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

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-323.703219
Energy at 298.15K-323.713102
Nuclear repulsion energy244.883883
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 B3LYP/SDD
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 3622 3481 8.62      
2 A 3509 3373 2.34      
3 A 3151 3029 13.92      
4 A 3124 3003 27.99      
5 A 3054 2936 31.40      
6 A 3048 2930 27.23      
7 A 2808 2699 978.22      
8 A 1744 1677 404.74      
9 A 1686 1621 71.65      
10 A 1534 1475 27.04      
11 A 1501 1443 213.29      
12 A 1490 1432 5.87      
13 A 1421 1366 12.63      
14 A 1372 1319 6.65      
15 A 1314 1264 5.07      
16 A 1289 1240 16.56      
17 A 1223 1176 130.03      
18 A 1155 1110 33.74      
19 A 1147 1102 127.24      
20 A 1085 1043 13.56      
21 A 1003 964 26.75      
22 A 949 912 4.85      
23 A 917 881 70.78      
24 A 859 826 76.97      
25 A 801 770 8.02      
26 A 671 645 11.08      
27 A 556 535 2.61      
28 A 487 468 9.05      
29 A 429 412 10.64      
30 A 354 340 2.77      
31 A 316 304 14.73      
32 A 205 197 7.97      
33 A 87 84 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 23955.0 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 23027.9 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 B3LYP/SDD
ABC
0.23299 0.08334 0.06536

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.896 0.576 0.143
C2 1.365 -0.735 -0.352
C3 -0.014 -1.035 0.280
C4 -1.085 0.045 0.022
O5 -0.602 1.326 -0.052
O6 -2.291 -0.220 -0.085
H7 2.623 0.969 -0.454
H8 2.218 0.535 1.111
H9 2.055 -1.566 -0.144
H10 1.263 -0.653 -1.441
H11 -0.403 -1.986 -0.095
H12 0.093 -1.143 1.371
H13 0.421 1.319 0.046

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.49872.50213.03092.61564.26781.01961.02112.16652.10223.45052.77721.6544
C21.49871.54632.59892.86493.70142.12032.11761.09961.09632.18112.18012.2959
C32.50211.54631.54352.45552.44583.39202.85282.17752.17661.09411.10092.4057
C43.03092.59891.54351.37081.23853.85123.51333.53352.85322.14582.14961.9737
O52.61562.86492.45551.37082.28953.26963.15173.92803.05323.31792.93301.0283
O64.26783.70142.44581.23852.28955.06874.72584.54963.82782.58472.94163.1213
H71.01962.12033.39203.85123.26965.06871.67412.61562.33494.24453.76712.2848
H81.02112.11762.85283.51333.15174.72581.67412.45302.97283.83222.72062.2312
H92.16651.09962.17753.53353.92804.54962.61562.45301.77252.49442.51453.3210
H102.10221.09632.17662.85323.05323.82782.33492.97281.77252.52253.08432.6094
H113.45052.18111.09412.14583.31792.58474.24453.83222.49442.52251.76233.4096
H122.77722.18011.10092.14962.93302.94163.76712.72062.51453.08431.76232.8154
H131.65442.29592.40571.97371.02833.12132.28482.23123.32102.60943.40962.8154

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 110.504 N1 C2 H9 112.072
N1 C2 H10 107.188 C2 N1 H7 113.319
C2 N1 H8 112.990 C2 C3 C4 114.520
C2 C3 H11 110.212 C2 C3 H12 109.740
C3 C2 H9 109.614 C3 C2 H10 109.729
C3 C4 O5 114.702 C3 C4 O6 122.699
C4 C3 H11 107.667 C4 C3 H12 107.578
C4 O5 H13 109.889 O5 C4 O6 122.585
H7 N1 H8 110.233 H9 C2 H10 107.648
H11 C3 H12 106.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.678      
2 C -0.342      
3 C -0.445      
4 C 0.237      
5 O -0.433      
6 O -0.268      
7 H 0.315      
8 H 0.301      
9 H 0.212      
10 H 0.224      
11 H 0.232      
12 H 0.216      
13 H 0.430      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  7.649 -1.899 0.656 7.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.487 2.915 -0.414
y 2.915 -37.923 0.236
z -0.414 0.236 -33.379
Traceless
 xyz
x -4.836 2.915 -0.414
y 2.915 -0.989 0.236
z -0.414 0.236 5.825
Polar
3z2-r211.651
x2-y2-2.564
xy2.915
xz-0.414
yz0.236


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.197 0.543 0.117
y 0.543 6.373 -0.053
z 0.117 -0.053 5.037


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