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/6-31G

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/6-31G
 hartrees
Energy at 0K-321.975388
Energy at 298.15K-321.985449
Nuclear repulsion energy248.381294
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/6-31G
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 3551 3551 17.41      
2 A 3435 3435 5.77      
3 A 3086 3086 2.13      
4 A 3049 3049 12.51      
5 A 2982 2982 27.71      
6 A 2978 2978 10.81      
7 A 2287 2287 1023.08      
8 A 1769 1769 539.94      
9 A 1636 1636 74.20      
10 A 1576 1576 228.58      
11 A 1486 1486 7.59      
12 A 1444 1444 10.68      
13 A 1381 1381 16.23      
14 A 1332 1332 17.54      
15 A 1291 1291 48.74      
16 A 1278 1278 53.85      
17 A 1262 1262 81.33      
18 A 1233 1233 61.99      
19 A 1133 1133 12.05      
20 A 1087 1087 5.25      
21 A 996 996 38.41      
22 A 959 959 0.89      
23 A 913 913 60.37      
24 A 870 870 74.12      
25 A 815 815 18.01      
26 A 682 682 14.48      
27 A 574 574 5.25      
28 A 499 499 11.98      
29 A 446 446 7.02      
30 A 390 390 15.26      
31 A 357 357 5.42      
32 A 214 214 6.07      
33 A 98 98 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 23543.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23543.6 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 SVWN/6-31G
ABC
0.23945 0.08672 0.06797

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.844 -0.557 0.155
C2 -1.334 0.729 -0.353
C3 0.021 1.025 0.269
C4 1.060 -0.058 0.018
O5 0.556 -1.302 -0.066
O6 2.263 0.198 -0.070
H7 -2.579 -0.980 -0.419
H8 -2.124 -0.525 1.143
H9 -2.039 1.564 -0.177
H10 -1.219 0.623 -1.448
H11 0.431 1.973 -0.116
H12 -0.086 1.156 1.367
H13 -0.512 -1.254 0.046

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.47422.44842.94962.52294.18231.02441.02692.15612.08633.41302.73701.5071
C21.47421.52002.54682.78923.64692.11562.10611.10731.10532.17162.16722.1834
C32.44841.52001.52212.41172.41393.35492.78692.17522.15541.10211.11042.3518
C42.94962.54681.52211.34471.23373.77933.40883.50302.79332.13072.14671.9756
O52.52292.78922.41171.34472.27303.17173.04113.86822.96053.27802.91701.0754
O64.18233.64692.41391.23372.27304.99614.60894.51483.76862.55152.91583.1351
H71.02442.11563.35493.77933.17174.99611.68942.61232.34054.22723.73702.1362
H81.02692.10612.78693.40883.04114.60891.68942.47282.97453.78822.65092.0815
H92.15611.10732.17523.50303.86824.51482.61232.47281.78142.50342.52203.2131
H102.08631.10532.15542.79332.96053.76862.34052.97451.78142.51283.08002.5004
H113.41302.17161.10212.13073.27802.55154.22723.78822.50342.51281.77033.3661
H122.73702.16721.11042.14672.91702.91583.73702.65092.52203.08001.77032.7815
H131.50712.18342.35181.97561.07543.13512.13622.08153.21312.50043.36612.7815

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 109.707 N1 C2 H9 112.505
N1 C2 H10 107.094 C2 N1 H7 114.517
C2 N1 H8 113.516 C2 C3 C4 113.690
C2 C3 H11 110.821 C2 C3 H12 109.977
C3 C2 H9 110.792 C3 C2 H10 109.360
C3 C4 O5 114.408 C3 C4 O6 121.966
C4 C3 H11 107.499 C4 C3 H12 108.254
C4 O5 H13 108.933 O5 C4 O6 123.608
H7 N1 H8 110.888 H9 C2 H10 107.247
H11 C3 H12 106.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.777      
2 C -0.237      
3 C -0.409      
4 C 0.414      
5 O -0.526      
6 O -0.375      
7 H 0.349      
8 H 0.343      
9 H 0.185      
10 H 0.212      
11 H 0.210      
12 H 0.198      
13 H 0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -7.798 1.598 0.705 7.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.692 3.289 0.145
y 3.289 -37.573 -0.362
z 0.145 -0.362 -33.200
Traceless
 xyz
x -3.305 3.289 0.145
y 3.289 -1.627 -0.362
z 0.145 -0.362 4.932
Polar
3z2-r29.865
x2-y2-1.118
xy3.289
xz0.145
yz-0.362


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.065 0.558 -0.114
y 0.558 6.357 0.049
z -0.114 0.049 5.032


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