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: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-282.766431
Energy at 298.15K-282.773463
Nuclear repulsion energy220.233257
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 BLYP/STO-3G
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 3615 3345 1.45      
2 A 3433 3177 0.45      
3 A 3406 3151 1.39      
4 A 3378 3126 0.61      
5 A 3340 3090 1.18      
6 A 3285 3040 8.95      
7 A 3197 2958 1.40      
8 A 1754 1623 15.35      
9 A 1736 1606 23.76      
10 A 1692 1565 13.09      
11 A 1630 1508 4.54      
12 A 1613 1492 4.98      
13 A 1517 1403 2.51      
14 A 1500 1388 0.59      
15 A 1332 1233 19.86      
16 A 1229 1138 49.08      
17 A 1118 1034 2.88      
18 A 1087 1006 32.30      
19 A 1048 969 5.61      
20 A 960 889 1.44      
21 A 934 864 21.02      
22 A 772 714 4.44      
23 A 720 666 41.86      
24 A 662 612 96.77      
25 A 595 551 47.53      
26 A 507 469 20.86      
27 A 476 440 25.06      
28 A 399 369 30.68      
29 A 340 315 1.06      
30 A 294 272 7.86      
31 A 221 205 1.43      
32 A 85 79 0.54      
33 A 69 64 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 23972.1 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 22179.0 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 BLYP/STO-3G
ABC
0.16172 0.10488 0.06696

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.741 0.839 0.171
H2 -2.685 0.428 0.438
H3 -1.437 1.500 0.945
C4 1.754 -0.912 0.242
H5 1.757 -1.209 1.313
H6 1.472 -1.808 -0.351
H7 2.777 -0.592 -0.038
C8 1.082 1.504 -0.258
H9 0.332 2.286 -0.470
H10 2.141 1.819 -0.280
C11 -0.760 -0.260 -0.029
O12 -1.122 -1.449 -0.304
C13 0.725 0.218 -0.009

Atom - Atom Distances (Å)
  N1 H2 H3 C4 H5 H6 H7 C8 H9 H10 C11 O12 C13
N11.06371.06293.90964.21064.19564.74332.93112.60804.02871.48642.41732.5491
H21.06371.72204.64104.81394.78605.57653.97843.65765.07322.09662.55293.4455
H31.06291.72204.06194.20414.59264.80632.79112.39783.79522.12313.21872.6889
C43.90964.64104.06191.11211.11071.10772.55713.57192.80702.61152.97591.5490
H54.21064.81394.20411.11211.79191.80223.20654.17433.44273.00613.31022.2022
H64.19564.78604.59261.11071.79191.81103.33634.25193.68862.73572.61922.1865
H74.74335.57654.80631.10771.80221.81102.70443.80092.50463.55274.00072.2061
C82.93113.97842.79112.55713.20653.33632.70441.10421.10522.56073.68481.3573
H92.60803.65762.39783.57194.17434.25193.80091.10421.87792.80584.01182.1550
H104.02875.07323.79522.80703.44273.68862.50461.10521.87793.57804.61782.1540
C111.48642.09662.12312.61153.00612.73573.55272.56072.80583.57801.27261.5605
O122.41732.55293.21872.97593.31022.61924.00073.68484.01184.61781.27262.5054
C132.54913.44552.68891.54902.20222.18652.20611.35732.15502.15401.56052.5054

picture of Methacrylamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 H11 H12 122.175 C1 H11 H13 113.543
C2 C1 C3 108.143 C2 C1 H11 109.491
C3 C1 H11 111.703 C4 H13 H8 123.114
C4 H13 H11 114.249 O5 C4 N6 107.445
O5 C4 H7 108.562 O5 C4 H13 110.626
N6 C4 H7 109.445 N6 C4 H13 109.489
H7 C4 H13 111.190 H8 H13 H11 122.559
H9 H8 H10 116.419 H9 H8 H13 121.875
H10 H8 H13 121.692 H12 H11 H13 124.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.347      
2 H 0.178      
3 H 0.178      
4 C -0.218      
5 H 0.080      
6 H 0.089      
7 H 0.079      
8 C -0.158      
9 H 0.080      
10 H 0.075      
11 C 0.170      
12 O -0.193      
13 C -0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.178 1.294 1.677 2.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.108 -1.742 -2.882
y -1.742 -34.666 0.786
z -2.882 0.786 -32.967
Traceless
 xyz
x 3.709 -1.742 -2.882
y -1.742 -3.128 0.786
z -2.882 0.786 -0.580
Polar
3z2-r2-1.161
x2-y24.558
xy-1.742
xz-2.882
yz0.786


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.687 0.431 -0.202
y 0.431 6.301 0.038
z -0.202 0.038 2.101


<r2> (average value of r2) Å2
<r2> 172.622
(<r2>)1/2 13.139