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

using model chemistry: MP2=FULL/6-311G**

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=FULL/6-311G**
 hartrees
Energy at 0K-323.086135
Energy at 298.15K-323.095758
HF Energy-321.945735
Nuclear repulsion energy250.572092
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=FULL/6-311G**
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 3650 3462 9.27      
2 A 3563 3380 183.84      
3 A 3543 3361 103.19      
4 A 3201 3037 5.99      
5 A 3171 3008 22.79      
6 A 3100 2941 10.73      
7 A 3083 2925 12.57      
8 A 1864 1768 238.18      
9 A 1658 1573 37.29      
10 A 1518 1440 19.27      
11 A 1510 1432 2.34      
12 A 1460 1385 385.53      
13 A 1428 1354 7.41      
14 A 1410 1337 5.25      
15 A 1338 1270 9.60      
16 A 1264 1199 11.12      
17 A 1231 1168 15.09      
18 A 1182 1121 6.19      
19 A 1119 1061 51.22      
20 A 1033 980 0.82      
21 A 964 915 51.73      
22 A 916 869 70.50      
23 A 887 842 89.94      
24 A 820 777 11.88      
25 A 743 705 7.92      
26 A 570 541 6.37      
27 A 541 513 0.84      
28 A 414 393 5.44      
29 A 366 347 13.90      
30 A 311 295 13.70      
31 A 285 271 12.58      
32 A 250 237 1.43      
33 A 72 68 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 24230.8 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 22985.4 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=FULL/6-311G**
ABC
0.16240 0.11636 0.07228

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.073 1.344 -0.047
C2 1.453 -1.151 -0.190
C3 0.641 0.004 0.378
C4 -0.853 -0.162 0.053
O5 -1.487 1.002 -0.142
O6 -1.399 -1.236 0.014
H7 1.430 1.306 -0.997
H8 1.824 1.685 0.540
H9 1.050 -2.103 0.156
H10 1.401 -1.143 -1.284
H11 0.693 -0.019 1.473
H12 2.500 -1.068 0.112
H13 -0.766 1.663 -0.097

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.52721.47002.44632.58433.57361.01591.01293.45252.79652.07652.80691.8672
C22.52721.52222.52093.64432.86132.58602.95201.09061.09472.15081.09303.5849
C31.47001.52221.53762.40692.41552.05152.06232.15802.15781.09652.16282.2265
C42.44632.52091.53761.33951.20602.91003.28882.71992.79832.10373.47381.8332
O52.58433.64432.40691.33952.24503.05483.44934.02033.77452.89864.49970.9794
O63.57362.86132.41551.20602.24503.93564.38242.60203.08812.82643.90462.9697
H71.01592.58602.05152.91003.05483.93561.63173.61872.46592.89872.83082.3999
H81.01292.95202.06233.28883.44934.38241.63173.88573.39182.24882.86712.6677
H93.45251.09062.15802.71994.02032.60203.61873.88571.76552.49101.78244.1886
H102.79651.09472.15782.79833.77453.08812.46593.39181.76553.06031.77843.7390
H112.07652.15081.09652.10372.89862.82642.89872.24882.49103.06032.49372.7247
H122.80691.09302.16283.47384.49973.90462.83082.86711.78241.77842.49374.2628
H131.86723.58492.22651.83320.97942.96972.39992.66774.18863.73902.72474.2628

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.244 N1 C3 C4 108.833
N1 C3 H11 107.115 C2 C3 C4 110.949
C2 C3 H11 109.354 C3 N1 H7 109.880
C3 N1 H8 110.978 C3 C2 H9 110.278
C3 C2 H10 110.019 C3 C2 H12 110.512
C3 C4 O5 113.381 C3 C4 O6 122.925
C4 C3 H11 104.761 C4 O5 H13 103.381
O5 C4 O6 123.667 H7 N1 H8 107.084
H9 C2 H10 107.784 H9 C2 H12 109.430
H10 C2 H12 108.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability