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All results from a given calculation for C4H7NO (Methacrylamide)

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-286.281015
Energy at 298.15K-286.288740
Nuclear repulsion energy227.635706
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(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 3644 3606 25.33      
2 A 3510 3474 22.01      
3 A 3166 3133 9.80      
4 A 3082 3051 9.54      
5 A 3081 3049 5.86      
6 A 3044 3013 8.22      
7 A 2978 2947 13.53      
8 A 1724 1706 210.16      
9 A 1651 1634 23.48      
10 A 1552 1536 92.32      
11 A 1440 1425 18.88      
12 A 1415 1401 9.09      
13 A 1397 1382 12.21      
14 A 1353 1339 14.27      
15 A 1334 1321 58.71      
16 A 1199 1187 38.79      
17 A 1059 1048 2.64      
18 A 1030 1020 0.86      
19 A 981 971 4.53      
20 A 933 923 4.18      
21 A 906 897 29.88      
22 A 799 791 9.88      
23 A 729 721 5.26      
24 A 656 649 8.28      
25 A 561 556 18.04      
26 A 547 541 2.63      
27 A 488 483 4.17      
28 A 374 370 117.21      
29 A 355 352 47.60      
30 A 314 311 3.90      
31 A 258 255 11.91      
32 A 155 153 0.31      
33 A 73 72 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 22893.0 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 22657.2 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 PBEPBE/6-31G(2df,p)
ABC
0.17229 0.11208 0.07201

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.673 0.761 0.242
H2 -2.636 0.449 0.329
H3 -1.398 1.577 0.776
C4 1.668 -0.915 0.253
H5 1.545 -1.322 1.272
H6 1.455 -1.748 -0.435
H7 2.710 -0.585 0.129
C8 1.073 1.471 -0.264
H9 0.349 2.251 -0.512
H10 2.128 1.761 -0.278
C11 -0.748 -0.221 -0.039
O12 -1.075 -1.369 -0.333
C13 0.699 0.206 -0.002

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.01541.01363.73813.96974.06704.58632.88152.62273.96471.37802.28522.4488
H21.01541.73324.51524.63724.70595.44803.89253.58664.97802.03662.48533.3601
H31.01361.73323.98534.16084.54564.68672.68322.27323.68472.07793.16382.6237
C43.73814.51523.98531.10391.10161.09962.51243.51372.76602.53042.84141.5032
H53.96974.63724.16081.10391.76171.79033.22204.16893.49922.86133.07282.1617
H64.06704.70594.54561.10161.76171.80133.24594.14953.57592.70972.56052.1393
H74.58635.44804.68671.09961.79031.80132.65673.74492.45063.48053.89242.1642
C82.88153.89252.68322.51243.22203.24592.65671.09291.09382.49553.56101.3448
H92.62273.58662.27323.51374.16894.14953.74491.09291.85992.74503.89342.1365
H103.96474.97803.68472.76603.49923.57592.45061.09381.85993.50024.47792.1293
C111.37802.03662.07792.53042.86132.70973.48052.49552.74503.50021.22931.5090
O122.28522.48533.16382.84143.07282.56053.89243.56103.89344.47791.22932.3950
C132.44883.36012.62371.50322.16172.13932.16421.34482.13652.12931.50902.3950

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.340 C1 H11 H13 115.970
C2 C1 C3 117.347 C2 C1 H11 115.801
C3 C1 H11 119.884 C4 H13 H8 123.718
C4 H13 H11 114.292 O5 C4 N6 106.024
O5 C4 H7 108.682 O5 C4 H13 111.098
N6 C4 H7 109.846 N6 C4 H13 109.465
H7 C4 H13 111.571 H8 H13 H11 121.858
H9 H8 H10 116.541 H9 H8 H13 122.093
H10 H8 H13 121.319 H12 H11 H13 121.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.528      
2 H 0.260      
3 H 0.257      
4 C -0.502      
5 H 0.144      
6 H 0.166      
7 H 0.126      
8 C -0.418      
9 H 0.120      
10 H 0.124      
11 C 0.330      
12 O -0.332      
13 C 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.168 2.696 1.435 3.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.955 -4.060 -2.336
y -4.060 -36.714 0.068
z -2.336 0.068 -36.406
Traceless
 xyz
x 5.605 -4.060 -2.336
y -4.060 -3.033 0.068
z -2.336 0.068 -2.572
Polar
3z2-r2-5.143
x2-y25.759
xy-4.060
xz-2.336
yz0.068


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.277 0.290 -0.197
y 0.290 9.944 -0.183
z -0.197 -0.183 5.033


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000