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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-323.773448
Energy at 298.15K-323.782917
HF Energy-323.773448
Nuclear repulsion energy250.950462
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 wB97X-D/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 3642 3482 10.13      
2 A 3570 3413 222.47      
3 A 3550 3393 45.15      
4 A 3167 3028 5.97      
5 A 3129 2991 25.51      
6 A 3074 2939 10.84      
7 A 3056 2922 15.53      
8 A 1884 1801 318.64      
9 A 1668 1595 35.33      
10 A 1501 1435 17.82      
11 A 1488 1423 2.12      
12 A 1449 1385 413.13      
13 A 1415 1353 10.12      
14 A 1400 1339 4.42      
15 A 1319 1261 7.06      
16 A 1256 1200 17.28      
17 A 1237 1183 9.13      
18 A 1168 1116 9.72      
19 A 1100 1051 40.27      
20 A 1024 979 0.39      
21 A 948 906 27.51      
22 A 888 849 78.06      
23 A 857 819 105.28      
24 A 815 779 6.77      
25 A 750 717 8.51      
26 A 576 550 3.77      
27 A 538 514 1.33      
28 A 414 396 4.59      
29 A 366 350 12.31      
30 A 289 277 13.38      
31 A 282 270 14.96      
32 A 188 180 0.29      
33 A 61 58 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 24033.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 22976.0 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 wB97X-D/cc-pVTZ
ABC
0.16399 0.11523 0.07251

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.101 1.320 0.024
C2 1.422 -1.174 -0.251
C3 0.645 -0.029 0.380
C4 -0.859 -0.141 0.090
O5 -1.438 1.021 -0.205
O6 -1.452 -1.183 0.065
H7 1.399 1.349 -0.944
H8 1.894 1.597 0.585
H9 0.990 -2.128 0.039
H10 1.382 -1.107 -1.339
H11 0.718 -0.102 1.468
H12 2.466 -1.143 0.061
H13 -0.694 1.656 -0.236

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N12.52951.46812.44602.56663.57541.01261.00993.45032.79792.06272.81611.8450
C22.52951.52102.52743.60552.89122.61622.93191.08721.09152.14481.08983.5339
C31.46811.52101.53592.40472.41382.05412.06032.15482.15941.09272.15872.2389
C42.44602.52741.53591.33151.19872.89583.29332.71502.82832.09453.47311.8341
O52.56663.60552.40471.33152.22062.94893.47233.98413.71022.95084.47140.9781
O63.57542.89122.41381.19872.22063.94344.38072.61853.16352.80063.91812.9537
H71.01262.61622.05412.89582.94893.94341.62573.63652.48752.89572.89072.2303
H81.00992.93192.06033.29333.47234.38071.62573.87173.35752.24712.84702.7162
H93.45031.08722.15482.71503.98412.61853.63653.87171.76012.49451.77514.1515
H102.79791.09152.15942.82833.71023.16352.48753.35751.76013.05511.77113.6279
H112.06272.14481.09272.09452.95082.80062.89572.24712.49453.05512.47432.8264
H122.81611.08982.15873.47314.47143.91812.89072.84701.77511.77112.47434.2320
H131.84503.53392.23891.83410.97812.95372.23032.71624.15153.62792.82644.2320

picture of Alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C2 115.605 N1 C3 C4 109.002
N1 C3 H11 106.400 C2 C3 C4 111.538
C2 C3 H11 109.195 C3 N1 H7 110.443
C3 N1 H8 111.148 C3 C2 H9 110.306
C3 C2 H10 110.415 C3 C2 H12 110.459
C3 C4 O5 113.804 C3 C4 O6 123.466
C4 C3 H11 104.386 C4 O5 H13 104.091
O5 C4 O6 122.634 H7 N1 H8 106.992
H9 C2 H10 107.777 H9 C2 H12 109.249
H10 C2 H12 108.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.328      
2 C -0.268      
3 C -0.061      
4 C 0.290      
5 O -0.237      
6 O -0.309      
7 H 0.140      
8 H 0.145      
9 H 0.115      
10 H 0.088      
11 H 0.115      
12 H 0.092      
13 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.912 2.107 0.315 5.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.071 -0.380 -0.164
y -0.380 -37.274 0.162
z -0.164 0.162 -33.464
Traceless
 xyz
x -3.702 -0.380 -0.164
y -0.380 -1.007 0.162
z -0.164 0.162 4.709
Polar
3z2-r29.418
x2-y2-1.797
xy-0.380
xz-0.164
yz0.162


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.814 0.179 0.065
y 0.179 8.093 -0.074
z 0.065 -0.074 5.956


<r2> (average value of r2) Å2
<r2> 161.098
(<r2>)1/2 12.692