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 NH2CH2CH2COOH (β–alanine)

using model chemistry: SVWN/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 SVWN/6-311G**
 hartrees
Energy at 0K-322.184469
Energy at 298.15K-322.194389
Nuclear repulsion energy249.906879
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 SVWN/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 3521 3484 17.52      
2 A 3429 3394 5.00      
3 A 3059 3028 1.88      
4 A 3010 2979 12.39      
5 A 2960 2929 3.48      
6 A 2947 2917 30.58      
7 A 2758 2730 1078.55      
8 A 1834 1815 436.14      
9 A 1575 1559 43.34      
10 A 1521 1505 208.60      
11 A 1438 1424 5.10      
12 A 1384 1369 8.75      
13 A 1359 1345 16.62      
14 A 1315 1301 40.33      
15 A 1267 1254 35.65      
16 A 1254 1241 13.32      
17 A 1220 1207 35.85      
18 A 1128 1116 51.62      
19 A 1108 1097 18.92      
20 A 1073 1062 10.28      
21 A 984 974 17.32      
22 A 950 940 0.91      
23 A 891 882 24.94      
24 A 860 851 29.38      
25 A 798 790 41.16      
26 A 686 679 10.78      
27 A 576 570 1.89      
28 A 486 481 9.50      
29 A 421 417 11.05      
30 A 345 342 6.52      
31 A 329 326 12.33      
32 A 209 206 3.96      
33 A 93 92 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 23393.6 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 23150.3 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 SVWN/6-311G**
ABC
0.24438 0.08660 0.06829

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.851 0.567 0.162
C2 1.345 -0.699 -0.360
C3 0.001 -1.002 0.264
C4 -1.067 0.049 0.020
O5 -0.617 1.293 -0.073
O6 -2.234 -0.236 -0.062
H7 2.634 0.932 -0.385
H8 2.155 0.474 1.136
H9 2.042 -1.543 -0.205
H10 1.221 -0.578 -1.449
H11 -0.401 -1.959 -0.099
H12 0.115 -1.112 1.360
H13 0.404 1.269 0.045

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.45952.42822.96692.58424.16931.02201.02432.14972.07483.39392.69611.6127
C21.45951.51282.55362.81103.62102.07842.06651.10571.10312.16892.15482.2180
C32.42821.51281.51842.40132.38503.33072.75342.16322.14611.09921.10712.3168
C42.96692.55361.51841.32581.20433.82553.43593.50022.79072.11902.13051.9105
O52.58422.81102.40131.32582.22513.28573.13383.89032.96243.25932.89421.0287
O64.16933.62102.38501.20432.22515.01594.60474.47363.73882.51572.88193.0386
H71.02202.07843.33073.82553.28575.01591.65862.55082.32574.20063.68332.2953
H81.02432.06652.75343.43593.13384.60471.65862.42502.94363.73892.59442.2106
H92.14971.10572.16323.50023.89034.47362.55082.42501.77582.48062.52013.2634
H102.07481.10312.14612.79072.96243.73882.32572.94361.77582.52193.06632.5122
H113.39392.16891.09922.11903.25932.51574.20063.73892.48062.52191.76403.3292
H122.69612.15481.10712.13052.89422.88193.68332.59442.52013.06631.76402.7349
H131.61272.21802.31681.91051.02873.03862.29532.21063.26342.51223.32922.7349

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 109.547 N1 C2 H9 113.141
N1 C2 H10 107.308 C2 N1 H7 112.578
C2 N1 H8 111.405 C2 C3 C4 114.797
C2 C3 H11 111.285 C2 C3 H12 109.698
C3 C2 H9 110.440 C3 C2 H10 109.248
C3 C4 O5 115.020 C3 C4 O6 121.892
C4 C3 H11 107.006 C4 C3 H12 107.449
C4 O5 H13 107.805 O5 C4 O6 123.080
H7 N1 H8 108.301 H9 C2 H10 107.020
H11 C3 H12 106.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.531      
2 C -0.260      
3 C -0.415      
4 C 0.292      
5 O -0.280      
6 O -0.299      
7 H 0.257      
8 H 0.249      
9 H 0.170      
10 H 0.193      
11 H 0.192      
12 H 0.183      
13 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.790 -1.215 0.593 6.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.531 2.197 -0.024
y 2.197 -37.488 0.219
z -0.024 0.219 -33.683
Traceless
 xyz
x -2.946 2.197 -0.024
y 2.197 -1.381 0.219
z -0.024 0.219 4.327
Polar
3z2-r28.654
x2-y2-1.043
xy2.197
xz-0.024
yz0.219


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.719 0.397 0.069
y 0.397 7.052 -0.037
z 0.069 -0.037 5.731


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