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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-323.393523
Energy at 298.15K-323.402956
Nuclear repulsion energy248.569873
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3469 3449 4.93      
2 A 3381 3361 0.26      
3 A 3122 3104 357.57      
4 A 3083 3065 1.08      
5 A 3052 3034 22.71      
6 A 2973 2956 25.63      
7 A 2969 2952 2.24      
8 A 1808 1797 271.79      
9 A 1584 1575 27.24      
10 A 1431 1423 348.91      
11 A 1419 1411 13.03      
12 A 1410 1401 3.60      
13 A 1337 1330 18.76      
14 A 1325 1317 0.69      
15 A 1261 1254 2.82      
16 A 1199 1192 19.78      
17 A 1170 1163 8.72      
18 A 1118 1111 9.36      
19 A 1069 1062 38.02      
20 A 981 975 5.26      
21 A 938 932 57.99      
22 A 902 897 29.73      
23 A 855 850 79.72      
24 A 780 775 5.54      
25 A 712 708 3.91      
26 A 555 551 2.45      
27 A 514 511 0.31      
28 A 398 395 5.99      
29 A 364 362 20.78      
30 A 310 308 13.76      
31 A 267 265 11.60      
32 A 222 221 0.33      
33 A 86 85 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 23029.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 22895.5 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 PBEPBE/cc-pVDZ
ABC
0.15942 0.11492 0.07125

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.068 1.353 -0.030
C2 1.465 -1.166 -0.200
C3 0.649 -0.008 0.375
C4 -0.862 -0.162 0.053
O5 -1.471 1.023 -0.155
O6 -1.437 -1.235 0.025
H7 1.428 1.327 -0.997
H8 1.847 1.689 0.550
H9 0.998 -2.128 0.086
H10 1.478 -1.122 -1.310
H11 0.703 -0.043 1.487
H12 2.511 -1.145 0.164
H13 -0.695 1.668 -0.100

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.55551.48092.45482.56313.60211.03151.02823.48332.81602.09332.89161.7925
C22.55551.52832.54673.66202.91072.61742.97631.10651.11072.16491.10813.5648
C31.48091.52831.55302.41672.44522.06712.08482.16722.18331.11302.19132.2013
C42.45482.54671.55301.34821.21802.92653.31852.70682.87312.12593.51501.8441
O52.56313.66202.41671.34822.26583.03423.45704.01023.82492.92524.54501.0104
O63.60212.91072.44521.21802.26583.97724.42842.59403.20772.85263.95082.9995
H71.03152.61742.06712.92653.03423.97721.64263.64592.46942.92712.93832.3301
H81.02822.97632.08483.31853.45704.42841.64263.93723.39052.27682.93622.6246
H93.48331.10652.16722.70684.01022.59403.64593.93721.78622.52911.80514.1608
H102.81601.11072.18332.87313.82493.20772.46943.39051.78623.09601.80053.7377
H112.09332.16491.11302.12592.92522.85262.92712.27682.52913.09602.49612.7206
H122.89161.10812.19133.51504.54503.95082.93832.93621.80511.80052.49614.2738
H131.79253.56482.20131.84411.01042.99952.33012.62464.16083.73772.72064.2738

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 116.245 N1 C3 C4 107.998
N1 C3 H11 106.747 C2 C3 C4 111.478
C2 C3 H11 109.080 C3 N1 H7 109.418
C3 N1 H8 111.091 C3 C2 H9 109.639
C3 C2 H10 110.650 C3 C2 H12 111.443
C3 C4 O5 112.625 C3 C4 O6 123.429
C4 C3 H11 104.559 C4 O5 H13 101.905
O5 C4 O6 123.923 H7 N1 H8 105.781
H9 C2 H10 107.336 H9 C2 H12 109.188
H10 C2 H12 108.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.164      
2 C -0.007      
3 C -0.146      
4 C 0.156      
5 O -0.140      
6 O -0.214      
7 H 0.096      
8 H 0.098      
9 H 0.058      
10 H 0.036      
11 H 0.063      
12 H 0.025      
13 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.724 2.101 0.247 5.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.375 0.254 -0.352
y 0.254 -36.988 -0.127
z -0.352 -0.127 -33.598
Traceless
 xyz
x -3.082 0.254 -0.352
y 0.254 -1.001 -0.127
z -0.352 -0.127 4.084
Polar
3z2-r28.167
x2-y2-1.387
xy0.254
xz-0.352
yz-0.127


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.502 0.178 0.100
y 0.178 7.839 -0.073
z 0.100 -0.073 5.486


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000