return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-322.756126
Energy at 298.15K 
Nuclear repulsion energy248.876338
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 CID/6-311G*
Rotational Constants (cm-1) from geometry optimized at CID/6-311G*
ABC
0.24416 0.08377 0.06673

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.929 0.562 0.133
C2 1.347 -0.681 -0.376
C3 0.020 -0.969 0.318
C4 -1.086 0.035 0.028
O5 -0.708 1.305 -0.036
O6 -2.220 -0.293 -0.109
H7 2.677 0.880 -0.455
H8 2.306 0.426 1.054
H9 2.011 -1.537 -0.254
H10 1.181 -0.555 -1.443
H11 -0.358 -1.945 0.035
H12 0.172 -0.988 1.398
H13 0.246 1.378 0.077

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.46382.45373.06252.74464.24271.00331.00452.13552.07143.39432.66271.8709
C21.46381.52472.56832.87833.59792.05252.04731.08981.08702.16152.15012.3785
C32.45371.52471.52152.41422.37863.32792.77722.14732.14881.08391.09102.3702
C43.06252.56831.52151.32751.18813.88703.56513.48422.76602.10912.12211.8927
O52.74462.87832.41421.32752.20143.43693.32293.93903.00123.26982.84410.9634
O64.24273.59792.37861.18812.20145.04724.72784.41223.66212.49352.91122.9846
H71.00332.05253.32793.88703.43695.04721.61912.51532.29674.17503.63322.5375
H81.00452.04732.77723.56513.32294.72781.61912.37722.90933.70882.58312.4701
H92.13551.08982.14733.48423.93904.41222.51532.37721.75142.42072.53203.4233
H102.07141.08702.14882.76603.00123.66212.29672.90931.75142.54603.04562.6307
H113.39432.16151.08392.10913.26982.49354.17503.70882.42072.54601.74743.3775
H122.66272.15011.09102.12212.84412.91123.63322.58312.53203.04561.74742.7107
H131.87092.37852.37021.89270.96342.98462.53752.47013.42332.63073.37752.7107

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 110.364 N1 C2 H9 112.677
N1 C2 H10 107.679 C2 N1 H7 111.228
C2 N1 H8 110.702 C2 C3 C4 114.942
C2 C3 H11 110.782 C2 C3 H12 109.452
C3 C2 H9 109.303 C3 C2 H10 109.587
C3 C4 O5 115.686 C3 C4 O6 122.292
C4 C3 H11 106.899 C4 C3 H12 107.492
C4 O5 H13 110.406 O5 C4 O6 122.010
H7 N1 H8 107.487 H9 C2 H10 107.135
H11 C3 H12 106.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability