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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-286.269578
Energy at 298.15K-286.277302
Nuclear repulsion energy227.189904
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 PBEPBE/6-31G**
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 3648 3598 26.15      
2 A 3511 3462 21.51      
3 A 3176 3132 11.52      
4 A 3091 3049 11.02      
5 A 3089 3047 5.79      
6 A 3054 3012 9.50      
7 A 2987 2946 14.14      
8 A 1729 1706 211.84      
9 A 1660 1637 27.20      
10 A 1561 1539 103.08      
11 A 1455 1435 17.65      
12 A 1431 1411 9.61      
13 A 1405 1386 13.31      
14 A 1368 1350 10.61      
15 A 1343 1324 64.52      
16 A 1205 1188 41.95      
17 A 1060 1046 2.02      
18 A 1034 1020 1.18      
19 A 987 974 4.84      
20 A 935 922 4.10      
21 A 900 888 35.14      
22 A 793 782 12.49      
23 A 731 721 5.20      
24 A 655 646 11.19      
25 A 563 556 20.06      
26 A 549 542 3.30      
27 A 491 484 4.59      
28 A 376 371 122.62      
29 A 356 351 67.20      
30 A 311 306 4.28      
31 A 258 254 12.68      
32 A 157 155 0.36      
33 A 75 74 3.74      

Unscaled Zero Point Vibrational Energy (zpe) 22971.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 22656.9 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 PBEPBE/6-31G**
ABC
0.17165 0.11157 0.07176

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.675 0.763 0.246
H2 -2.640 0.453 0.320
H3 -1.402 1.581 0.782
C4 1.670 -0.917 0.256
H5 1.539 -1.330 1.271
H6 1.465 -1.746 -0.440
H7 2.713 -0.587 0.142
C8 1.077 1.472 -0.267
H9 0.353 2.251 -0.521
H10 2.133 1.760 -0.280
C11 -0.749 -0.218 -0.038
O12 -1.080 -1.370 -0.337
C13 0.702 0.204 -0.002

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01681.01533.74313.96984.07734.59142.88782.62953.97131.37892.29032.4537
H21.01681.73814.52314.64194.71845.45563.89913.59164.98532.03862.48763.3663
H31.01531.73813.99434.16674.55884.69432.69402.28613.69542.08253.17282.6333
C43.74314.52313.99431.10401.10171.09982.51653.51812.76942.53462.84951.5041
H53.96984.64194.16671.10401.76291.79073.22954.17663.50852.86053.07352.1626
H64.07734.71844.55881.10171.76291.80043.24624.14993.57302.71952.57452.1399
H74.59145.45564.69431.09981.79071.80042.66053.74962.45353.48543.90242.1657
C82.88783.89912.69402.51653.22953.24622.66051.09391.09452.49863.56911.3485
H92.62953.59162.28613.51814.17664.14993.74961.09391.86242.74673.89912.1402
H103.97134.98533.69542.76943.50853.57302.45351.09451.86243.50384.48642.1324
C111.37892.03862.08252.53462.86052.71953.48542.49862.74673.50381.23561.5108
O122.29032.48763.17282.84953.07352.57453.90243.56913.89914.48641.23562.4012
C132.45373.36632.63331.50412.16262.13992.16571.34852.14022.13241.51082.4012

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.223 C1 H11 H13 116.153
C2 C1 C3 117.594 C2 C1 H11 115.805
C3 C1 H11 120.102 C4 H13 H8 123.725
C4 H13 H11 114.429 O5 C4 N6 106.116
O5 C4 H7 108.690 O5 C4 H13 111.102
N6 C4 H7 109.725 N6 C4 H13 109.439
H7 C4 H13 111.614 H8 H13 H11 121.717
H9 H8 H10 116.651 H9 H8 H13 122.051
H10 H8 H13 121.244 H12 H11 H13 121.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.593      
2 H 0.276      
3 H 0.267      
4 C -0.410      
5 H 0.140      
6 H 0.164      
7 H 0.119      
8 C -0.302      
9 H 0.112      
10 H 0.115      
11 C 0.486      
12 O -0.467      
13 C 0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.181 2.768 1.512 3.160
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.834 -4.217 -2.418
y -4.217 -36.649 0.086
z -2.418 0.086 -36.606
Traceless
 xyz
x 5.794 -4.217 -2.418
y -4.217 -2.929 0.086
z -2.418 0.086 -2.865
Polar
3z2-r2-5.730
x2-y25.815
xy-4.217
xz-2.418
yz0.086


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.910 0.348 -0.197
y 0.348 9.775 -0.160
z -0.197 -0.160 4.517


<r2> (average value of r2) Å2
<r2> 164.903
(<r2>)1/2 12.841