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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-323.191882
Energy at 298.15K-323.201737
HF Energy-322.004607
Nuclear repulsion energy248.176018
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 MP2/Def2TZVPP
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 3633 3457 13.79      
2 A 3537 3365 2.62      
3 A 3288 3128 766.92      
4 A 3173 3019 4.04      
5 A 3140 2987 14.59      
6 A 3081 2932 4.21      
7 A 3074 2925 44.89      
8 A 1824 1735 353.25      
9 A 1650 1570 28.46      
10 A 1527 1453 7.35      
11 A 1492 1419 224.89      
12 A 1469 1398 8.68      
13 A 1422 1353 11.00      
14 A 1377 1310 9.14      
15 A 1321 1257 6.52      
16 A 1297 1234 16.55      
17 A 1258 1197 75.82      
18 A 1153 1097 8.27      
19 A 1101 1047 6.29      
20 A 1029 979 7.33      
21 A 996 948 82.61      
22 A 967 920 17.05      
23 A 923 879 18.19      
24 A 873 831 52.86      
25 A 821 781 18.29      
26 A 699 665 7.45      
27 A 581 553 2.26      
28 A 490 466 8.70      
29 A 405 385 12.69      
30 A 325 309 7.45      
31 A 283 269 9.32      
32 A 205 195 5.16      
33 A 87 82 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 24250.4 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 23074.2 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 MP2/Def2TZVPP
ABC
0.24174 0.08419 0.06679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.809 0.604 0.021
C2 1.336 -0.746 -0.320
C3 0.004 -0.999 0.368
C4 -1.049 0.037 0.026
O5 -0.603 1.303 0.021
O6 -2.203 -0.241 -0.198
H7 2.595 0.866 -0.560
H8 2.128 0.636 0.981
H9 2.037 -1.545 -0.073
H10 1.195 -0.758 -1.401
H11 -0.387 -1.980 0.111
H12 0.132 -0.973 1.453
H13 0.341 1.273 0.310

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.47072.43892.91372.51124.10571.01181.01232.16382.06243.39232.71101.6384
C21.47071.52102.53432.84163.57702.05922.05701.09181.08942.16282.15562.3370
C32.43891.52101.51612.40522.40083.32442.74982.15152.14631.08711.09272.2967
C42.91372.53431.51611.34191.20783.78263.37153.46992.77572.12502.10991.8814
O52.51122.84162.40521.34192.23393.27942.97123.88493.08253.29132.78740.9881
O64.10573.57702.40081.20782.23394.93704.57384.43803.64162.53352.95183.0035
H71.01182.05923.32443.78263.27944.93701.62652.52262.30294.17623.67412.4497
H81.01232.05702.74983.37152.97124.57381.62652.42452.91323.73172.60702.0124
H92.16381.09182.15153.46993.88494.43802.52262.42451.75822.46952.50743.3112
H102.06241.08942.14632.77573.08253.64162.30292.91321.75822.50643.05292.7891
H113.39232.16281.08712.12503.29132.53354.17623.73172.46952.50641.75613.3390
H122.71102.15561.09272.10992.78742.95183.67412.60702.50743.05291.75612.5281
H131.63842.33702.29671.88140.98813.00352.44972.01243.31122.78913.33902.5281

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 109.206 N1 C2 H9 114.407
N1 C2 H10 106.379 C2 N1 H7 110.730
C2 N1 H8 110.513 C2 C3 C4 113.119
C2 C3 H11 110.955 C2 C3 H12 110.048
C3 C2 H9 109.777 C3 C2 H10 109.500
C3 C4 O5 114.482 C3 C4 O6 123.225
C4 C3 H11 108.305 C4 C3 H12 106.831
C4 O5 H13 106.716 O5 C4 O6 122.276
H7 N1 H8 106.941 H9 C2 H10 107.431
H11 C3 H12 107.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability