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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-323.770137
Energy at 298.15K-323.779640
HF Energy-323.770137
Nuclear repulsion energy250.749027
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 wB97X-D/TZVP
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 3652 3488 11.55      
2 A 3564 3404 44.58      
3 A 3548 3388 247.61      
4 A 3172 3030 5.57      
5 A 3134 2993 25.10      
6 A 3080 2942 9.95      
7 A 3060 2922 15.26      
8 A 1883 1799 337.48      
9 A 1675 1600 43.46      
10 A 1503 1436 18.61      
11 A 1493 1426 2.94      
12 A 1450 1384 405.18      
13 A 1419 1355 12.60      
14 A 1404 1341 4.42      
15 A 1320 1261 5.90      
16 A 1255 1198 17.80      
17 A 1238 1183 13.65      
18 A 1170 1117 11.23      
19 A 1097 1048 42.94      
20 A 1029 982 0.55      
21 A 949 906 29.34      
22 A 895 855 86.27      
23 A 860 821 127.08      
24 A 817 780 6.53      
25 A 751 718 9.52      
26 A 578 552 4.57      
27 A 540 516 1.35      
28 A 417 398 4.98      
29 A 369 352 13.16      
30 A 298 284 15.07      
31 A 280 267 12.57      
32 A 206 197 0.27      
33 A 58 56 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 24080.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 22997.0 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 wB97X-D/TZVP
ABC
0.16372 0.11497 0.07248

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.092 1.325 0.024
C2 1.431 -1.170 -0.252
C3 0.647 -0.029 0.382
C4 -0.859 -0.145 0.092
O5 -1.441 1.016 -0.207
O6 -1.449 -1.189 0.065
H7 1.388 1.360 -0.945
H8 1.877 1.618 0.588
H9 1.007 -2.129 0.041
H10 1.387 -1.105 -1.342
H11 0.720 -0.101 1.471
H12 2.477 -1.130 0.057
H13 -0.703 1.661 -0.234

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53231.46892.44342.56213.57431.01371.01073.45442.80252.06542.81891.8449
C22.53231.52232.53183.60912.89752.62382.94561.08851.09282.14811.09113.5452
C31.46891.52231.53792.40772.41652.05892.06592.15772.16231.09392.16032.2490
C42.44342.53181.53791.33261.19922.89643.29272.72352.83162.09653.47811.8417
O52.56213.60912.40771.33262.22112.94383.46503.99263.71242.95474.47480.9801
O63.57432.89752.41651.19922.22113.94554.38372.63003.16692.80383.92632.9605
H71.01372.62382.05892.89642.94383.94551.63013.64572.49702.90182.89742.2293
H81.01072.94562.06593.29273.46504.38371.63013.88533.37332.25292.86292.7091
H93.45441.08852.15772.72353.99262.63003.64573.88531.76162.49761.77674.1668
H102.80251.09282.16232.83163.71243.16692.49703.37331.76163.05981.77333.6395
H112.06542.14811.09392.09652.95472.80382.90182.25292.49763.05982.47902.8350
H122.81891.09112.16033.47814.47483.92632.89742.86291.77671.77332.47904.2415
H131.84493.54522.24901.84170.98012.96052.22932.70914.16683.63952.83504.2415

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.669 N1 C3 C4 108.688
N1 C3 H11 106.480 C2 C3 C4 111.647
C2 C3 H11 109.289 C3 N1 H7 110.725
C3 N1 H8 111.520 C3 C2 H9 110.368
C3 C2 H10 110.476 C3 C2 H12 110.418
C3 C4 O5 113.832 C3 C4 O6 123.511
C4 C3 H11 104.343 C4 O5 H13 104.532
O5 C4 O6 122.548 H7 N1 H8 107.264
H9 C2 H10 107.728 H9 C2 H12 109.202
H10 C2 H12 108.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.537      
2 C -0.391      
3 C -0.099      
4 C 0.247      
5 O -0.259      
6 O -0.330      
7 H 0.235      
8 H 0.241      
9 H 0.166      
10 H 0.122      
11 H 0.171      
12 H 0.129      
13 H 0.303      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.223 2.112 0.367 5.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.732 -0.324 -0.194
y -0.324 -37.588 0.302
z -0.194 0.302 -33.628
Traceless
 xyz
x -4.124 -0.324 -0.194
y -0.324 -0.908 0.302
z -0.194 0.302 5.033
Polar
3z2-r210.065
x2-y2-2.144
xy-0.324
xz-0.194
yz0.302


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.694 0.216 0.083
y 0.216 8.062 -0.102
z 0.083 -0.102 5.928


<r2> (average value of r2) Å2
<r2> 161.534
(<r2>)1/2 12.710