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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-322.001244
Energy at 298.15K-322.010965
HF Energy-322.001244
Nuclear repulsion energy252.123621
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 HF/daug-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 4019 3636 198.35      
2 A 3815 3451 13.58      
3 A 3729 3373 5.60      
4 A 3269 2957 13.23      
5 A 3220 2913 41.97      
6 A 3178 2875 14.71      
7 A 3163 2861 20.10      
8 A 2009 1817 399.88      
9 A 1797 1625 36.60      
10 A 1617 1463 13.05      
11 A 1607 1453 2.46      
12 A 1541 1394 64.55      
13 A 1533 1386 176.59      
14 A 1506 1362 193.94      
15 A 1440 1303 79.52      
16 A 1334 1207 14.08      
17 A 1319 1193 3.70      
18 A 1248 1129 15.13      
19 A 1177 1065 56.28      
20 A 1098 993 0.83      
21 A 1011 914 34.30      
22 A 943 853 105.60      
23 A 880 796 5.27      
24 A 811 733 9.45      
25 A 786 711 119.55      
26 A 600 543 10.16      
27 A 570 516 2.14      
28 A 439 398 6.39      
29 A 378 342 9.69      
30 A 300 271 17.61      
31 A 285 258 14.38      
32 A 247 223 1.10      
33 A 61 55 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 25462.8 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 23033.6 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 HF/daug-cc-pVTZ
ABC
0.16682 0.11535 0.07255

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.073 1.353 -0.047
C2 1.477 -1.122 -0.184
C3 0.638 0.025 0.366
C4 -0.848 -0.172 0.049
O5 -1.534 0.939 -0.134
O6 -1.357 -1.235 0.012
H7 1.389 1.360 -0.994
H8 1.817 1.691 0.523
H9 1.103 -2.073 0.164
H10 1.452 -1.129 -1.268
H11 0.680 0.000 1.450
H12 2.507 -1.010 0.133
H13 -0.939 1.676 -0.100

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.51191.45742.45422.64143.55050.99880.99623.43252.79232.05582.77042.0379
C22.51191.52372.52273.64952.84292.61202.92081.07931.08472.13661.08333.6976
C31.45741.52371.53222.40942.38592.04832.04722.15782.15971.08512.14892.3301
C42.45422.52271.53221.31811.17962.90463.28552.72632.81812.07993.45921.8556
O52.64143.64952.40941.31812.18603.07643.49674.01393.80552.87954.49470.9484
O63.55052.84292.38591.17962.18603.90964.34692.60263.08882.78213.87222.9430
H70.99882.61202.04832.90463.07643.90961.61103.63362.50432.88552.85242.5136
H80.99622.92082.04723.28553.49674.34691.61103.84803.36102.23882.81562.8248
H93.43251.07932.15782.72634.01392.60263.63363.84801.75042.47581.76134.2765
H102.79231.08472.15972.81813.80553.08882.50433.36101.75043.04311.75813.8662
H112.05582.13661.08512.07992.87952.78212.88552.23882.47583.04312.46872.7981
H122.77041.08332.14893.45924.49473.87222.85242.81561.76131.75812.46874.3751
H132.03793.69762.33011.85560.94842.94302.51362.82484.27653.86622.79814.3751

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 114.813 N1 C3 C4 110.329
N1 C3 H11 106.998 C2 C3 C4 111.280
C2 C3 H11 108.808 C3 N1 H7 111.645
C3 N1 H8 111.717 C3 C2 H9 110.832
C3 C2 H10 110.659 C3 C2 H12 109.881
C3 C4 O5 115.207 C3 C4 O6 122.707
C4 C3 H11 103.938 C4 O5 H13 108.822
O5 C4 O6 122.043 H7 N1 H8 107.709
H9 C2 H10 107.973 H9 C2 H12 109.058
H10 C2 H12 108.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.315      
2 C -1.113      
3 C 0.635      
4 C 1.347      
5 O -0.942      
6 O -1.295      
7 H -0.009      
8 H 0.049      
9 H 0.119      
10 H 0.465      
11 H 0.486      
12 H 0.528      
13 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.795 2.430 0.315 5.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.790 -1.183 -0.293
y -1.183 -38.137 -0.227
z -0.293 -0.227 -33.661
Traceless
 xyz
x -3.891 -1.183 -0.293
y -1.183 -1.411 -0.227
z -0.293 -0.227 5.302
Polar
3z2-r210.604
x2-y2-1.653
xy-1.183
xz-0.293
yz-0.227


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.644 0.165 0.029
y 0.165 8.042 -0.014
z 0.029 -0.014 6.058


<r2> (average value of r2) Å2
<r2> 161.006
(<r2>)1/2 12.689