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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-323.773289
Energy at 298.15K-323.783177
HF Energy-323.773289
Nuclear repulsion energy248.152414
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/cc-pVTZ
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 3632 3472 8.64      
2 A 3546 3390 1.03      
3 A 3392 3242 683.64      
4 A 3147 3008 6.71      
5 A 3104 2968 20.90      
6 A 3055 2921 5.77      
7 A 3043 2909 53.24      
8 A 1876 1793 421.49      
9 A 1659 1586 32.49      
10 A 1525 1458 9.53      
11 A 1496 1430 259.60      
12 A 1469 1404 10.18      
13 A 1433 1370 7.08      
14 A 1379 1318 10.44      
15 A 1325 1267 4.42      
16 A 1311 1254 25.51      
17 A 1263 1208 63.51      
18 A 1165 1114 6.67      
19 A 1100 1052 7.35      
20 A 1031 985 8.33      
21 A 988 945 47.38      
22 A 958 916 53.80      
23 A 920 880 13.60      
24 A 873 835 49.79      
25 A 824 787 24.06      
26 A 706 675 10.01      
27 A 584 558 2.28      
28 A 495 473 8.73      
29 A 405 388 11.91      
30 A 322 308 9.02      
31 A 288 275 8.67      
32 A 208 198 4.04      
33 A 86 82 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 24303.3 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 23234.0 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 wB97X-D/cc-pVTZ
ABC
0.24255 0.08376 0.06642

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.842 0.606 0.022
C2 1.352 -0.738 -0.316
C3 0.012 -0.988 0.367
C4 -1.059 0.034 0.024
O5 -0.654 1.306 0.017
O6 -2.199 -0.268 -0.196
H7 2.626 0.864 -0.562
H8 2.157 0.646 0.982
H9 2.049 -1.541 -0.065
H10 1.217 -0.753 -1.398
H11 -0.370 -1.974 0.111
H12 0.133 -0.964 1.454
H13 0.289 1.329 0.302

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46942.45162.95662.59174.13961.01081.01172.15922.06253.39972.72681.7356
C21.46941.52472.55382.88243.58362.06122.06111.09331.09052.16262.16052.4046
C32.45161.52471.51972.41422.39233.33572.76632.15482.14961.08771.09362.3350
C42.95662.55381.51971.33501.19933.82213.41133.48562.79612.12472.11221.8900
O52.59172.88242.41421.33502.21553.35923.04413.92663.12103.29362.79890.9849
O64.13963.58362.39231.19932.21554.96894.60404.43673.65312.52012.93982.9977
H71.01082.06123.33573.82213.35924.96891.62832.52312.30234.18143.69032.5341
H81.01172.06112.76633.41133.04414.60401.62832.42772.91683.74332.62922.1022
H92.15921.09332.15483.48563.92664.43672.52312.42771.75792.46402.51233.3871
H102.06251.09052.14962.79613.12103.65312.30232.91681.75792.50703.05762.8435
H113.39972.16261.08772.12473.29362.52014.18143.74332.46402.50701.75373.3739
H122.72682.16051.09362.11222.79892.93983.69032.62922.51233.05761.75372.5709
H131.73562.40462.33501.89000.98492.99772.53412.10223.38712.84353.37392.5709

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 109.914 N1 C2 H9 114.014
N1 C2 H10 106.414 C2 N1 H7 111.065
C2 N1 H8 110.995 C2 C3 C4 114.040
C2 C3 H11 110.635 C2 C3 H12 110.120
C3 C2 H9 109.685 C3 C2 H10 109.446
C3 C4 O5 115.344 C3 C4 O6 122.817
C4 C3 H11 108.005 C4 C3 H12 106.711
C4 O5 H13 108.167 O5 C4 O6 121.815
H7 N1 H8 107.239 H9 C2 H10 107.215
H11 C3 H12 107.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.307      
2 C -0.107      
3 C -0.214      
4 C 0.278      
5 O -0.258      
6 O -0.309      
7 H 0.144      
8 H 0.133      
9 H 0.094      
10 H 0.111      
11 H 0.113      
12 H 0.109      
13 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.404 -1.188 0.560 6.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.209 1.454 -0.269
y 1.454 -37.086 0.063
z -0.269 0.063 -33.424
Traceless
 xyz
x -3.954 1.454 -0.269
y 1.454 -0.770 0.063
z -0.269 0.063 4.724
Polar
3z2-r29.448
x2-y2-2.123
xy1.454
xz-0.269
yz0.063


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.796 0.355 0.089
y 0.355 7.264 -0.015
z 0.089 -0.015 5.941


<r2> (average value of r2) Å2
<r2> 171.258
(<r2>)1/2 13.087