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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-322.000858
Energy at 298.15K-322.010850
HF Energy-322.000858
Nuclear repulsion energy248.778769
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 HF/daug-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 3899 3527 449.03      
2 A 3804 3441 10.94      
3 A 3725 3370 7.15      
4 A 3259 2948 12.68      
5 A 3207 2901 33.73      
6 A 3162 2861 10.50      
7 A 3153 2852 56.39      
8 A 2003 1812 519.40      
9 A 1790 1620 36.70      
10 A 1639 1483 2.74      
11 A 1588 1436 16.00      
12 A 1556 1408 305.85      
13 A 1544 1396 75.76      
14 A 1493 1351 11.56      
15 A 1427 1291 3.80      
16 A 1407 1273 4.58      
17 A 1349 1221 56.47      
18 A 1246 1127 6.77      
19 A 1160 1049 13.96      
20 A 1102 997 16.01      
21 A 1046 946 14.88      
22 A 982 889 46.30      
23 A 938 848 70.16      
24 A 892 807 28.77      
25 A 852 771 66.14      
26 A 765 692 18.41      
27 A 622 563 6.56      
28 A 522 472 10.18      
29 A 412 373 15.15      
30 A 332 301 10.87      
31 A 267 242 3.19      
32 A 198 179 5.22      
33 A 82 75 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 25712.6 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 23259.6 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 HF/daug-cc-pVTZ
ABC
0.24529 0.08277 0.06614

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.954 0.564 0.126
C2 1.358 -0.674 -0.371
C3 0.026 -0.959 0.319
C4 -1.092 0.030 0.028
O5 -0.748 1.304 -0.034
O6 -2.213 -0.312 -0.112
H7 2.708 0.867 -0.453
H8 2.311 0.451 1.051
H9 2.009 -1.532 -0.234
H10 1.200 -0.562 -1.436
H11 -0.340 -1.935 0.040
H12 0.170 -0.967 1.397
H13 0.193 1.410 0.069

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46062.46443.09392.80614.26450.99740.99872.12732.06823.39332.67291.9546
C21.46061.52722.58002.90853.59872.04962.04801.08541.08302.15502.15012.4273
C32.46441.52721.52042.41702.37013.33482.78282.13682.14901.07931.08702.3873
C43.09392.58001.52041.32071.18023.92033.57853.48142.78352.10372.11181.8856
O52.80612.90852.41701.32072.18183.50863.35673.95973.04033.26492.83670.9524
O64.26453.59872.37011.18022.18185.07124.73324.39593.66942.48312.89552.9635
H70.99742.04963.33483.92033.50865.07121.61052.50802.29844.16923.63702.6255
H80.99872.04802.78283.57853.35674.73321.61052.38202.90683.70692.59142.5247
H92.12731.08542.13683.48143.95974.39592.50802.38201.74312.39872.52213.4702
H102.06821.08302.14902.78353.04033.66942.29842.90681.74312.53713.04182.6777
H113.39332.15501.07932.10373.26492.48314.16923.70692.39872.53711.74253.3868
H122.67292.15011.08702.11182.83672.89553.63702.59142.52213.04181.74252.7227
H131.95462.42732.38731.88560.95242.96352.62552.52473.47022.67773.38682.7227

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 111.125 N1 C2 H9 112.513
N1 C2 H10 107.876 C2 N1 H7 111.605
C2 N1 H8 111.377 C2 C3 C4 115.680
C2 C3 H11 110.356 C2 C3 H12 109.516
C3 C2 H9 108.559 C3 C2 H10 109.662
C3 C4 O5 116.407 C3 C4 O6 122.210
C4 C3 H11 106.810 C4 C3 H12 106.999
C4 O5 H13 111.063 O5 C4 O6 121.370
H7 N1 H8 107.576 H9 C2 H10 106.998
H11 C3 H12 107.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.413      
2 C -0.701      
3 C -0.234      
4 C 1.375      
5 O -0.797      
6 O -1.276      
7 H 0.023      
8 H 0.148      
9 H 0.448      
10 H 0.628      
11 H 0.362      
12 H 0.428      
13 H 0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.453 -1.170 0.624 6.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.878 0.965 -0.649
y 0.965 -37.484 -0.086
z -0.649 -0.086 -33.694
Traceless
 xyz
x -5.289 0.965 -0.649
y 0.965 -0.198 -0.086
z -0.649 -0.086 5.487
Polar
3z2-r210.974
x2-y2-3.394
xy0.965
xz-0.649
yz-0.086


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.557 0.366 0.105
y 0.366 7.245 0.023
z 0.105 0.023 6.099


<r2> (average value of r2) Å2
<r2> 172.436
(<r2>)1/2 13.131