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

using model chemistry: B3LYPultrafine/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-323.885039
Energy at 298.15K-323.894437
HF Energy-323.885039
Nuclear repulsion energy249.863301
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/aug-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 3591 3474 11.65      
2 A 3508 3394 1.17      
3 A 3465 3352 269.15      
4 A 3127 3025 6.13      
5 A 3091 2991 25.38      
6 A 3040 2941 14.84      
7 A 3029 2930 10.34      
8 A 1829 1770 330.41      
9 A 1657 1604 29.93      
10 A 1501 1453 9.48      
11 A 1492 1443 3.13      
12 A 1411 1366 84.48      
13 A 1404 1359 300.94      
14 A 1389 1344 10.49      
15 A 1312 1269 8.76      
16 A 1233 1193 10.80      
17 A 1208 1168 23.13      
18 A 1142 1105 12.33      
19 A 1072 1037 40.67      
20 A 1019 986 0.63      
21 A 936 906 36.09      
22 A 870 842 65.80      
23 A 840 813 102.99      
24 A 801 775 6.01      
25 A 736 713 8.79      
26 A 570 551 3.61      
27 A 528 510 1.46      
28 A 406 393 3.71      
29 A 350 339 10.84      
30 A 275 266 12.56      
31 A 263 255 16.00      
32 A 227 220 0.45      
33 A 53 51 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 23687.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 22917.5 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/aug-cc-pVTZ
ABC
0.16269 0.11375 0.07199

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.080 1.353 -0.030
C2 1.473 -1.148 -0.196
C3 0.645 0.006 0.369
C4 -0.856 -0.169 0.059
O5 -1.504 0.983 -0.142
O6 -1.404 -1.235 0.018
H7 1.355 1.378 -1.006
H8 1.868 1.674 0.516
H9 1.085 -2.105 0.145
H10 1.441 -1.145 -1.287
H11 0.699 -0.025 1.461
H12 2.513 -1.054 0.118
H13 -0.836 1.692 -0.123

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53711.47112.46452.61313.58811.01341.01093.46272.81912.06602.80521.9482
C22.53711.52802.53913.66172.88612.65512.93721.08741.09142.14601.09033.6605
C31.47111.52801.54292.41602.42152.06782.07382.16792.16731.09372.16172.2975
C42.46452.53911.54291.33721.19982.90083.32062.74332.83502.09863.48351.8695
O52.61313.66172.41601.33722.22683.01283.50454.04073.80932.90504.51150.9738
O63.58812.88612.42151.19982.22683.93574.40692.64013.13092.82313.92212.9850
H71.01342.65512.06782.90083.01283.93571.63253.67812.53972.91242.91882.3828
H81.01092.93722.07383.32063.50454.40691.63253.87733.37322.26882.83162.7786
H93.46271.08742.16792.74334.04072.64013.67813.87731.76032.49171.77244.2637
H102.81911.09142.16732.83503.80933.13092.53973.37321.76033.05841.77003.8186
H112.06602.14601.09372.09862.90502.82312.91242.26882.49173.05842.48002.7949
H122.80521.09032.16173.48354.51153.92212.91882.83161.77241.77002.48004.3372
H131.94823.66052.29751.86950.97382.98502.38282.77864.26373.81862.79494.3372

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.537 N1 C3 C4 109.684
N1 C3 H11 106.391 C2 C3 C4 111.547
C2 C3 H11 108.744 C3 N1 H7 111.334
C3 N1 H8 112.008 C3 C2 H9 110.846
C3 C2 H10 110.559 C3 C2 H12 110.178
C3 C4 O5 113.848 C3 C4 O6 123.499
C4 C3 H11 104.186 C4 O5 H13 106.931
O5 C4 O6 122.645 H7 N1 H8 107.500
H9 C2 H10 107.782 H9 C2 H12 108.959
H10 C2 H12 108.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.405      
2 C -0.670      
3 C 0.544      
4 C 0.512      
5 O -0.432      
6 O -0.653      
7 H 0.045      
8 H 0.018      
9 H 0.209      
10 H 0.218      
11 H 0.232      
12 H 0.182      
13 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.016 1.986 0.338 5.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.164 -0.459 -0.101
y -0.459 -38.085 0.388
z -0.101 0.388 -34.191
Traceless
 xyz
x -4.025 -0.459 -0.101
y -0.459 -0.908 0.388
z -0.101 0.388 4.934
Polar
3z2-r29.868
x2-y2-2.078
xy-0.459
xz-0.101
yz0.388


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.822 0.164 0.059
y 0.164 9.030 -0.100
z 0.059 -0.100 6.630


<r2> (average value of r2) Å2
<r2> 162.917
(<r2>)1/2 12.764