return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-284.898830
Energy at 298.15K-284.906980
HF Energy-284.898830
Nuclear repulsion energy228.393271
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 M06-2X/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 3709 3513 43.02      
2 A 3576 3387 49.38      
3 A 3242 3070 5.85      
4 A 3157 2991 2.03      
5 A 3155 2988 8.03      
6 A 3141 2975 3.75      
7 A 3071 2909 6.39      
8 A 1794 1699 177.16      
9 A 1746 1654 61.19      
10 A 1670 1582 105.66      
11 A 1557 1474 19.89      
12 A 1538 1457 13.82      
13 A 1502 1423 10.63      
14 A 1465 1388 16.83      
15 A 1400 1326 113.93      
16 A 1271 1204 56.07      
17 A 1123 1064 1.87      
18 A 1116 1057 3.02      
19 A 1061 1005 5.61      
20 A 1007 953 46.69      
21 A 967 916 4.11      
22 A 860 814 52.57      
23 A 748 709 4.75      
24 A 704 667 69.62      
25 A 616 583 84.86      
26 A 587 556 5.31      
27 A 523 496 69.72      
28 A 512 485 90.12      
29 A 387 366 6.39      
30 A 338 321 6.61      
31 A 282 267 12.29      
32 A 145 137 0.52      
33 A 80 76 7.59      

Unscaled Zero Point Vibrational Energy (zpe) 24024.2 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 22755.7 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 M06-2X/3-21G*
ABC
0.17160 0.11482 0.07216

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.670 0.746 0.233
H2 -2.652 0.496 0.186
H3 -1.412 1.651 0.604
C4 1.655 -0.918 0.221
H5 1.520 -1.342 1.222
H6 1.424 -1.710 -0.498
H7 2.691 -0.596 0.103
C8 1.063 1.484 -0.230
H9 0.344 2.263 -0.461
H10 2.109 1.774 -0.232
C11 -0.744 -0.222 -0.035
O12 -1.044 -1.395 -0.288
C13 0.696 0.224 0.001

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01411.01133.71833.93924.01784.56492.86892.61543.94391.36652.29102.4346
H21.01411.74534.53294.67514.68485.45393.86673.53804.94702.05072.52693.3644
H31.01131.74534.01894.23534.53364.70462.61722.14303.62082.08833.19512.6161
C43.71834.53294.01891.09561.09391.09162.51423.50712.76742.51032.78741.5072
H53.93924.67514.23531.09561.76151.78323.20944.14843.48852.82112.97612.1500
H64.01784.68484.53361.09391.76151.79113.22524.11713.56062.67002.49712.1261
H74.56495.45394.70461.09161.78321.79112.66163.74112.46303.45763.83962.1590
C82.86893.86672.61722.51423.20943.22522.66161.08511.08512.49213.56821.3319
H92.61543.53802.14303.50714.14844.11713.74111.08511.84532.74533.91632.1196
H103.94394.94703.62082.76743.48853.56062.46301.08511.84533.48674.47072.1097
C111.36652.05072.08832.51032.82112.67003.45762.49212.74533.48671.23761.5078
O122.29102.52693.19512.78742.97612.49713.83963.56823.91634.47071.23762.3949
C132.43463.36442.61611.50722.15002.12612.15901.33192.11962.10971.50782.3949

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 123.158 C1 H11 H13 115.695
C2 C1 C3 119.019 C2 C1 H11 118.198
C3 C1 H11 122.160 C4 H13 H8 124.527
C4 H13 H11 112.735 O5 C4 N6 107.120
O5 C4 H7 109.224 O5 C4 H13 110.381
N6 C4 H7 110.069 N6 C4 H13 108.605
H7 C4 H13 111.350 H8 H13 H11 122.590
H9 H8 H10 116.486 H9 H8 H13 122.224
H10 H8 H13 121.249 H12 H11 H13 121.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.800      
2 H 0.335      
3 H 0.330      
4 C -0.576      
5 H 0.220      
6 H 0.243      
7 H 0.197      
8 C -0.382      
9 H 0.190      
10 H 0.209      
11 C 0.662      
12 O -0.512      
13 C -0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.103 3.303 1.051 3.468
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.594 -4.695 -1.510
y -4.695 -36.519 -0.312
z -1.510 -0.312 -37.746
Traceless
 xyz
x 6.539 -4.695 -1.510
y -4.695 -2.349 -0.312
z -1.510 -0.312 -4.189
Polar
3z2-r2-8.379
x2-y25.925
xy-4.695
xz-1.510
yz-0.312


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.294 0.375 -0.100
y 0.375 8.758 -0.162
z -0.100 -0.162 3.408


<r2> (average value of r2) Å2
<r2> 163.417
(<r2>)1/2 12.783