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All results from a given calculation for NH2CH2CH2COOH (β–alanine)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-323.741495
Energy at 298.15K-323.751419
HF Energy-323.741495
Nuclear repulsion energy247.945161
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 wB97X-D/6-311G**
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 3634 3476 7.84      
2 A 3548 3394 0.51      
3 A 3399 3251 689.15      
4 A 3145 3008 7.67      
5 A 3102 2967 24.18      
6 A 3052 2920 7.24      
7 A 3038 2906 58.19      
8 A 1888 1806 409.45      
9 A 1664 1591 38.41      
10 A 1525 1458 16.35      
11 A 1502 1437 268.54      
12 A 1467 1403 11.16      
13 A 1433 1370 6.06      
14 A 1377 1318 11.40      
15 A 1326 1268 5.21      
16 A 1311 1254 23.39      
17 A 1263 1208 68.14      
18 A 1164 1113 7.66      
19 A 1101 1054 6.50      
20 A 1032 987 8.82      
21 A 995 951 70.85      
22 A 964 922 41.60      
23 A 922 882 17.78      
24 A 878 839 47.39      
25 A 826 790 24.67      
26 A 708 677 11.30      
27 A 585 559 2.85      
28 A 498 476 9.06      
29 A 411 393 13.96      
30 A 333 319 8.35      
31 A 292 279 7.03      
32 A 212 203 4.01      
33 A 89 85 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 24340.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 23281.6 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 wB97X-D/6-311G**
ABC
0.24157 0.08381 0.06643

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.831 0.610 0.014
C2 1.353 -0.743 -0.312
C3 0.011 -0.992 0.372
C4 -1.057 0.034 0.021
O5 -0.647 1.306 0.023
O6 -2.197 -0.265 -0.203
H7 2.613 0.872 -0.573
H8 2.144 0.662 0.977
H9 2.057 -1.543 -0.055
H10 1.218 -0.767 -1.397
H11 -0.373 -1.981 0.120
H12 0.132 -0.962 1.462
H13 0.292 1.330 0.321

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.47092.45052.94452.57344.12701.01301.01392.16572.06433.40272.73031.7262
C21.47091.52722.55432.88273.58352.06502.06411.09631.09322.16792.16522.4129
C32.45051.52721.52222.41552.39453.33782.76592.16142.15341.09041.09642.3390
C42.94452.55431.52221.33621.19953.81153.39903.49142.79792.12992.11671.8942
O52.57342.88272.41551.33622.21843.34253.01863.92843.12903.29932.79630.9852
O64.12703.58352.39451.19952.21844.95654.59274.44393.65172.52432.94593.0020
H71.01302.06503.33783.81153.34254.95651.63292.53212.30514.18803.69672.5292
H81.01392.06412.76593.39903.01864.59271.63292.43592.92133.74892.63132.0749
H92.16571.09632.16143.49143.92844.44392.53212.43591.76282.47552.51883.3923
H102.06431.09322.15342.79793.12903.65172.30512.92131.76282.51103.06432.8642
H113.40272.16791.09042.12993.29932.52434.18803.74892.47552.51101.75853.3824
H122.73032.16521.09642.11672.79632.94593.69672.63132.51883.06431.75852.5651
H131.72622.41292.33901.89420.98523.00202.52922.07493.39232.86423.38242.5651

picture of β–alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 109.623 N1 C2 H9 114.247
N1 C2 H10 106.299 C2 N1 H7 111.133
C2 N1 H8 111.002 C2 C3 C4 113.785
C2 C3 H11 110.729 C2 C3 H12 110.155
C3 C2 H9 109.858 C3 C2 H10 109.408
C3 C4 O5 115.201 C3 C4 O6 122.796
C4 C3 H11 108.087 C4 C3 H12 106.734
C4 O5 H13 108.415 O5 C4 O6 121.968
H7 N1 H8 107.349 H9 C2 H10 107.243
H11 C3 H12 107.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.532      
2 C -0.155      
3 C -0.328      
4 C 0.359      
5 O -0.314      
6 O -0.339      
7 H 0.233      
8 H 0.225      
9 H 0.133      
10 H 0.151      
11 H 0.162      
12 H 0.148      
13 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.471 -1.250 0.575 6.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.913 1.580 -0.308
y 1.580 -37.218 0.073
z -0.308 0.073 -33.382
Traceless
 xyz
x -3.613 1.580 -0.308
y 1.580 -1.070 0.073
z -0.308 0.073 4.684
Polar
3z2-r29.367
x2-y2-1.695
xy1.580
xz-0.308
yz0.073


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.189 0.425 0.089
y 0.425 6.713 -0.019
z 0.089 -0.019 5.521


<r2> (average value of r2) Å2
<r2> 171.285
(<r2>)1/2 13.088