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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-321.993754
Energy at 298.15K-322.003498
Nuclear repulsion energy252.216666
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 HF/6-311+G(3df,2p)
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 4045 3675 199.68      
2 A 3824 3475 13.87      
3 A 3738 3396 5.56      
4 A 3268 2969 13.05      
5 A 3218 2924 42.04      
6 A 3175 2885 14.87      
7 A 3161 2872 19.70      
8 A 2015 1831 400.20      
9 A 1794 1630 37.25      
10 A 1618 1470 13.44      
11 A 1607 1460 2.62      
12 A 1541 1400 81.48      
13 A 1533 1393 181.19      
14 A 1506 1369 180.13      
15 A 1439 1307 75.37      
16 A 1333 1211 13.74      
17 A 1319 1199 3.75      
18 A 1248 1134 15.16      
19 A 1176 1068 55.70      
20 A 1097 996 0.82      
21 A 1010 918 32.34      
22 A 941 855 108.95      
23 A 881 800 5.28      
24 A 812 738 8.97      
25 A 785 713 121.27      
26 A 602 547 10.39      
27 A 571 519 2.25      
28 A 440 400 6.40      
29 A 379 345 9.77      
30 A 301 274 17.12      
31 A 283 257 14.65      
32 A 249 226 1.19      
33 A 60 55 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 25484.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 23155.2 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 HF/6-311+G(3df,2p)
ABC
0.16693 0.11540 0.07263

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.075 1.352 -0.042
C2 1.474 -1.124 -0.188
C3 0.638 0.023 0.367
C4 -0.848 -0.170 0.049
O5 -1.532 0.939 -0.139
O6 -1.358 -1.232 0.018
H7 1.395 1.359 -0.989
H8 1.818 1.690 0.530
H9 1.097 -2.075 0.155
H10 1.449 -1.126 -1.273
H11 0.680 -0.006 1.451
H12 2.504 -1.016 0.129
H13 -0.938 1.677 -0.104

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.51161.45702.45442.64113.54940.99920.99653.43252.79142.05642.77102.0399
C22.51161.52432.52193.64592.84142.61032.92411.07941.08492.13771.08353.6966
C31.45701.52431.53242.40902.38372.04862.04792.15852.16071.08552.14962.3320
C42.45442.52191.53241.31631.17822.90683.28572.72492.81802.08083.45891.8550
O52.64113.64592.40901.31632.18363.07623.49684.01023.79932.88374.49280.9475
O63.54942.84142.38371.17822.18363.91224.34522.59923.09132.77743.86992.9411
H70.99922.61032.04862.90683.07623.91221.61133.63232.50202.88612.85042.5147
H80.99652.92412.04793.28573.49684.34521.61133.85153.36382.23942.82062.8272
H93.43251.07942.15852.72494.01022.59923.63233.85151.75072.47741.76164.2757
H102.79141.08492.16072.81803.79933.09132.50203.36381.75073.04451.75803.8620
H112.05642.13771.08552.08082.88372.77742.88612.23942.47743.04452.46952.8048
H122.77101.08352.14963.45894.49283.86992.85042.82061.76161.75802.46954.3764
H132.03993.69662.33201.85500.94752.94112.51472.82724.27573.86202.80484.3764

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 114.784 N1 C3 C4 110.352
N1 C3 H11 107.055 C2 C3 C4 111.189
C2 C3 H11 108.827 C3 N1 H7 111.673
C3 N1 H8 111.789 C3 C2 H9 110.839
C3 C2 H10 110.680 C3 C2 H12 109.882
C3 C4 O5 115.277 C3 C4 O6 122.601
C4 C3 H11 103.972 C4 O5 H13 108.963
O5 C4 O6 122.079 H7 N1 H8 107.681
H9 C2 H10 107.971 H9 C2 H12 109.063
H10 C2 H12 108.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -1.008      
2 C -0.215      
3 C 0.189      
4 C 1.466      
5 O -0.751      
6 O -0.927      
7 H 0.190      
8 H 0.180      
9 H 0.147      
10 H 0.142      
11 H 0.137      
12 H 0.123      
13 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.810 2.430 0.316 5.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.830 -1.189 -0.292
y -1.189 -38.153 -0.204
z -0.292 -0.204 -33.663
Traceless
 xyz
x -3.922 -1.189 -0.292
y -1.189 -1.406 -0.204
z -0.292 -0.204 5.328
Polar
3z2-r210.656
x2-y2-1.677
xy-1.189
xz-0.292
yz-0.204


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.560 0.170 0.031
y 0.170 7.956 -0.012
z 0.031 -0.012 5.968


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