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

using model chemistry: BLYP/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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-323.696480
Energy at 298.15K-323.705661
Nuclear repulsion energy246.771317
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/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 3473 3466 7.17      
2 A 3386 3379 0.23      
3 A 3221 3215 294.77      
4 A 3060 3054 7.29      
5 A 3027 3022 27.80      
6 A 2974 2968 13.48      
7 A 2960 2954 14.66      
8 A 1740 1737 301.14      
9 A 1597 1594 24.70      
10 A 1437 1434 9.43      
11 A 1429 1426 2.29      
12 A 1371 1368 323.18      
13 A 1349 1346 4.90      
14 A 1329 1327 12.10      
15 A 1254 1252 3.56      
16 A 1185 1183 7.32      
17 A 1147 1145 31.69      
18 A 1088 1086 11.50      
19 A 1025 1023 41.01      
20 A 982 980 0.90      
21 A 906 904 50.89      
22 A 881 879 52.74      
23 A 814 813 82.11      
24 A 763 761 3.76      
25 A 698 697 6.76      
26 A 550 549 2.33      
27 A 503 502 1.34      
28 A 392 391 3.39      
29 A 335 334 10.90      
30 A 264 263 11.21      
31 A 252 251 16.46      
32 A 214 214 0.35      
33 A 45 45 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 22824.6 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 22781.2 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 BLYP/aug-cc-pVDZ
ABC
0.15848 0.11108 0.07043

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.145 1.317 0.037
C2 1.432 -1.205 -0.273
C3 0.649 -0.050 0.384
C4 -0.874 -0.137 0.061
O5 -1.439 1.062 -0.250
O6 -1.512 -1.178 0.109
H7 1.648 1.310 -0.857
H8 1.792 1.678 0.743
H9 0.970 -2.173 -0.019
H10 1.421 -1.101 -1.375
H11 0.712 -0.153 1.485
H12 2.482 -1.205 0.070
H13 -0.672 1.705 -0.216

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.55671.49462.48802.61203.64491.02581.02363.49472.81382.10832.85411.8748
C22.55671.54212.56263.65762.96832.59053.07791.10251.10682.17201.10493.5908
C31.49461.54211.55982.44942.45352.09452.10212.18482.19021.10732.18832.2772
C42.48802.56261.55981.36161.22143.04943.29642.74752.87372.13123.52121.8738
O52.61203.65762.44941.36162.26943.15623.43544.03963.75833.01834.53991.0014
O63.64492.96832.45351.22142.26944.13624.41262.67663.28782.80873.99383.0200
H71.02582.59052.09453.04943.15624.13621.64783.64592.47682.91572.80652.4394
H81.02363.07792.10213.29643.43544.41261.64784.01103.51422.25163.03952.6438
H93.49471.10252.18482.74754.03962.67663.64594.01101.78622.53211.79794.2156
H102.81381.10682.19022.87373.75833.28782.47683.51421.78623.09591.79613.6876
H112.10832.17201.10732.13123.01832.80872.91572.25162.53213.09592.49822.8739
H122.85411.10492.18833.52124.53993.99382.80653.03951.79791.79612.49824.3002
H131.87483.59082.27721.87381.00143.02002.43942.64384.21563.68762.87394.3002

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 114.680 N1 C3 C4 109.067
N1 C3 H11 107.312 C2 C3 C4 111.404
C2 C3 H11 109.024 C3 N1 H7 111.043
C3 N1 H8 111.824 C3 C2 H9 110.297
C3 C2 H10 110.473 C3 C2 H12 110.437
C3 C4 O5 113.780 C3 C4 O6 123.351
C4 C3 H11 104.811 C4 O5 H13 103.885
O5 C4 O6 122.851 H7 N1 H8 107.038
H9 C2 H10 107.898 H9 C2 H12 109.068
H10 C2 H12 108.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.165      
2 C 1.207      
3 C 0.378      
4 C 0.638      
5 O -0.364      
6 O -0.503      
7 H -0.018      
8 H -0.033      
9 H -0.327      
10 H -0.279      
11 H -0.377      
12 H -0.321      
13 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.090 1.858 0.379 5.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.754 -0.282 -0.095
y -0.282 -38.615 0.544
z -0.095 0.544 -34.770
Traceless
 xyz
x -4.062 -0.282 -0.095
y -0.282 -0.853 0.544
z -0.095 0.544 4.915
Polar
3z2-r29.830
x2-y2-2.139
xy-0.282
xz-0.095
yz0.544


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.559 0.184 0.088
y 0.184 9.665 -0.129
z 0.088 -0.129 6.990


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