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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-323.654472
Energy at 298.15K-323.663887
HF Energy-323.654472
Nuclear repulsion energy248.948089
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 B97D3/6-311G**
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 3527 3477 3.61      
2 A 3437 3387 0.42      
3 A 3311 3263 285.97      
4 A 3086 3041 11.17      
5 A 3050 3007 37.34      
6 A 2988 2945 24.17      
7 A 2981 2938 12.59      
8 A 1804 1778 278.35      
9 A 1634 1611 31.64      
10 A 1474 1453 11.05      
11 A 1463 1442 4.44      
12 A 1414 1394 356.90      
13 A 1378 1358 8.33      
14 A 1362 1343 6.35      
15 A 1285 1267 4.02      
16 A 1203 1186 5.56      
17 A 1177 1160 28.31      
18 A 1116 1100 11.14      
19 A 1062 1047 51.14      
20 A 998 984 1.59      
21 A 926 913 61.56      
22 A 897 884 55.76      
23 A 844 832 86.97      
24 A 779 768 6.83      
25 A 718 708 6.91      
26 A 552 545 4.07      
27 A 517 509 0.78      
28 A 403 397 4.95      
29 A 356 351 14.03      
30 A 304 299 15.00      
31 A 273 269 13.12      
32 A 224 221 0.33      
33 A 69 68 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 23305.2 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 22971.9 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 B97D3/6-311G**
ABC
0.16067 0.11417 0.07126

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.086 1.346 -0.022
C2 1.463 -1.164 -0.212
C3 0.647 -0.011 0.378
C4 -0.864 -0.162 0.055
O5 -1.478 1.017 -0.169
O6 -1.436 -1.226 0.038
H7 1.453 1.329 -0.972
H8 1.831 1.685 0.581
H9 1.036 -2.123 0.094
H10 1.444 -1.125 -1.309
H11 0.702 -0.054 1.475
H12 2.507 -1.110 0.122
H13 -0.741 1.678 -0.117

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.54541.48142.46632.58923.60301.01891.01603.47172.80892.08542.84111.8590
C22.54541.53052.54773.66222.91102.60652.98021.09371.09822.15791.09663.5977
C31.48141.53051.55242.42332.43542.06582.07862.16622.17241.09982.17492.2413
C42.46632.54771.55241.34841.20832.94043.30912.73102.84832.11713.50181.8522
O52.58923.66222.42331.34842.25343.05513.45764.03163.79822.93334.52630.9914
O63.60302.91102.43541.20832.25343.98714.40952.63083.18132.83053.94532.9903
H71.01892.60652.06582.94043.05513.98711.63723.63722.47682.90972.87352.3802
H81.01602.98022.07863.30913.45764.40951.63723.92093.40832.25832.91232.6642
H93.47171.09372.16622.73104.03162.63083.63723.92091.76992.50991.78574.2014
H102.80891.09822.17242.84833.79823.18132.47683.40831.76993.07371.78263.7482
H112.08542.15791.09982.11712.93332.83052.90972.25832.50993.07372.49022.7598
H122.84111.09662.17493.50184.52633.94532.87352.91231.78571.78262.49024.2865
H131.85903.59772.24131.85220.99142.99032.38022.66424.20143.74822.75984.2865

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.853 N1 C3 C4 108.733
N1 C3 H11 106.072 C2 C3 C4 111.815
C2 C3 H11 109.097 C3 N1 H7 110.186
C3 N1 H8 111.279 C3 C2 H9 110.375
C3 C2 H10 110.335 C3 C2 H12 110.712
C3 C4 O5 113.203 C3 C4 O6 123.598
C4 C3 H11 104.516 C4 O5 H13 103.431
O5 C4 O6 123.036 H7 N1 H8 106.947
H9 C2 H10 107.637 H9 C2 H12 109.175
H10 C2 H12 108.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.495      
2 C -0.275      
3 C -0.175      
4 C 0.372      
5 O -0.289      
6 O -0.326      
7 H 0.216      
8 H 0.221      
9 H 0.141      
10 H 0.108      
11 H 0.156      
12 H 0.104      
13 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.819 2.050 0.307 5.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.982 -0.001 -0.290
y -0.001 -37.506 -0.031
z -0.290 -0.031 -33.593
Traceless
 xyz
x -3.433 -0.001 -0.290
y -0.001 -1.218 -0.031
z -0.290 -0.031 4.651
Polar
3z2-r29.302
x2-y2-1.476
xy-0.001
xz-0.290
yz-0.031


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.650 0.156 0.088
y 0.156 8.053 -0.067
z 0.088 -0.067 5.683


<r2> (average value of r2) Å2
<r2> 163.241
(<r2>)1/2 12.777