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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-323.682793
Energy at 298.15K-323.692156
HF Energy-323.682793
Nuclear repulsion energy248.948940
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/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 3538 3487 5.82      
2 A 3444 3395 0.09      
3 A 3272 3225 305.86      
4 A 3089 3044 8.41      
5 A 3055 3011 31.38      
6 A 2998 2954 16.36      
7 A 2985 2942 15.05      
8 A 1791 1765 301.68      
9 A 1635 1611 33.07      
10 A 1476 1455 10.86      
11 A 1466 1445 2.96      
12 A 1399 1379 341.02      
13 A 1385 1365 4.31      
14 A 1363 1343 12.04      
15 A 1283 1264 4.02      
16 A 1207 1190 5.86      
17 A 1170 1153 30.90      
18 A 1113 1097 13.40      
19 A 1053 1037 47.55      
20 A 1001 986 1.34      
21 A 925 912 58.96      
22 A 901 888 63.66      
23 A 833 821 96.49      
24 A 777 766 5.08      
25 A 717 707 7.37      
26 A 557 549 3.72      
27 A 515 507 0.91      
28 A 403 397 4.66      
29 A 349 344 13.00      
30 A 287 283 14.29      
31 A 274 270 14.79      
32 A 227 223 0.45      
33 A 55 55 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 23270.2 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 22935.1 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/TZVP
ABC
0.16111 0.11353 0.07144

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.116 1.322 0.009
C2 1.438 -1.182 -0.243
C3 0.647 -0.032 0.380
C4 -0.867 -0.148 0.057
O5 -1.450 1.039 -0.209
O6 -1.472 -1.194 0.075
H7 1.539 1.312 -0.916
H8 1.813 1.669 0.660
H9 1.002 -2.142 0.043
H10 1.412 -1.115 -1.338
H11 0.702 -0.107 1.474
H12 2.483 -1.150 0.085
H13 -0.698 1.687 -0.161

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53671.47982.46902.59073.60981.01751.01463.46612.80002.08812.82561.8581
C22.53671.52882.54423.64332.92692.58533.01391.09281.09712.15531.09543.5776
C31.47981.52881.55222.42682.43542.06962.08142.16692.17051.09822.17042.2483
C42.46902.54421.55221.34911.20852.97843.29392.73362.84212.11463.49691.8560
O52.59073.64332.42681.34912.25173.08353.43504.02483.75582.96304.51070.9940
O63.60982.92692.43541.20852.25174.04104.39682.64943.21222.80423.95472.9931
H71.01752.58532.06962.97843.08354.04101.63853.62522.46702.90362.82072.3903
H81.01463.01392.08143.29393.43504.39681.63853.94553.44992.24842.95442.6416
H93.46611.09282.16692.73364.02482.64943.62523.94551.76882.50631.78284.1949
H102.80001.09712.17052.84213.75583.21222.46703.44991.76883.07051.78063.6998
H112.08812.15531.09822.11462.96302.80422.90362.24842.50633.07052.48822.8026
H122.82561.09542.17043.49694.51073.95472.82072.95441.78281.78062.48824.2694
H131.85813.57762.24831.85600.99402.99312.39032.64164.19493.69982.80264.2694

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 114.934 N1 C3 C4 109.019
N1 C3 H11 107.262 C2 C3 C4 111.330
C2 C3 H11 109.160 C3 N1 H7 110.576
C3 N1 H8 111.755 C3 C2 H9 110.385
C3 C2 H10 110.412 C3 C2 H12 110.504
C3 C4 O5 113.348 C3 C4 O6 123.337
C4 C3 H11 104.546 C4 O5 H13 103.731
O5 C4 O6 123.291 H7 N1 H8 107.477
H9 C2 H10 107.746 H9 C2 H12 109.123
H10 C2 H12 108.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.496      
2 C -0.348      
3 C -0.084      
4 C 0.196      
5 O -0.228      
6 O -0.292      
7 H 0.221      
8 H 0.227      
9 H 0.151      
10 H 0.108      
11 H 0.149      
12 H 0.114      
13 H 0.282      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.142 1.978 0.346 5.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.779 -0.106 -0.202
y -0.106 -37.839 0.253
z -0.202 0.253 -33.889
Traceless
 xyz
x -3.915 -0.106 -0.202
y -0.106 -1.005 0.253
z -0.202 0.253 4.920
Polar
3z2-r29.839
x2-y2-1.940
xy-0.106
xz-0.202
yz0.253


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.229 0.187 0.103
y 0.187 8.533 -0.114
z 0.103 -0.114 6.112


<r2> (average value of r2) Å2
<r2> 163.533
(<r2>)1/2 12.788