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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-323.675287
Energy at 298.15K-323.684781
HF Energy-323.675287
Nuclear repulsion energy250.177230
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/cc-pVDZ
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 3671 3497 15.79      
2 A 3578 3409 62.91      
3 A 3564 3395 240.00      
4 A 3184 3033 5.66      
5 A 3145 2996 26.20      
6 A 3086 2940 9.90      
7 A 3066 2921 18.80      
8 A 1888 1799 350.84      
9 A 1676 1596 45.41      
10 A 1507 1436 19.85      
11 A 1495 1424 2.59      
12 A 1450 1381 426.11      
13 A 1422 1354 12.74      
14 A 1402 1336 6.33      
15 A 1320 1257 10.59      
16 A 1261 1201 19.88      
17 A 1240 1181 7.09      
18 A 1172 1117 11.32      
19 A 1099 1046 39.05      
20 A 1027 978 0.69      
21 A 950 905 26.03      
22 A 900 857 90.68      
23 A 861 820 132.14      
24 A 817 778 6.34      
25 A 746 710 9.20      
26 A 577 549 4.34      
27 A 538 512 1.84      
28 A 417 397 4.67      
29 A 365 348 11.79      
30 A 295 281 15.68      
31 A 280 267 13.50      
32 A 208 198 0.34      
33 A 58 55 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 24130.7 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 22986.9 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/cc-pVDZ
ABC
0.16278 0.11462 0.07226

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.099 1.322 0.042
C2 1.428 -1.176 -0.267
C3 0.649 -0.036 0.383
C4 -0.860 -0.140 0.092
O5 -1.433 1.024 -0.223
O6 -1.463 -1.185 0.082
H7 1.394 1.375 -0.930
H8 1.887 1.608 0.611
H9 1.000 -2.139 0.017
H10 1.383 -1.100 -1.359
H11 0.724 -0.122 1.474
H12 2.477 -1.145 0.041
H13 -0.696 1.671 -0.266

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53821.47082.44522.56383.58441.01661.01373.46212.81162.06802.82511.8546
C22.53821.52632.53713.61002.91172.63592.95561.09121.09532.15361.09383.5524
C31.47081.52631.54002.41392.42252.06632.07142.16322.16881.09692.16542.2681
C42.44522.53711.54001.33581.20602.90153.29782.73122.83812.10213.48531.8539
O52.56383.61002.41391.33582.23032.93523.47343.99813.70582.97454.47960.9821
O63.58442.91172.42251.20602.23033.96654.39382.64173.19012.80183.94022.9777
H71.01662.63592.06632.90152.93523.96651.63523.66022.51142.91002.90932.2127
H81.01372.95562.07143.29783.47344.39381.63523.89653.38672.25652.87262.7287
H93.46211.09122.16322.73123.99812.64173.66023.89651.76572.50361.78084.1802
H102.81161.09532.16882.83813.70583.19012.51143.38671.76573.06821.77743.6325
H112.06802.15361.09692.10212.97452.80182.91002.25652.50363.06822.48452.8737
H122.82511.09382.16543.48534.47963.94022.90932.87261.78081.77742.48454.2535
H131.85463.55242.26811.85390.98212.97772.21272.72874.18023.63252.87374.2535

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.736 N1 C3 C4 108.586
N1 C3 H11 106.389 C2 C3 C4 111.667
C2 C3 H11 109.273 C3 N1 H7 111.024
C3 N1 H8 111.642 C3 C2 H9 110.362
C3 C2 H10 110.565 C3 C2 H12 110.386
C3 C4 O5 113.961 C3 C4 O6 123.354
C4 C3 H11 104.467 C4 O5 H13 105.207
O5 C4 O6 122.585 H7 N1 H8 107.290
H9 C2 H10 107.712 H9 C2 H12 109.182
H10 C2 H12 108.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.735      
2 C -0.534      
3 C -0.036      
4 C 0.466      
5 O -0.453      
6 O -0.468      
7 H 0.319      
8 H 0.318      
9 H 0.203      
10 H 0.164      
11 H 0.190      
12 H 0.162      
13 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.343 2.108 0.383 5.756
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.104 -0.406 -0.184
y -0.406 -37.831 0.347
z -0.184 0.347 -33.841
Traceless
 xyz
x -4.267 -0.406 -0.184
y -0.406 -0.859 0.347
z -0.184 0.347 5.126
Polar
3z2-r210.252
x2-y2-2.272
xy-0.406
xz-0.184
yz0.347


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.951 0.259 0.081
y 0.259 8.309 -0.106
z 0.081 -0.106 6.030


<r2> (average value of r2) Å2
<r2> 162.224
(<r2>)1/2 12.737