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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-286.635950
Energy at 298.15K-286.643862
Nuclear repulsion energy228.669585
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/6-31G(2df,p)
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 3726 3595 29.67      
2 A 3594 3469 31.19      
3 A 3230 3117 10.00      
4 A 3149 3039 5.58      
5 A 3133 3023 11.57      
6 A 3099 2991 11.43      
7 A 3039 2933 14.89      
8 A 1779 1717 245.71      
9 A 1702 1643 26.75      
10 A 1611 1554 96.59      
11 A 1492 1440 17.26      
12 A 1470 1419 7.59      
13 A 1449 1398 10.59      
14 A 1408 1358 3.35      
15 A 1377 1329 82.95      
16 A 1233 1190 46.86      
17 A 1097 1058 3.88      
18 A 1073 1035 0.43      
19 A 1020 985 5.01      
20 A 961 927 22.74      
21 A 952 919 10.82      
22 A 830 801 13.23      
23 A 745 719 5.33      
24 A 681 657 10.02      
25 A 578 558 18.13      
26 A 562 542 6.80      
27 A 506 488 4.29      
28 A 385 372 90.79      
29 A 366 354 83.42      
30 A 330 319 3.62      
31 A 267 257 12.36      
32 A 167 161 0.23      
33 A 72 70 3.94      

Unscaled Zero Point Vibrational Energy (zpe) 23540.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22716.2 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 B3LYP/6-31G(2df,p)
ABC
0.17448 0.11262 0.07246

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.678 0.744 0.238
H2 -2.632 0.428 0.319
H3 -1.417 1.563 0.760
C4 1.673 -0.904 0.249
H5 1.526 -1.338 1.244
H6 1.506 -1.713 -0.467
H7 2.705 -0.552 0.170
C8 1.060 1.469 -0.257
H9 0.340 2.243 -0.499
H10 2.105 1.763 -0.268
C11 -0.746 -0.223 -0.040
O12 -1.061 -1.365 -0.326
C13 0.696 0.210 -0.005

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.00801.00553.73483.95214.08384.57112.87552.61903.95031.37202.26862.4456
H21.00801.72024.50704.61174.72515.42793.87893.57644.95612.02722.46913.3507
H31.00551.72023.98714.16144.55924.67042.67962.26523.67422.06913.14282.6230
C43.73484.50703.98711.09611.09361.09232.50243.49822.75072.52982.83191.5033
H53.95214.61174.16141.09611.75191.77793.21784.15593.49902.83853.02662.1557
H64.08384.72514.55921.09361.75191.78573.22024.12463.53342.73412.59472.1377
H74.57115.42794.67041.09231.77791.78572.64073.72202.43203.47263.88392.1555
C82.87553.87892.67962.50243.21783.22022.64071.08441.08552.48443.54021.3347
H92.61903.57642.26523.49824.15594.12463.72201.08441.84362.73303.87362.1220
H103.95034.95613.67422.75073.49903.53342.43201.08551.84363.48214.45082.1135
C111.37202.02722.06912.52982.83852.73413.47262.48442.73303.48211.21811.5061
O122.26862.46913.14282.83193.02662.59473.88393.54023.87364.45081.21812.3812
C132.44563.35072.62301.50332.15572.13772.15551.33472.12202.11351.50612.3812

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.182 C1 H11 H13 116.288
C2 C1 C3 117.373 C2 C1 H11 115.964
C3 C1 H11 120.202 C4 H13 H8 123.603
C4 H13 H11 114.415 O5 C4 N6 106.276
O5 C4 H7 108.670 O5 C4 H13 111.091
N6 C4 H7 109.555 N6 C4 H13 109.800
H7 C4 H13 111.311 H8 H13 H11 121.871
H9 H8 H10 116.346 H9 H8 H13 122.272
H10 H8 H13 121.344 H12 H11 H13 121.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.527      
2 H 0.259      
3 H 0.257      
4 C -0.464      
5 H 0.132      
6 H 0.156      
7 H 0.115      
8 C -0.399      
9 H 0.113      
10 H 0.117      
11 C 0.344      
12 O -0.356      
13 C 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.250 2.838 1.423 3.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.120 -4.037 -2.351
y -4.037 -36.952 0.029
z -2.351 0.029 -36.375
Traceless
 xyz
x 5.543 -4.037 -2.351
y -4.037 -3.204 0.029
z -2.351 0.029 -2.339
Polar
3z2-r2-4.678
x2-y25.832
xy-4.037
xz-2.351
yz0.029


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.796 0.339 -0.175
y 0.339 9.670 -0.186
z -0.175 -0.186 4.908


<r2> (average value of r2) Å2
<r2> 163.451
(<r2>)1/2 12.785