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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-323.878760
Energy at 298.15K-323.888211
HF Energy-323.878760
Nuclear repulsion energy249.956295
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 B3LYPultrafine/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 3588 3468 8.11      
2 A 3504 3387 2.25      
3 A 3468 3353 256.11      
4 A 3128 3023 6.85      
5 A 3092 2989 27.52      
6 A 3037 2936 19.31      
7 A 3029 2928 7.55      
8 A 1842 1781 299.50      
9 A 1658 1603 30.41      
10 A 1502 1452 9.98      
11 A 1492 1442 3.38      
12 A 1419 1372 388.24      
13 A 1411 1364 13.32      
14 A 1392 1345 6.73      
15 A 1316 1272 8.76      
16 A 1233 1192 9.01      
17 A 1213 1172 18.63      
18 A 1144 1106 10.79      
19 A 1079 1043 44.47      
20 A 1020 986 0.66      
21 A 938 907 40.73      
22 A 878 849 65.38      
23 A 848 820 99.82      
24 A 803 776 7.49      
25 A 738 714 8.08      
26 A 567 548 3.88      
27 A 529 512 1.12      
28 A 408 394 4.20      
29 A 356 344 11.62      
30 A 279 270 10.70      
31 A 274 265 17.85      
32 A 228 221 0.29      
33 A 63 61 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 23735.6 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 22945.2 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 B3LYPultrafine/cc-pVTZ
ABC
0.16254 0.11433 0.07187

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.075 1.354 -0.032
C2 1.473 -1.148 -0.195
C3 0.644 0.006 0.369
C4 -0.856 -0.170 0.060
O5 -1.499 0.985 -0.141
O6 -1.403 -1.236 0.015
H7 1.348 1.373 -1.008
H8 1.866 1.673 0.510
H9 1.085 -2.105 0.146
H10 1.440 -1.145 -1.286
H11 0.699 -0.023 1.462
H12 2.513 -1.054 0.119
H13 -0.822 1.684 -0.118

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53811.47102.46122.60253.58481.01341.01103.46332.81942.06622.80861.9274
C22.53811.52802.53843.65792.88472.65202.93391.08751.09152.14601.09053.6457
C31.47101.52801.54182.41092.42082.06462.07192.16772.16731.09392.16272.2814
C42.46122.53841.54181.33661.19962.89453.31792.74232.83412.09873.48341.8628
O52.60253.65792.41091.33662.22853.00133.49614.03813.80572.90114.50760.9738
O63.58482.88472.42081.19962.22853.92744.40432.63883.12762.82553.92162.9808
H71.01342.65202.06462.89453.00133.92741.63173.67422.53552.91042.91892.3659
H81.01102.93392.07193.31793.49614.40431.63173.87493.36872.26842.82982.7606
H93.46331.08752.16772.74234.03812.63883.67423.87491.75992.49231.77294.2503
H102.81941.09152.16732.83413.80573.12762.53553.36871.75993.05841.77003.8060
H112.06622.14601.09392.09872.90112.82552.91042.26842.49233.05842.48072.7794
H122.80861.09052.16273.48344.50763.92162.91892.82981.77291.77002.48074.3216
H131.92743.64572.28141.86280.97382.98082.36592.76064.25033.80602.77944.3216

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.612 N1 C3 C4 109.529
N1 C3 H11 106.400 C2 C3 C4 111.557
C2 C3 H11 108.737 C3 N1 H7 111.069
C3 N1 H8 111.846 C3 C2 H9 110.828
C3 C2 H10 110.547 C3 C2 H12 110.248
C3 C4 O5 113.582 C3 C4 O6 123.542
C4 C3 H11 104.259 C4 O5 H13 106.405
O5 C4 O6 122.872 H7 N1 H8 107.417
H9 C2 H10 107.738 H9 C2 H12 108.982
H10 C2 H12 108.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.337      
2 C -0.280      
3 C -0.054      
4 C 0.294      
5 O -0.241      
6 O -0.300      
7 H 0.143      
8 H 0.148      
9 H 0.120      
10 H 0.090      
11 H 0.114      
12 H 0.092      
13 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.869 2.088 0.313 5.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.540 -0.338 -0.172
y -0.338 -37.674 0.150
z -0.172 0.150 -33.866
Traceless
 xyz
x -3.769 -0.338 -0.172
y -0.338 -0.971 0.150
z -0.172 0.150 4.741
Polar
3z2-r29.482
x2-y2-1.865
xy-0.338
xz-0.172
yz0.150


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.978 0.164 0.068
y 0.164 8.261 -0.079
z 0.068 -0.079 6.006


<r2> (average value of r2) Å2
<r2> 162.545
(<r2>)1/2 12.749