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

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-323.874554
Energy at 298.15K-323.884016
HF Energy-323.874554
Nuclear repulsion energy249.715498
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/TZVP
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 3593 3468 9.33      
2 A 3506 3385 0.50      
3 A 3445 3326 282.85      
4 A 3134 3025 6.44      
5 A 3099 2991 27.14      
6 A 3046 2940 14.88      
7 A 3035 2930 10.92      
8 A 1838 1775 316.76      
9 A 1664 1606 38.08      
10 A 1504 1452 11.39      
11 A 1495 1444 3.41      
12 A 1417 1368 154.11      
13 A 1414 1365 237.15      
14 A 1393 1345 8.45      
15 A 1315 1270 7.89      
16 A 1234 1191 8.59      
17 A 1208 1166 24.25      
18 A 1145 1105 12.98      
19 A 1077 1040 46.24      
20 A 1022 986 0.82      
21 A 938 906 42.18      
22 A 886 856 79.07      
23 A 847 818 115.10      
24 A 802 774 6.57      
25 A 738 712 9.36      
26 A 567 547 4.51      
27 A 530 512 1.21      
28 A 408 394 4.48      
29 A 357 345 12.43      
30 A 286 276 13.77      
31 A 277 267 14.29      
32 A 233 225 0.29      
33 A 61 59 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 23756.1 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 22934.2 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/TZVP
ABC
0.16224 0.11405 0.07179

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.062 1.361 -0.042
C2 1.486 -1.140 -0.187
C3 0.646 0.011 0.369
C4 -0.855 -0.176 0.057
O5 -1.509 0.975 -0.133
O6 -1.394 -1.247 0.007
H7 1.338 1.381 -1.018
H8 1.843 1.703 0.504
H9 1.109 -2.100 0.162
H10 1.453 -1.147 -1.279
H11 0.698 -0.011 1.463
H12 2.527 -1.032 0.126
H13 -0.842 1.687 -0.100

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.54081.47212.45952.60193.58371.01491.01213.46712.82392.06892.81081.9330
C22.54081.52932.54333.66712.88912.65902.94751.08871.09282.14901.09173.6631
C31.47211.52931.54402.41382.42412.06992.07762.17032.17011.09502.16412.2901
C42.45952.54331.54401.33791.20052.89673.31802.75112.83822.10063.48871.8697
O52.60193.66712.41381.33792.22993.00883.48884.04943.81992.89634.51470.9759
O63.58372.88912.42411.20052.22993.92764.40832.64943.12602.83293.92862.9877
H71.01492.65902.06992.89673.00883.92761.63643.68302.54452.91662.92412.3849
H81.01212.94752.07763.31803.48884.40831.63643.88803.38482.27362.84492.7522
H93.46711.08872.17032.75114.04942.64943.68303.88801.76172.49471.77444.2678
H102.82391.09282.17012.83823.81993.12602.54453.38481.76173.06281.77223.8326
H112.06892.14901.09502.10062.89632.83292.91662.27362.49473.06282.48492.7743
H122.81081.09172.16413.48874.51473.92862.92412.84491.77441.77222.48494.3350
H131.93303.66312.29011.86970.97592.98772.38492.75224.26783.83262.77434.3350

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.658 N1 C3 C4 109.241
N1 C3 H11 106.477 C2 C3 C4 111.692
C2 C3 H11 108.817 C3 N1 H7 111.340
C3 N1 H8 112.184 C3 C2 H9 110.866
C3 C2 H10 110.605 C3 C2 H12 110.195
C3 C4 O5 113.577 C3 C4 O6 123.590
C4 C3 H11 104.201 C4 O5 H13 106.772
O5 C4 O6 122.826 H7 N1 H8 107.663
H9 C2 H10 107.722 H9 C2 H12 108.938
H10 C2 H12 108.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.515      
2 C -0.366      
3 C -0.099      
4 C 0.246      
5 O -0.256      
6 O -0.316      
7 H 0.224      
8 H 0.230      
9 H 0.159      
10 H 0.114      
11 H 0.163      
12 H 0.122      
13 H 0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.189 2.089 0.365 5.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.245 -0.296 -0.211
y -0.296 -38.023 0.270
z -0.211 0.270 -34.050
Traceless
 xyz
x -4.208 -0.296 -0.211
y -0.296 -0.875 0.270
z -0.211 0.270 5.084
Polar
3z2-r210.167
x2-y2-2.222
xy-0.296
xz-0.211
yz0.270


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.897 0.200 0.087
y 0.200 8.271 -0.104
z 0.087 -0.104 5.990


<r2> (average value of r2) Å2
<r2> 163.056
(<r2>)1/2 12.769