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

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-322.855604
Energy at 298.15K 
HF Energy-321.889196
Nuclear repulsion energy249.556861
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.16160 0.11466 0.07196

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.063 1.356 -0.059
C2 1.476 -1.137 -0.174
C3 0.645 0.016 0.374
C4 -0.847 -0.173 0.049
O5 -1.513 0.985 -0.117
O6 -1.384 -1.261 -0.006
H7 1.345 1.352 -1.035
H8 1.850 1.694 0.483
H9 1.097 -2.091 0.188
H10 1.433 -1.148 -1.265
H11 0.696 0.007 1.467
H12 2.516 -1.024 0.132
H13 -0.850 1.700 -0.067

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.52961.46872.44912.60383.58321.01631.01363.45532.80392.06942.79421.9440
C22.52961.52352.52523.66622.86712.63722.93121.08791.09132.14791.09013.6705
C31.46871.52351.53872.41602.42722.06402.06912.16252.15921.09492.15382.2948
C42.44912.52521.53871.34581.21472.88203.30902.73422.80682.10373.46981.8767
O52.60383.66622.41601.34582.25243.02453.48924.04503.81442.88904.50870.9770
O63.58322.86712.42721.21472.25243.91564.40812.62263.08742.84723.90903.0099
H71.01632.63722.06402.88203.02453.91561.63683.66182.51242.91422.89452.4238
H81.01362.93122.06913.30903.48924.40811.63683.87053.36332.26842.82052.7554
H93.45531.08792.16252.73424.04502.62263.66183.87051.76392.48961.77614.2691
H102.80391.09132.15922.80683.81443.08742.51243.36331.76393.05681.77193.8420
H112.06942.14791.09492.10372.88902.84722.91422.26842.48963.05682.48102.7590
H122.79421.09012.15383.46984.50873.90902.89452.82051.77611.77192.48104.3344
H131.94403.67052.29481.87670.97703.00992.42382.75544.26913.84202.75904.3344

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.420 N1 C3 C4 109.030
N1 C3 H11 106.748 C2 C3 C4 111.101
C2 C3 H11 109.140 C3 N1 H7 111.006
C3 N1 H8 111.610 C3 C2 H9 110.698
C3 C2 H10 110.236 C3 C2 H12 109.874
C3 C4 O5 113.605 C3 C4 O6 123.225
C4 C3 H11 104.780 C4 O5 H13 106.717
O5 C4 O6 123.122 H7 N1 H8 107.484
H9 C2 H10 108.082 H9 C2 H12 109.263
H10 C2 H12 108.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability