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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-323.467407
Energy at 298.15K-323.476832
Nuclear repulsion energy248.861956
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 PBEPBE/6-311G**
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 3509 3477 5.90      
2 A 3420 3388 0.09      
3 A 3207 3178 323.32      
4 A 3072 3044 5.55      
5 A 3042 3015 26.91      
6 A 2975 2948 23.59      
7 A 2969 2942 3.91      
8 A 1799 1783 279.04      
9 A 1609 1594 35.14      
10 A 1450 1437 16.11      
11 A 1440 1427 6.07      
12 A 1412 1399 350.00      
13 A 1353 1340 16.55      
14 A 1341 1329 3.79      
15 A 1264 1252 2.70      
16 A 1194 1183 11.89      
17 A 1173 1162 19.57      
18 A 1113 1103 8.40      
19 A 1061 1051 44.07      
20 A 986 978 2.83      
21 A 930 921 67.59      
22 A 904 896 32.87      
23 A 842 834 95.14      
24 A 778 771 6.15      
25 A 714 708 5.28      
26 A 554 549 3.11      
27 A 514 509 0.70      
28 A 396 393 5.51      
29 A 358 355 15.89      
30 A 312 309 13.61      
31 A 267 265 11.94      
32 A 228 226 0.33      
33 A 78 78 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 23130.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22919.9 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 PBEPBE/6-311G**
ABC
0.15999 0.11462 0.07136

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.088 1.341 -0.018
C2 1.453 -1.174 -0.215
C3 0.648 -0.017 0.376
C4 -0.865 -0.156 0.054
O5 -1.462 1.029 -0.175
O6 -1.447 -1.220 0.043
H7 1.479 1.325 -0.965
H8 1.816 1.697 0.603
H9 0.991 -2.131 0.065
H10 1.459 -1.119 -1.316
H11 0.702 -0.065 1.478
H12 2.493 -1.158 0.143
H13 -0.699 1.676 -0.125

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.54911.48082.46202.57423.60391.02391.02093.47392.80602.08962.87091.8220
C22.54911.52892.54583.65432.91162.60973.00731.09831.10252.15911.10033.5730
C31.48081.52891.55292.41862.43862.07112.08602.16412.17651.10462.18212.2210
C42.46202.54581.55291.34681.21242.95433.30472.70962.86472.11933.50541.8487
O52.57423.65432.41861.34682.25933.06013.43464.00723.80162.93484.53081.0016
O63.60392.91162.43861.21242.25934.00694.41202.60243.20992.83043.94202.9957
H71.02392.60972.07112.95433.06014.00691.64583.63892.46962.91642.90142.3610
H81.02093.00732.08603.30473.43464.41201.64583.95213.42622.26082.96952.6187
H93.47391.09832.16412.70964.00722.60243.63893.95211.77462.51961.79184.1696
H102.80601.10252.17652.86473.80163.20992.46963.42621.77463.08111.78833.7272
H112.08962.15911.10462.11932.93482.83042.91642.26082.51963.08112.48742.7510
H122.87091.10032.18213.50544.53083.94202.90142.96951.79181.78832.48744.2773
H131.82203.57302.22101.84871.00162.99572.36102.61874.16963.72722.75104.2773

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.761 N1 C3 C4 108.474
N1 C3 H11 106.945 C2 C3 C4 111.390
C2 C3 H11 109.079 C3 N1 H7 110.229
C3 N1 H8 111.673 C3 C2 H9 109.834
C3 C2 H10 110.566 C3 C2 H12 111.145
C3 C4 O5 112.840 C3 C4 O6 123.259
C4 C3 H11 104.509 C4 O5 H13 102.860
O5 C4 O6 123.879 H7 N1 H8 107.197
H9 C2 H10 107.484 H9 C2 H12 109.173
H10 C2 H12 108.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.488      
2 C -0.310      
3 C -0.223      
4 C 0.349      
5 O -0.267      
6 O -0.306      
7 H 0.220      
8 H 0.225      
9 H 0.153      
10 H 0.121      
11 H 0.174      
12 H 0.118      
13 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.876 2.064 0.318 5.304
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.105 0.202 -0.270
y 0.202 -37.541 0.058
z -0.270 0.058 -33.811
Traceless
 xyz
x -3.429 0.202 -0.270
y 0.202 -1.083 0.058
z -0.270 0.058 4.512
Polar
3z2-r29.025
x2-y2-1.564
xy0.202
xz-0.270
yz0.058


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.735 0.158 0.084
y 0.158 8.132 -0.070
z 0.084 -0.070 5.729


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