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

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-323.657151
Energy at 298.15K-323.666516
Nuclear repulsion energy247.074297
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 BLYP/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 3422 3427 1.83      
2 A 3341 3346 0.92      
3 A 3182 3187 286.51      
4 A 3054 3058 7.21      
5 A 3020 3024 30.20      
6 A 2954 2959 27.20      
7 A 2948 2952 6.04      
8 A 1778 1780 251.50      
9 A 1593 1595 20.10      
10 A 1430 1432 13.36      
11 A 1420 1422 6.50      
12 A 1407 1409 328.39      
13 A 1347 1350 8.63      
14 A 1336 1338 5.03      
15 A 1267 1269 5.04      
16 A 1180 1182 8.53      
17 A 1162 1164 20.79      
18 A 1098 1099 6.98      
19 A 1053 1055 50.69      
20 A 983 984 1.85      
21 A 918 920 60.61      
22 A 885 887 46.67      
23 A 839 840 64.77      
24 A 767 768 6.29      
25 A 703 705 4.94      
26 A 542 543 3.24      
27 A 509 509 0.26      
28 A 397 398 4.76      
29 A 357 357 18.77      
30 A 302 302 13.68      
31 A 267 268 11.94      
32 A 219 219 0.30      
33 A 82 83 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 22879.3 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 22916.0 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 BLYP/cc-pVDZ
ABC
0.15796 0.11306 0.07019

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.063 1.375 -0.040
C2 1.493 -1.157 -0.193
C3 0.654 0.001 0.377
C4 -0.864 -0.175 0.054
O5 -1.506 1.007 -0.142
O6 -1.424 -1.257 0.014
H7 1.398 1.353 -1.017
H8 1.863 1.703 0.520
H9 1.059 -2.126 0.120
H10 1.491 -1.134 -1.303
H11 0.713 -0.021 1.488
H12 2.543 -1.099 0.158
H13 -0.762 1.681 -0.087

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.57241.49322.47452.59763.62191.03271.02973.50422.84152.09922.88971.8510
C22.57241.53902.56493.69832.92582.64312.97031.10641.11082.17301.10863.6258
C31.49321.53901.56172.43892.45632.07942.09272.18022.19401.11252.19692.2456
C42.47452.56491.56171.35911.21982.93133.34342.74052.88242.13693.53141.8639
O52.59763.69832.43891.35912.27133.05223.50344.05783.86232.93914.57391.0058
O63.62192.92582.45631.21982.27133.97954.45252.63323.20152.87533.97263.0139
H71.03272.64312.07942.93133.05223.97951.64303.67502.50502.93782.95042.3736
H81.02972.97032.09273.34343.50344.45251.64303.93253.39262.28792.90622.6940
H93.50421.10642.18022.74054.05782.63323.67503.93251.78742.53391.80404.2251
H102.84151.11082.19402.88243.86233.20152.50503.39261.78743.10401.80073.8052
H112.09922.17301.11252.13692.93912.87532.93782.28792.53393.10402.50582.7484
H122.88971.10862.19693.53144.57393.97262.95042.90621.80401.80072.50584.3255
H131.85103.62582.24561.86391.00583.01392.37362.69404.22513.80522.74844.3255

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 116.059 N1 C3 C4 108.175
N1 C3 H11 106.427 C2 C3 C4 111.616
C2 C3 H11 109.020 C3 N1 H7 109.470
C3 N1 H8 110.757 C3 C2 H9 109.923
C3 C2 H10 110.746 C3 C2 H12 111.104
C3 C4 O5 113.043 C3 C4 O6 123.566
C4 C3 H11 104.839 C4 O5 H13 103.002
O5 C4 O6 123.366 H7 N1 H8 105.615
H9 C2 H10 107.448 H9 C2 H12 109.070
H10 C2 H12 108.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.133      
2 C 0.064      
3 C -0.086      
4 C 0.131      
5 O -0.130      
6 O -0.201      
7 H 0.079      
8 H 0.080      
9 H 0.031      
10 H 0.010      
11 H 0.030      
12 H -0.004      
13 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.575 2.108 0.235 5.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.635 0.056 -0.394
y 0.056 -37.240 -0.241
z -0.394 -0.241 -33.790
Traceless
 xyz
x -3.120 0.056 -0.394
y 0.056 -1.028 -0.241
z -0.394 -0.241 4.148
Polar
3z2-r28.296
x2-y2-1.394
xy0.056
xz-0.394
yz-0.241


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.565 0.173 0.110
y 0.173 7.925 -0.072
z 0.110 -0.072 5.514


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