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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-323.441239
Energy at 298.15K-323.450722
HF Energy-323.441239
Nuclear repulsion energy250.505913
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 HSEh1PBE/6-31+G**
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 3659 3494 16.40      
2 A 3559 3399 0.47      
3 A 3467 3311 328.24      
4 A 3179 3035 4.59      
5 A 3144 3002 23.13      
6 A 3078 2939 11.23      
7 A 3064 2925 14.86      
8 A 1878 1793 349.33      
9 A 1666 1591 43.22      
10 A 1502 1434 18.91      
11 A 1492 1425 3.60      
12 A 1442 1376 418.71      
13 A 1411 1347 12.74      
14 A 1391 1328 5.74      
15 A 1314 1254 11.36      
16 A 1254 1197 19.53      
17 A 1230 1174 6.75      
18 A 1167 1114 11.03      
19 A 1098 1048 38.19      
20 A 1021 975 1.06      
21 A 945 902 30.60      
22 A 917 875 77.38      
23 A 865 826 128.89      
24 A 816 779 6.20      
25 A 743 710 7.93      
26 A 576 550 3.71      
27 A 535 511 1.78      
28 A 410 391 4.58      
29 A 357 341 12.21      
30 A 289 276 15.06      
31 A 273 260 14.46      
32 A 237 226 0.36      
33 A 60 58 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 24018.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 22932.8 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 HSEh1PBE/6-31+G**
ABC
0.16280 0.11531 0.07250

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.050 1.354 -0.039
C2 1.476 -1.138 -0.190
C3 0.643 0.009 0.372
C4 -0.849 -0.173 0.058
O5 -1.490 0.980 -0.136
O6 -1.393 -1.246 0.009
H7 1.324 1.371 -1.017
H8 1.832 1.696 0.505
H9 1.093 -2.100 0.159
H10 1.438 -1.141 -1.285
H11 0.696 -0.014 1.469
H12 2.519 -1.034 0.122
H13 -0.811 1.681 -0.103

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.53261.46412.43832.56853.56781.01591.01323.45942.81502.06652.80901.8897
C22.53261.52422.52883.64472.87762.64602.94021.09201.09542.14981.09433.6303
C31.46411.52421.53562.39832.41932.06112.06872.16622.16711.09842.16102.2658
C42.43832.52881.53561.33381.20402.87433.29902.73682.82282.09813.47701.8611
O52.56853.64472.39831.33382.23322.97483.45824.03013.79372.88794.49430.9760
O63.56782.87762.41931.20402.23323.90974.39392.63253.11482.83053.91982.9861
H71.01592.64602.06112.87432.97483.90971.63783.67142.52812.91412.91732.3433
H81.01322.94022.06873.29903.45824.39391.63783.88293.37762.26812.84192.7119
H93.45941.09202.16622.73684.03012.63253.67143.88291.76682.49471.78084.2403
H102.81501.09542.16712.82283.79373.11482.52813.37761.76683.06601.77743.7966
H112.06652.14981.09842.09812.88792.83052.91412.26812.49473.06602.48572.7587
H122.80901.09432.16103.47704.49433.91982.91732.84191.78081.77742.48574.3024
H131.88973.63032.26581.86110.97602.98612.34332.71194.24033.79662.75874.3024

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.872 N1 C3 C4 108.728
N1 C3 H11 106.627 C2 C3 C4 111.474
C2 C3 H11 109.035 C3 N1 H7 111.131
C3 N1 H8 111.958 C3 C2 H9 110.704
C3 C2 H10 110.572 C3 C2 H12 110.150
C3 C4 O5 113.213 C3 C4 O6 123.583
C4 C3 H11 104.377 C4 O5 H13 106.326
O5 C4 O6 123.195 H7 N1 H8 107.638
H9 C2 H10 107.742 H9 C2 H12 109.079
H10 C2 H12 108.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.714      
2 C -0.568      
3 C -0.058      
4 C 0.449      
5 O -0.438      
6 O -0.458      
7 H 0.320      
8 H 0.318      
9 H 0.211      
10 H 0.173      
11 H 0.200      
12 H 0.170      
13 H 0.397      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.324 2.085 0.382 5.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.125 -0.252 -0.188
y -0.252 -37.880 0.358
z -0.188 0.358 -33.957
Traceless
 xyz
x -4.206 -0.252 -0.188
y -0.252 -0.840 0.358
z -0.188 0.358 5.046
Polar
3z2-r210.091
x2-y2-2.244
xy-0.252
xz-0.188
yz0.358


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.083 0.249 0.082
y 0.249 8.403 -0.101
z 0.082 -0.101 6.049


<r2> (average value of r2) Å2
<r2> 161.787
(<r2>)1/2 12.720