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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-323.270949
Energy at 298.15K-323.280867
HF Energy-321.991809
Nuclear repulsion energy249.031080
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 MP2=FULL/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 3642 3458 13.14      
2 A 3548 3369 2.30      
3 A 3311 3144 757.67      
4 A 3174 3013 3.89      
5 A 3139 2980 14.28      
6 A 3087 2931 8.11      
7 A 3085 2928 42.05      
8 A 1845 1752 340.88      
9 A 1656 1572 28.98      
10 A 1539 1461 5.81      
11 A 1502 1426 232.74      
12 A 1482 1407 11.50      
13 A 1428 1356 10.16      
14 A 1388 1317 8.95      
15 A 1329 1262 8.08      
16 A 1309 1243 15.12      
17 A 1271 1207 70.03      
18 A 1161 1102 7.50      
19 A 1111 1054 6.13      
20 A 1037 984 6.74      
21 A 1002 951 78.00      
22 A 974 925 17.45      
23 A 929 882 16.98      
24 A 878 833 50.27      
25 A 827 785 22.64      
26 A 707 671 8.05      
27 A 589 559 2.11      
28 A 495 470 8.53      
29 A 409 389 12.82      
30 A 326 310 7.74      
31 A 288 273 9.85      
32 A 209 198 4.32      
33 A 87 83 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 24380.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 23146.7 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 MP2=FULL/cc-pVTZ
ABC
0.24381 0.08473 0.06723

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.899 0.563 0.147
C2 1.343 -0.688 -0.377
C3 0.016 -0.980 0.297
C4 -1.075 0.037 0.027
O5 -0.670 1.309 -0.055
O6 -2.233 -0.274 -0.087
H7 2.685 0.874 -0.405
H8 2.232 0.430 1.092
H9 2.012 -1.537 -0.247
H10 1.187 -0.555 -1.443
H11 -0.368 -1.944 -0.010
H12 0.161 -1.023 1.376
H13 0.312 1.320 0.058

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46602.43943.02282.68314.22261.00941.01102.13892.07023.38412.65481.7612
C21.46601.51742.55662.85433.61202.05972.04951.08781.08562.15432.14082.2994
C32.43941.51741.51482.41482.38783.32512.74502.14282.14031.08271.08972.3309
C43.02282.55661.51481.33781.20433.87613.49693.47522.76182.10362.11471.8897
O52.68312.85432.41481.33782.22453.40103.24213.91492.97543.26762.85970.9882
O64.22263.61202.38781.20432.22455.06004.67184.43163.69002.50502.90433.0060
H71.00942.05973.32513.87613.40105.06001.62622.50812.31614.17393.62542.4587
H81.01102.04952.74503.49693.24214.67181.62622.38962.91413.69012.54632.3557
H92.13891.08782.14283.47523.91494.43162.50812.38961.75322.42622.51443.3382
H102.07021.08562.14032.76182.97543.69002.31612.91411.75322.52993.03632.5570
H113.38412.15431.08272.10363.26762.50504.17393.69012.42622.52991.74663.3351
H122.65482.14081.08972.11472.85972.90433.62542.54632.51443.03631.74662.6927
H131.76122.29942.33091.88970.98823.00602.45872.35573.33822.55703.33512.6927

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 109.693 N1 C2 H9 112.931
N1 C2 H10 107.520 C2 N1 H7 111.287
C2 N1 H8 110.319 C2 C3 C4 114.949
C2 C3 H11 110.787 C2 C3 H12 109.304
C3 C2 H9 109.567 C3 C2 H10 109.505
C3 C4 O5 115.536 C3 C4 O6 122.432
C4 C3 H11 106.981 C4 C3 H12 107.454
C4 O5 H13 107.717 O5 C4 O6 122.022
H7 N1 H8 107.196 H9 C2 H10 107.542
H11 C3 H12 107.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability