1.297


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.235 0.548 -0.037
y 0.548 4.346 -0.045
z -0.037 -0.045 0.957


<r2> (average value of r2) Å2
<r2> 122.305
(<r2>)1/2 11.059