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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-323.675465
Energy at 298.15K-323.685373
HF Energy-323.675465
Nuclear repulsion energy247.491950
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 wB97X-D/cc-pVDZ
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 3660 3487 12.97      
2 A 3565 3396 1.38      
3 A 3354 3195 793.13      
4 A 3160 3011 5.57      
5 A 3120 2972 20.92      
6 A 3065 2920 6.64      
7 A 3054 2910 56.30      
8 A 1876 1787 465.66      
9 A 1668 1589 43.77      
10 A 1528 1456 10.76      
11 A 1501 1430 291.58      
12 A 1474 1404 11.39      
13 A 1433 1365 7.11      
14 A 1382 1317 11.11      
15 A 1326 1263 6.28      
16 A 1316 1253 29.27      
17 A 1269 1209 55.99      
18 A 1164 1109 6.54      
19 A 1104 1052 8.19      
20 A 1031 982 12.82      
21 A 1005 957 100.16      
22 A 969 923 24.37      
23 A 923 879 24.57      
24 A 880 838 54.29      
25 A 826 787 23.40      
26 A 702 669 10.99      
27 A 580 553 2.82      
28 A 498 474 9.48      
29 A 410 391 13.59      
30 A 332 317 8.35      
31 A 287 274 8.77      
32 A 209 199 4.78      
33 A 87 83 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 24379.4 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 23223.8 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 wB97X-D/cc-pVDZ
ABC
0.24036 0.08372 0.06622

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.828 0.614 0.001
C2 1.360 -0.748 -0.305
C3 0.015 -0.993 0.378
C4 -1.054 0.032 0.019
O5 -0.654 1.310 0.031
O6 -2.199 -0.272 -0.213
H7 2.610 0.880 -0.589
H8 2.133 0.695 0.966
H9 2.067 -1.541 -0.028
H10 1.232 -0.793 -1.391
H11 -0.367 -1.986 0.130
H12 0.130 -0.958 1.469
H13 0.286 1.355 0.336

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.47242.45262.94002.57774.12851.01471.01552.16812.06673.40522.74071.7433
C21.47241.52892.55752.89943.59182.07202.07231.09731.09462.16912.16922.4471
C32.45261.52891.52392.42372.40173.34382.77172.16282.15711.09191.09762.3644
C42.94002.55751.52391.33941.20693.80933.38983.49512.80962.13442.11761.9094
O52.57772.89942.42371.33942.22473.34983.00283.94133.16273.31002.79730.9890
O64.12853.59182.40171.20692.22474.95894.59184.45443.66492.53172.95303.0201
H71.01472.07203.34383.80933.34984.95891.63682.54312.31084.19443.70992.5459
H81.01552.07232.77173.38983.00284.59181.63682.44732.92913.75962.64502.0598
H92.16811.09732.16283.49513.94134.45442.54312.44731.76462.47992.51713.4189
H102.06671.09462.15712.80963.16273.66492.31082.92911.76462.50893.06982.9140
H113.40522.16911.09192.13443.31002.53174.19443.75962.47992.50891.76013.4103
H122.74072.16921.09762.11762.79732.95303.70992.64502.51713.06981.76012.5800
H131.74332.44712.36441.90940.98903.02012.54592.05983.41892.91403.41032.5800

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 109.590 N1 C2 H9 114.270
N1 C2 H10 106.304 C2 N1 H7 111.512
C2 N1 H8 111.477 C2 C3 C4 113.808
C2 C3 H11 110.604 C2 C3 H12 110.275
C3 C2 H9 109.787 C3 C2 H10 109.506
C3 C4 O5 115.506 C3 C4 O6 122.740
C4 C3 H11 108.226 C4 C3 H12 106.625
C4 O5 H13 109.257 O5 C4 O6 121.694
H7 N1 H8 107.460 H9 C2 H10 107.230
H11 C3 H12 107.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.779      
2 C -0.191      
3 C -0.301      
4 C 0.406      
5 O -0.459      
6 O -0.466      
7 H 0.321      
8 H 0.322      
9 H 0.160      
10 H 0.177      
11 H 0.199      
12 H 0.187      
13 H 0.424      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.826 -1.405 0.596 6.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.285 1.675 -0.378
y 1.675 -37.765 0.045
z -0.378 0.045 -33.777
Traceless
 xyz
x -4.514 1.675 -0.378
y 1.675 -0.734 0.045
z -0.378 0.045 5.248
Polar
3z2-r210.496
x2-y2-2.520
xy1.675
xz-0.378
yz0.045


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.032 0.384 0.132
y 0.384 7.411 -0.025
z 0.132 -0.025 6.002


<r2> (average value of r2) Å2
<r2> 172.172
(<r2>)1/2 13.121