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: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-284.902878
Energy at 298.15K-284.911177
Nuclear repulsion energy229.716642
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3950 3597 46.02      
2 A 3813 3473 48.84      
3 A 3391 3088 10.08      
4 A 3305 3010 6.05      
5 A 3271 2978 15.96      
6 A 3247 2957 21.68      
7 A 3181 2896 23.25      
8 A 1921 1749 402.19      
9 A 1836 1672 91.15      
10 A 1759 1602 116.24      
11 A 1594 1451 20.26      
12 A 1572 1432 8.79      
13 A 1554 1415 12.09      
14 A 1532 1395 22.20      
15 A 1491 1357 82.81      
16 A 1326 1207 62.03      
17 A 1197 1090 8.96      
18 A 1157 1053 0.59      
19 A 1101 1003 9.59      
20 A 1075 979 40.10      
21 A 1018 927 2.89      
22 A 901 821 25.19      
23 A 803 731 5.20      
24 A 738 672 12.94      
25 A 622 566 19.48      
26 A 585 533 21.77      
27 A 546 498 5.13      
28 A 409 372 44.94      
29 A 383 349 150.98      
30 A 353 321 5.48      
31 A 283 257 13.62      
32 A 197 180 0.21      
33 A 70 63 4.57      

Unscaled Zero Point Vibrational Energy (zpe) 25089.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 22846.1 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 HF/aug-cc-pVDZ
ABC
0.17728 0.11204 0.07322

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.686 0.717 0.261
H2 -2.623 0.387 0.339
H3 -1.435 1.510 0.805
C4 1.683 -0.892 0.268
H5 2.699 -0.504 0.272
H6 1.480 -1.359 1.232
H7 1.596 -1.669 -0.489
C8 1.046 1.463 -0.274
H9 0.320 2.226 -0.519
H10 2.085 1.760 -0.288
C11 -0.747 -0.222 -0.045
O12 -1.048 -1.342 -0.353
C13 0.696 0.211 -0.008

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N10.99650.99383.73354.55233.90914.12652.88192.62863.95071.36242.24202.4496
H20.99651.70014.49235.39694.54814.76573.87213.57504.94392.00892.43953.3413
H30.99381.70013.97234.62964.11284.57912.70562.31213.69422.04793.10292.6244
C43.73354.49233.97231.08811.09061.08842.49953.49192.73892.54022.83631.5058
H54.55235.39694.62961.08811.77231.77602.62733.70582.41133.47263.89022.1458
H63.90914.54814.11281.09061.77231.75303.22904.15483.52212.80842.98422.1494
H74.12654.76574.57911.08841.77601.75303.18754.09813.46912.78982.66712.1394
C82.88193.87212.70562.49952.62733.22903.18751.08001.08082.47113.50131.3272
H92.62863.57502.31213.49193.70584.15484.09811.08001.83932.71183.82472.1117
H103.95074.94393.69422.73892.41133.52213.46911.08081.83933.46494.40892.0991
C111.36242.00892.04792.54023.47262.80842.78982.47112.71183.46491.20051.5069
O122.24202.43953.10292.83633.89022.98422.66713.50133.82474.40891.20052.3604
C132.44963.34132.62441.50582.14582.14942.13941.32722.11172.09911.50692.3604

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 121.905 C1 H11 H13 117.155
C2 C1 C3 117.338 C2 C1 H11 115.912
C3 C1 H11 119.902 C4 H13 H8 123.714
C4 H13 H11 114.952 O5 C4 N6 108.865
O5 C4 H7 109.366 O5 C4 H13 110.600
N6 C4 H7 107.118 N6 C4 H13 110.740
H7 C4 H13 110.073 H8 H13 H11 121.237
H9 H8 H10 116.689 H9 H8 H13 122.297
H10 H8 H13 120.984 H12 H11 H13 120.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.181      
2 H -0.016      
3 H -0.028      
4 C 0.238      
5 H -0.128      
6 H 0.076      
7 H 0.084      
8 C 1.069      
9 H -0.407      
10 H -0.386      
11 C 0.591      
12 O -0.809      
13 C -0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.627 3.223 1.594 3.650
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.036 -4.160 -2.759
y -4.160 -38.329 -0.435
z -2.759 -0.435 -37.875
Traceless
 xyz
x 6.065 -4.160 -2.759
y -4.160 -3.373 -0.435
z -2.759 -0.435 -2.692
Polar
3z2-r2-5.384
x2-y26.292
xy-4.160
xz-2.759
yz-0.435


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> 163.314
(<r2>)1/2 12.779