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

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-323.685887
Energy at 298.15K-323.695250
HF Energy-323.685887
Nuclear repulsion energy249.160859
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 B97D3/cc-pVTZ
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 3529 3480 4.83      
2 A 3438 3390 0.14      
3 A 3302 3256 278.77      
4 A 3085 3041 9.29      
5 A 3050 3007 32.01      
6 A 2992 2950 19.67      
7 A 2982 2941 12.88      
8 A 1795 1770 285.62      
9 A 1629 1606 26.10      
10 A 1472 1452 9.60      
11 A 1462 1442 2.92      
12 A 1404 1384 349.12      
13 A 1378 1359 4.82      
14 A 1360 1341 9.89      
15 A 1283 1265 4.25      
16 A 1205 1188 5.98      
17 A 1176 1160 28.44      
18 A 1112 1096 10.99      
19 A 1055 1041 45.56      
20 A 998 984 1.03      
21 A 925 912 53.28      
22 A 891 879 52.55      
23 A 835 823 85.46      
24 A 778 767 5.08      
25 A 718 708 6.63      
26 A 557 549 3.02      
27 A 514 507 0.78      
28 A 401 395 4.45      
29 A 350 345 12.77      
30 A 282 278 12.40      
31 A 273 269 16.18      
32 A 221 218 0.35      
33 A 61 60 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 23255.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 22930.2 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 B97D3/cc-pVTZ
ABC
0.16139 0.11377 0.07150

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.114 1.325 0.006
C2 1.439 -1.179 -0.237
C3 0.644 -0.028 0.378
C4 -0.866 -0.149 0.056
O5 -1.454 1.037 -0.202
O6 -1.465 -1.198 0.069
H7 1.521 1.311 -0.926
H8 1.835 1.653 0.639
H9 0.997 -2.138 0.042
H10 1.424 -1.110 -1.331
H11 0.700 -0.098 1.472
H12 2.480 -1.151 0.099
H13 -0.705 1.684 -0.155

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53641.47972.46912.59303.60811.01661.01403.46442.79482.08502.82891.8620
C22.53641.52812.54143.64402.91952.58492.99111.09171.09612.15301.09433.5781
C31.47971.52811.54902.42362.43162.06472.07612.16512.16821.09732.16982.2445
C42.46912.54141.54901.34831.20762.96553.29852.72492.84482.11153.49281.8523
O52.59303.64402.42361.34832.25043.07433.45014.01783.76392.95464.51130.9911
O63.60812.91952.43161.20762.25044.02454.39742.63523.21122.80423.94472.9885
H71.01662.58492.06472.96553.07434.02451.63293.62012.45672.90022.83422.3856
H81.01402.99112.07613.29853.45014.39741.63293.92763.41862.24672.92782.6615
H93.46441.09172.16512.72494.01782.63523.62013.92761.76762.50801.78164.1884
H102.79481.09612.16822.84483.76393.21122.45673.41861.76763.06681.77813.7049
H112.08502.15301.09732.11152.95462.80422.90022.24672.50803.06682.48212.7927
H122.82891.09432.16983.49284.51133.94472.83422.92781.78161.77812.48214.2719
H131.86203.57812.24451.85230.99112.98852.38562.66154.18843.70492.79274.2719

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.660 N1 C3 C4 109.097
N1 C3 H11 106.008 C2 C3 C4 111.817
C2 C3 H11 109.058 C3 N1 H7 110.227
C3 N1 H8 111.198 C3 C2 H9 110.509
C3 C2 H10 110.309 C3 C2 H12 110.615
C3 C4 O5 113.451 C3 C4 O6 123.662
C4 C3 H11 104.448 C4 O5 H13 103.536
O5 C4 O6 122.783 H7 N1 H8 106.790
H9 C2 H10 107.696 H9 C2 H12 109.138
H10 C2 H12 108.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.295      
2 C -0.243      
3 C -0.038      
4 C 0.266      
5 O -0.231      
6 O -0.288      
7 H 0.132      
8 H 0.135      
9 H 0.105      
10 H 0.077      
11 H 0.094      
12 H 0.079      
13 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.821 1.975 0.297 5.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.125 -0.170 -0.166
y -0.170 -37.511 0.132
z -0.166 0.132 -33.721
Traceless
 xyz
x -3.509 -0.170 -0.166
y -0.170 -1.088 0.132
z -0.166 0.132 4.597
Polar
3z2-r29.194
x2-y2-1.614
xy-0.170
xz-0.166
yz0.132


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.320 0.154 0.083
y 0.154 8.537 -0.088
z 0.083 -0.088 6.138


<r2> (average value of r2) Å2
<r2> 163.073
(<r2>)1/2 12.770