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

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-323.800910
Energy at 298.15K-323.810291
Nuclear repulsion energy249.129121
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 B3LYP/aug-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 3588 3482 10.53      
2 A 3499 3395 0.60      
3 A 3445 3343 280.33      
4 A 3141 3048 6.78      
5 A 3105 3014 26.46      
6 A 3051 2961 11.83      
7 A 3035 2945 14.46      
8 A 1824 1770 322.45      
9 A 1643 1595 30.29      
10 A 1475 1431 13.11      
11 A 1467 1423 2.47      
12 A 1415 1373 377.24      
13 A 1390 1349 7.55      
14 A 1374 1334 5.93      
15 A 1300 1261 7.85      
16 A 1227 1191 15.69      
17 A 1206 1170 16.68      
18 A 1141 1107 10.65      
19 A 1075 1043 41.11      
20 A 1011 981 0.53      
21 A 932 904 33.51      
22 A 884 858 63.98      
23 A 846 821 102.39      
24 A 800 777 5.50      
25 A 731 709 8.23      
26 A 566 549 3.37      
27 A 527 511 1.71      
28 A 404 392 3.88      
29 A 347 336 10.48      
30 A 274 266 11.64      
31 A 265 257 18.06      
32 A 221 214 0.28      
33 A 55 53 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 23630.7 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 22931.2 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 B3LYP/aug-cc-pVDZ
ABC
0.16156 0.11347 0.07161

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.124 1.317 0.017
C2 1.431 -1.184 -0.251
C3 0.644 -0.032 0.378
C4 -0.863 -0.142 0.058
O5 -1.450 1.034 -0.220
O6 -1.471 -1.187 0.086
H7 1.582 1.315 -0.892
H8 1.793 1.676 0.690
H9 0.982 -2.146 0.021
H10 1.419 -1.105 -1.348
H11 0.700 -0.117 1.474
H12 2.475 -1.166 0.089
H13 -0.720 1.695 -0.190

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53481.47722.46612.60093.60691.01761.01523.46632.79582.08832.82791.8934
C22.53481.53052.53893.63662.92122.58483.03331.09571.10012.15631.09823.5946
C31.47721.53051.54502.42542.42722.07532.08242.17012.17501.10082.17252.2731
C42.46612.53891.54501.34371.20893.00093.28082.72412.84882.10953.49181.8596
O52.60093.63662.42541.34372.24213.11843.43004.01073.75242.97024.51040.9860
O63.60692.92122.42721.20892.24214.06634.38362.63403.22752.78983.94562.9912
H71.01762.58482.07533.00093.11844.06631.63713.62942.46762.90292.81352.4358
H81.01523.03332.08243.28083.43004.38361.63713.96433.46832.24152.98382.6630
H93.46631.09572.17012.72414.01072.63403.62943.96431.77512.51141.78744.2064
H102.79581.10012.17502.84883.75243.22752.46763.46831.77513.07541.78453.7087
H112.08832.15631.10082.10952.97022.78982.90292.24152.51143.07542.48342.8409
H122.82791.09822.17253.49184.51043.94562.81352.98381.78741.78452.48344.2975
H131.89343.59462.27311.85960.98602.99122.43582.66304.20643.70872.84094.2975

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 114.858 N1 C3 C4 109.352
N1 C3 H11 107.300 C2 C3 C4 111.282
C2 C3 H11 108.971 C3 N1 H7 111.245
C3 N1 H8 112.008 C3 C2 H9 110.354
C3 C2 H10 110.478 C3 C2 H12 110.394
C3 C4 O5 114.018 C3 C4 O6 123.155
C4 C3 H11 104.486 C4 O5 H13 104.877
O5 C4 O6 122.805 H7 N1 H8 107.281
H9 C2 H10 107.887 H9 C2 H12 109.123
H10 C2 H12 108.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.201      
2 C 1.101      
3 C 0.197      
4 C 0.715      
5 O -0.410      
6 O -0.541      
7 H -0.005      
8 H -0.016      
9 H -0.259      
10 H -0.221      
11 H -0.282      
12 H -0.255      
13 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.067 2.011 0.358 5.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.348 -0.433 -0.139
y -0.433 -38.270 0.354
z -0.139 0.354 -34.299
Traceless
 xyz
x -4.064 -0.433 -0.139
y -0.433 -0.946 0.354
z -0.139 0.354 5.011
Polar
3z2-r210.021
x2-y2-2.079
xy-0.433
xz-0.139
yz0.354


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.882 0.179 0.065
y 0.179 9.090 -0.094
z 0.065 -0.094 6.651


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