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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-321.985918
Energy at 298.15K-321.995974
HF Energy-321.985918
Nuclear repulsion energy248.775996
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/TZVP
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 3887 3532 470.57      
2 A 3808 3460 9.94      
3 A 3728 3387 8.96      
4 A 3270 2971 12.14      
5 A 3222 2928 35.44      
6 A 3174 2884 11.14      
7 A 3165 2876 58.34      
8 A 2013 1829 515.39      
9 A 1796 1632 42.66      
10 A 1643 1493 3.01      
11 A 1592 1446 18.99      
12 A 1560 1418 321.43      
13 A 1548 1407 77.94      
14 A 1495 1358 8.16      
15 A 1431 1300 4.59      
16 A 1410 1281 5.75      
17 A 1348 1225 64.88      
18 A 1249 1134 8.02      
19 A 1158 1052 13.05      
20 A 1104 1003 17.11      
21 A 1049 953 21.87      
22 A 984 894 56.02      
23 A 943 856 70.49      
24 A 899 817 45.63      
25 A 866 787 64.59      
26 A 769 698 18.63      
27 A 624 567 7.35      
28 A 524 476 10.60      
29 A 418 380 17.64      
30 A 339 308 10.48      
31 A 274 249 2.78      
32 A 203 184 5.51      
33 A 84 76 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 25787.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 23430.9 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 HF/TZVP
ABC
0.24436 0.08306 0.06629

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.953 0.564 0.126
C2 1.355 -0.674 -0.375
C3 0.026 -0.961 0.323
C4 -1.091 0.031 0.035
O5 -0.746 1.304 -0.034
O6 -2.211 -0.310 -0.116
H7 2.703 0.872 -0.457
H8 2.321 0.442 1.049
H9 2.008 -1.532 -0.248
H10 1.188 -0.554 -1.439
H11 -0.344 -1.937 0.043
H12 0.176 -0.973 1.400
H13 0.197 1.405 0.076

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46342.46553.09182.80364.26190.99901.00032.12982.07073.39682.67261.9477
C21.46341.52812.57802.90523.59362.05322.05111.08601.08362.15782.15202.4217
C32.46551.52811.52192.41972.37143.33732.78622.13962.14951.08021.08762.3856
C43.09182.57801.52191.32031.18053.91753.58313.48212.77642.10482.11561.8840
O52.80362.90522.41971.32032.18073.50223.36483.95873.02773.26632.84400.9553
O64.26193.59362.37141.18052.18075.06614.73954.39433.65542.48162.90452.9628
H70.99902.05323.33733.91753.50225.06611.61162.51152.30174.17473.63872.6169
H81.00032.05112.78623.58313.36484.73951.61162.38272.90993.71142.59372.5266
H92.12981.08602.13963.48213.95874.39432.51152.38271.74582.40412.52693.4654
H102.07071.08362.14952.77643.02773.65542.30172.90991.74582.54073.04332.6675
H113.39682.15781.08022.10483.26632.48164.17473.71142.40412.54071.74413.3857
H122.67262.15201.08762.11562.84402.90453.63872.59372.52693.04331.74412.7218
H131.94772.42172.38561.88400.95532.96282.61692.52663.46542.66753.38572.7218

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 110.990 N1 C2 H9 112.471
N1 C2 H10 107.843 C2 N1 H7 111.595
C2 N1 H8 111.322 C2 C3 C4 115.396
C2 C3 H11 110.467 C2 C3 H12 109.572
C3 C2 H9 108.686 C3 C2 H10 109.604
C3 C4 O5 116.539 C3 C4 O6 122.177
C4 C3 H11 106.745 C4 C3 H12 107.161
C4 O5 H13 110.750 O5 C4 O6 121.284
H7 N1 H8 107.434 H9 C2 H10 107.148
H11 C3 H12 107.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.519      
2 C -0.121      
3 C -0.120      
4 C 0.318      
5 O -0.338      
6 O -0.411      
7 H 0.220      
8 H 0.210      
9 H 0.100      
10 H 0.110      
11 H 0.129      
12 H 0.104      
13 H 0.319      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.667 -1.339 0.658 6.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.925 1.184 -0.750
y 1.184 -37.707 -0.095
z -0.750 -0.095 -33.634
Traceless
 xyz
x -5.254 1.184 -0.750
y 1.184 -0.428 -0.095
z -0.750 -0.095 5.682
Polar
3z2-r211.363
x2-y2-3.218
xy1.184
xz-0.750
yz-0.095


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.897 0.437 0.138
y 0.437 6.547 0.020
z 0.138 0.020 5.540


<r2> (average value of r2) Å2
<r2> 172.215
(<r2>)1/2 13.123