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All results from a given calculation for C4H7NO (Methacrylamide)

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 C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-284.961125
Energy at 298.15K-284.969255
Nuclear repulsion energy228.604021
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 3718 3549 36.32      
2 A 3585 3423 35.38      
3 A 3263 3115 10.13      
4 A 3182 3038 4.46      
5 A 3180 3035 7.06      
6 A 3143 3000 8.45      
7 A 3077 2938 10.41      
8 A 1762 1682 149.71      
9 A 1727 1649 79.17      
10 A 1673 1597 82.48      
11 A 1557 1487 23.12      
12 A 1537 1467 14.33      
13 A 1498 1430 9.78      
14 A 1456 1390 23.86      
15 A 1394 1331 105.42      
16 A 1272 1214 53.37      
17 A 1118 1068 1.83      
18 A 1110 1059 4.40      
19 A 1061 1012 5.12      
20 A 981 936 44.82      
21 A 963 919 11.76      
22 A 853 814 46.87      
23 A 743 710 5.20      
24 A 699 667 55.09      
25 A 610 583 60.87      
26 A 580 554 3.87      
27 A 534 509 126.15      
28 A 510 487 64.59      
29 A 382 365 4.15      
30 A 329 314 7.72      
31 A 277 264 11.99      
32 A 144 138 0.37      
33 A 81 78 6.88      

Unscaled Zero Point Vibrational Energy (zpe) 24000.1 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 22910.5 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
0.17209 0.11446 0.07256

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)
N1 -1.656 0.756 0.255
H2 -2.638 0.519 0.208
H3 -1.383 1.649 0.637
C4 1.645 -0.925 0.238
H5 1.558 -1.288 1.269
H6 1.363 -1.753 -0.419
H7 2.679 -0.631 0.050
C8 1.077 1.468 -0.249
H9 0.366 2.250 -0.496
H10 2.125 1.747 -0.256
C11 -0.745 -0.215 -0.037
O12 -1.064 -1.380 -0.313
C13 0.695 0.215 0.000

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01151.00893.70393.94103.98254.55622.86822.62383.94141.36292.28842.4261
H21.01151.74244.51994.69014.64365.44283.86103.53774.94022.04542.52153.3539
H31.00891.74243.99384.20364.49734.69512.62032.16883.62052.08203.19082.6042
C43.70394.51993.99381.09651.09381.09182.50733.50042.75972.50792.80141.5021
H53.94104.69014.20361.09651.76161.78193.18284.12913.44372.85613.06332.1472
H63.98254.64364.49731.09381.76161.79223.23824.12573.58612.63692.45752.1195
H74.55625.44284.69511.09181.78191.79222.65793.73472.46143.45043.83482.1572
C82.86823.86102.62032.50733.18283.23822.65791.08481.08462.48883.56371.3335
H92.62383.53772.16883.50044.12914.12573.73471.08481.84442.74223.90622.1205
H103.94144.94023.62052.75973.44373.58612.46141.08461.84443.48304.46702.1112
C111.36292.04542.08202.50792.85612.63693.45042.48882.74223.48301.23961.5034
O122.28842.52153.19082.80143.06332.45753.83483.56373.90624.46701.23962.3954
C132.42613.35392.60421.50212.14722.11952.15721.33352.12052.11121.50342.3954

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 123.044 C1 H11 H13 115.567
C2 C1 C3 119.172 C2 C1 H11 118.201
C3 C1 H11 122.052 C4 H13 H8 124.199
C4 H13 H11 113.113 O5 C4 N6 107.080
O5 C4 H7 109.030 O5 C4 H13 110.466
N6 C4 H7 110.165 N6 C4 H13 108.446
H7 C4 H13 111.552 H8 H13 H11 122.527
H9 H8 H10 116.461 H9 H8 H13 122.194
H10 H8 H13 121.294 H12 H11 H13 121.389
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 N -0.812      
2 H 0.340      
3 H 0.338      
4 C -0.649      
5 H 0.236      
6 H 0.261      
7 H 0.215      
8 C -0.424      
9 H 0.205      
10 H 0.222      
11 C 0.672      
12 O -0.519      
13 C -0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.056 3.241 1.130 3.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.253 -4.815 -1.593
y -4.815 -36.055 -0.368
z -1.593 -0.368 -37.466
Traceless
 xyz
x 6.507 -4.815 -1.593
y -4.815 -2.195 -0.368
z -1.593 -0.368 -4.312
Polar
3z2-r2-8.625
x2-y25.801
xy-4.815
xz-1.593
yz-0.368


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> 162.852
(<r2>)1/2 12.761