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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-323.549391
Energy at 298.15K-323.559144
HF Energy-323.549391
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3508 3439 2.40      
2 A 3413 3346 0.24      
3 A 3084 3023 12.39      
4 A 3043 2984 33.22      
5 A 3012 2953 644.02      
6 A 2982 2923 14.14      
7 A 2958 2900 167.29      
8 A 1814 1779 346.36      
9 A 1662 1629 26.46      
10 A 1513 1483 67.22      
11 A 1502 1472 164.03      
12 A 1464 1435 5.69      
13 A 1402 1375 12.69      
14 A 1346 1320 8.16      
15 A 1303 1277 1.49      
16 A 1275 1250 12.40      
17 A 1216 1193 96.80      
18 A 1134 1112 7.84      
19 A 1054 1033 6.08      
20 A 1019 999 11.09      
21 A 1001 982 92.81      
22 A 940 922 2.78      
23 A 907 889 25.69      
24 A 850 834 48.93      
25 A 793 777 13.40      
26 A 677 664 9.86      
27 A 560 549 2.39      
28 A 483 474 10.07      
29 A 406 398 12.34      
30 A 332 325 7.74      
31 A 295 289 9.97      
32 A 200 196 3.85      
33 A 84 83 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 23615.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 23152.8 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 B97D3/6-31G*
ABC
0.23650 0.08316 0.06567

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.903 0.584 0.140
C2 1.371 -0.703 -0.367
C3 0.017 -1.003 0.297
C4 -1.088 0.038 0.023
O5 -0.676 1.323 -0.048
O6 -2.258 -0.274 -0.092
H7 2.693 0.901 -0.424
H8 2.245 0.472 1.097
H9 2.064 -1.548 -0.208
H10 1.233 -0.592 -1.452
H11 -0.363 -1.977 -0.033
H12 0.154 -1.069 1.391
H13 0.328 1.335 0.055

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.48262.47013.04352.69004.25541.02091.02232.16682.09013.42442.71291.7470
C21.48261.53742.59812.89803.66442.07942.07061.10431.09972.17732.16912.3281
C32.47011.53741.54262.45142.42013.36222.78912.17762.16991.09671.10432.3710
C43.04352.59811.54261.35161.21613.90423.52923.53632.82242.14202.15381.9213
O52.69002.89802.45141.35162.24873.41613.25173.97223.04743.31482.91291.0100
O64.25543.66442.42011.21612.24875.09924.71724.50693.76042.54772.94073.0500
H71.02092.07943.36223.90423.41615.09921.64282.53822.32724.21593.69112.4512
H81.02232.07062.78913.52923.25174.71721.64282.41162.94183.75202.61462.3467
H92.16681.10432.17763.53633.97224.50692.53822.41161.77532.47062.53633.3757
H102.09011.09972.16992.82243.04743.76042.32722.94181.77532.54563.07842.6089
H113.42442.17731.09672.14203.31482.54774.21593.75202.47062.54561.76603.3847
H122.71292.16911.10432.15382.91292.94073.69112.61462.53633.07841.76602.7564
H131.74702.32812.37101.92131.01003.05002.45122.34673.37572.60893.38472.7564

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 109.393 N1 C2 H9 114.670
N1 C2 H10 105.906 C2 N1 H7 110.896
C2 N1 H8 110.660 C2 C3 C4 113.685
C2 C3 H11 110.492 C2 C3 H12 109.962
C3 C2 H9 110.148 C3 C2 H10 109.398
C3 C4 O5 114.814 C3 C4 O6 122.884
C4 C3 H11 108.536 C4 C3 H12 107.042
C4 O5 H13 108.208 O5 C4 O6 122.224
H7 N1 H8 107.168 H9 C2 H10 107.127
H11 C3 H12 106.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.752      
2 C -0.178      
3 C -0.387      
4 C 0.568      
5 O -0.574      
6 O -0.448      
7 H 0.329      
8 H 0.323      
9 H 0.153      
10 H 0.177      
11 H 0.185      
12 H 0.170      
13 H 0.436      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.496 -1.187 0.597 6.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.789 1.735 -0.218
y 1.735 -36.916 0.092
z -0.218 0.092 -33.124
Traceless
 xyz
x -2.769 1.735 -0.218
y 1.735 -1.459 0.092
z -0.218 0.092 4.228
Polar
3z2-r28.457
x2-y2-0.873
xy1.735
xz-0.218
yz0.092


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.220 0.442 0.124
y 0.442 6.585 -0.020
z 0.124 -0.020 5.247


<r2> (average value of r2) Å2
<r2> 172.640
(<r2>)1/2 13.139