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All results from a given calculation for CH2CHCONH2 (Acrylamide)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-245.865361
Energy at 298.15K-245.871478
Nuclear repulsion energy162.773068
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 mPW1PW91/3-21G
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 3716 3547 36.17      
2 A 3584 3422 46.07      
3 A 3287 3138 1.95      
4 A 3211 3065 10.52      
5 A 3187 3043 3.07      
6 A 1777 1696 149.81      
7 A 1712 1634 45.80      
8 A 1681 1605 94.46      
9 A 1478 1410 77.17      
10 A 1392 1329 57.94      
11 A 1332 1271 107.66      
12 A 1140 1089 4.47      
13 A 1078 1029 4.69      
14 A 1047 999 64.25      
15 A 1041 994 8.01      
16 A 868 829 79.64      
17 A 816 779 7.52      
18 A 661 631 75.70      
19 A 633 604 5.63      
20 A 527 503 207.60      
21 A 485 463 5.97      
22 A 473 452 37.95      
23 A 288 275 10.03      
24 A 147 140 6.67      

Unscaled Zero Point Vibrational Energy (zpe) 17779.3 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 16972.1 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 mPW1PW91/3-21G
ABC
0.35171 0.14309 0.10171

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.789 -0.673 -0.000
C2 0.472 0.126 -0.000
N3 1.611 -0.625 -0.000
O4 0.479 1.364 -0.000
C5 -1.955 -0.036 0.000
H6 -0.722 -1.756 -0.001
H7 2.502 -0.147 0.000
H8 1.598 -1.634 0.001
H9 -1.955 1.050 0.000
H10 -2.905 -0.554 -0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 C5 H6 H7 H8 H9 H10
C11.49252.40082.40011.32851.08503.33332.57282.08042.1195
C21.49251.36441.23872.43162.22832.04902.08902.59653.4446
N32.40081.36442.28843.61412.59301.01131.00933.93964.5170
O42.40011.23872.28842.80803.34372.52503.19992.45453.8907
C51.32852.43163.61412.80802.11654.45843.89531.08571.0829
H61.08502.22832.59303.34372.11653.60372.32283.06502.4923
H73.33332.04901.01132.52504.45843.60371.74074.61505.4230
H82.57282.08901.00933.19993.89532.32281.74074.45234.6305
H92.08042.59653.93962.45451.08573.06504.61504.45231.8647
H102.11953.44464.51703.89071.08292.49235.42304.63051.8647

picture of Acrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 114.281 C1 C2 O4 122.723
C1 C5 H9 118.685 C1 C5 H10 122.711
C2 C1 C5 118.965 C2 C1 H6 118.810
C2 N3 H7 118.437 C2 N3 H8 122.593
N3 C2 O4 122.996 C5 C1 H6 122.226
H7 N3 H8 118.971 H9 C5 H10 118.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.307      
2 C 0.666      
3 N -0.814      
4 O -0.528      
5 C -0.378      
6 H 0.212      
7 H 0.341      
8 H 0.332      
9 H 0.254      
10 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.671 -3.493 0.002 3.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.115 -2.953 0.004
y -2.953 -29.539 -0.002
z 0.004 -0.002 -31.697
Traceless
 xyz
x 9.504 -2.953 0.004
y -2.953 -3.134 -0.002
z 0.004 -0.002 -6.370
Polar
3z2-r2-12.740
x2-y28.425
xy-2.953
xz0.004
yz-0.002


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


<r2> (average value of r2) Å2
<r2> 114.375
(<r2>)1/2 10.695