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All results from a given calculation for CH3CH(NH2)COOH (Alanine)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-323.885045
Energy at 298.15K-323.894457
HF Energy-323.885045
Nuclear repulsion energy249.862691
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 B3LYP/aug-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 3590 3473 11.40      
2 A 3506 3392 1.61      
3 A 3467 3354 266.61      
4 A 3128 3026 6.19      
5 A 3092 2992 25.41      
6 A 3040 2941 15.08      
7 A 3030 2931 10.09      
8 A 1830 1770 329.79      
9 A 1657 1604 29.89      
10 A 1502 1453 9.72      
11 A 1492 1443 2.99      
12 A 1411 1365 73.70      
13 A 1404 1358 311.57      
14 A 1389 1344 9.68      
15 A 1313 1270 9.15      
16 A 1233 1193 11.01      
17 A 1207 1168 23.19      
18 A 1142 1105 12.12      
19 A 1074 1039 41.60      
20 A 1019 986 0.65      
21 A 936 906 36.20      
22 A 873 844 66.00      
23 A 840 813 103.05      
24 A 801 775 5.77      
25 A 737 713 9.06      
26 A 568 550 3.63      
27 A 528 511 1.42      
28 A 405 392 3.81      
29 A 350 338 11.08      
30 A 276 267 12.28      
31 A 267 259 16.58      
32 A 229 221 0.38      
33 A 57 55 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 23695.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 22924.9 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 B3LYP/aug-cc-pVTZ
ABC
0.16267 0.11383 0.07194

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.105 1.333 0.012
C2 1.447 -1.168 -0.237
C3 0.646 -0.022 0.373
C4 -0.860 -0.153 0.055
O5 -1.469 1.014 -0.192
O6 -1.447 -1.202 0.067
H7 1.450 1.356 -0.942
H8 1.860 1.642 0.609
H9 1.011 -2.125 0.042
H10 1.441 -1.104 -1.327
H11 0.700 -0.091 1.462
H12 2.482 -1.135 0.105
H13 -0.751 1.688 -0.185

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53631.47542.46332.60083.59721.01461.01173.45882.80092.07202.82791.8996
C22.53631.52492.53723.64212.91052.62032.96361.08771.09202.14591.09013.6041
C31.47541.52491.54442.42172.42202.06712.07402.15922.16581.09332.16352.2775
C42.46332.53721.54441.33941.20232.93333.30582.71822.84762.10193.48341.8594
O52.60083.64212.42171.33942.23143.03243.48114.00713.77372.94334.50720.9840
O63.59722.91052.42201.20232.23143.99414.39582.62613.20862.79163.92982.9829
H71.01462.62032.06712.93333.03243.99411.62973.64322.49002.90412.89242.3510
H81.01172.96362.07403.30583.48114.39581.62973.90283.38642.25322.89062.7299
H93.45881.08772.15922.71824.00712.62613.64323.90281.76062.50021.77354.2061
H102.80091.09202.16582.84763.77373.20862.49003.38641.76063.05871.77053.7289
H112.07202.14591.09332.10192.94332.79162.90412.25322.50023.05872.47132.8255
H122.82791.09012.16353.48344.50723.92982.89242.89061.77351.77052.47134.3018
H131.89963.60412.27751.85940.98402.98292.35102.72994.20613.72892.82554.3018

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.407 N1 C3 C4 109.299
N1 C3 H11 106.591 C2 C3 C4 111.510
C2 C3 H11 108.975 C3 N1 H7 110.870
C3 N1 H8 111.649 C3 C2 H9 110.355
C3 C2 H10 110.618 C3 C2 H12 110.547
C3 C4 O5 114.047 C3 C4 O6 123.234
C4 C3 H11 104.363 C4 O5 H13 105.286
O5 C4 O6 122.683 H7 N1 H8 107.082
H9 C2 H10 107.746 H9 C2 H12 109.047
H10 C2 H12 108.454
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability