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

using model chemistry: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-322.886662
Energy at 298.15K-322.896576
Nuclear repulsion energy246.673639
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 CCD/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 3605 3449 4.55      
2 A 3530 3377 449.28      
3 A 3516 3364 180.24      
4 A 3164 3027 8.17      
5 A 3120 2985 24.85      
6 A 3070 2937 8.07      
7 A 3054 2921 51.75      
8 A 1926 1843 351.05      
9 A 1661 1589 24.87      
10 A 1536 1470 263.69      
11 A 1517 1451 20.11      
12 A 1467 1404 8.67      
13 A 1440 1377 10.56      
14 A 1392 1331 14.87      
15 A 1338 1280 8.44      
16 A 1318 1261 26.03      
17 A 1274 1219 43.28      
18 A 1159 1109 6.13      
19 A 1115 1067 5.69      
20 A 1056 1010 16.16      
21 A 997 954 30.94      
22 A 961 920 59.34      
23 A 922 882 33.04      
24 A 890 851 38.90      
25 A 833 797 14.67      
26 A 711 680 9.84      
27 A 590 565 3.92      
28 A 495 473 9.58      
29 A 407 389 15.27      
30 A 333 318 7.63      
31 A 281 269 7.19      
32 A 208 199 4.12      
33 A 89 85 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 24486.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23426.0 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 CCD/cc-pVDZ
ABC
0.23900 0.08292 0.06591

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.923 0.576 0.138
C2 1.358 -0.686 -0.382
C3 0.023 -0.982 0.316
C4 -1.090 0.035 0.029
O5 -0.703 1.320 -0.042
O6 -2.241 -0.292 -0.105
H7 2.721 0.864 -0.433
H8 2.298 0.416 1.077
H9 2.041 -1.550 -0.260
H10 1.188 -0.556 -1.467
H11 -0.362 -1.972 0.024
H12 0.183 -1.007 1.413
H13 0.273 1.349 0.076

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.47742.46353.06292.73464.26011.02231.02402.16702.09693.42412.67631.8233
C21.47741.53592.58542.89633.63132.06432.05571.10791.10532.18572.17012.3521
C32.46351.53591.53482.44012.40393.35362.77622.17412.17191.10141.10862.3571
C43.06292.58541.53481.34391.20403.92723.56673.52122.78862.13462.14971.8939
O52.73462.89632.44011.34392.22923.47573.32773.97663.02073.30982.88390.9829
O64.26013.63132.40391.20402.22925.10504.74344.46523.69852.52322.94793.0076
H71.02232.06433.35363.92723.47575.10501.63052.51442.33154.21333.65392.5470
H81.02402.05572.77623.56673.32774.74341.63052.39172.94053.72592.57152.4447
H92.16701.10792.17413.52123.97664.46522.51442.39171.78062.45572.55893.4130
H102.09691.10532.17192.78863.02073.69852.33152.94051.78062.57423.08332.6169
H113.42412.18571.10142.13463.30982.52324.21333.72592.45572.57421.77663.3815
H122.67632.17011.10862.14972.88392.94793.65392.57152.55893.08331.77662.7113
H131.82332.35212.35711.89390.98293.00762.54702.44473.41302.61693.38152.7113

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 109.669 N1 C2 H9 113.126
N1 C2 H10 107.694 C2 N1 H7 110.014
C2 N1 H8 109.189 C2 C3 C4 114.696
C2 C3 H11 110.868 C2 C3 H12 109.226
C3 C2 H9 109.574 C3 C2 H10 109.557
C3 C4 O5 115.749 C3 C4 O6 122.273
C4 C3 H11 106.989 C4 C3 H12 107.733
C4 O5 H13 107.962 O5 C4 O6 121.970
H7 N1 H8 105.654 H9 C2 H10 107.132
H11 C3 H12 107.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability