return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-284.136310
Energy at 298.15K-284.143258
Nuclear repulsion energy179.612699
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/6-31G*
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' 3738 3555 49.30      
2 A' 3521 3348 0.86      
3 A' 3082 2931 15.96      
4 A' 1883 1791 272.43      
5 A' 1720 1636 22.51      
6 A' 1481 1408 14.25      
7 A' 1440 1369 34.18      
8 A' 1336 1271 10.04      
9 A' 1204 1145 154.84      
10 A' 1173 1116 120.08      
11 A' 970 923 167.55      
12 A' 850 809 80.20      
13 A' 645 613 9.06      
14 A' 470 447 34.97      
15 A' 260 247 10.23      
16 A" 3603 3427 2.18      
17 A" 3125 2972 7.79      
18 A" 1407 1338 0.36      
19 A" 1196 1138 1.10      
20 A" 933 887 4.36      
21 A" 686 652 109.33      
22 A" 516 491 33.09      
23 A" 237 226 54.64      
24 A" 62 59 6.39      

Unscaled Zero Point Vibrational Energy (zpe) 17769.7 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 16899.0 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 HSEh1PBE/6-31G*
ABC
0.34654 0.13037 0.09786

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.549 0.000
O2 1.179 0.809 0.000
O3 -0.961 1.491 0.000
C4 -0.582 -0.852 0.000
N5 0.390 -1.918 0.000
H6 -0.501 2.349 0.000
H7 -1.241 -0.944 0.872
H8 -1.241 -0.944 -0.872
H9 1.000 -1.809 0.806
H10 1.000 -1.809 -0.806

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20771.34631.51692.49681.86852.12812.12812.68512.6851
O21.20772.24642.42122.83872.27913.11323.11322.74562.7456
O31.34632.24642.37393.66690.97282.60182.60183.92303.9230
C41.51692.42122.37391.44223.20181.09701.09702.01732.0173
N52.49682.83873.66691.44224.35832.09022.09021.01671.0167
H61.86852.27910.97283.20184.35833.48553.48554.49364.4936
H72.12813.11322.60181.09702.09023.48551.74452.40342.9306
H82.12813.11322.60181.09702.09023.48551.74452.93062.4034
H92.68512.74563.92302.01731.01674.49362.40342.93061.6120
H102.68512.74563.92302.01731.01674.49362.93062.40341.6120

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.244 C1 C4 N5 115.057
C1 C4 H7 107.923 C1 C4 H8 107.923
O2 C1 O3 123.094 O2 C1 C4 125.026
O3 C1 C4 111.880 C4 N5 H9 109.018
C4 N5 H10 109.018 N5 C4 H7 110.064
N5 C4 H8 110.064 H7 C4 H8 105.332
H9 N5 H10 104.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.549      
2 O -0.465      
3 O -0.573      
4 C -0.297      
5 N -0.719      
6 H 0.426      
7 H 0.212      
8 H 0.212      
9 H 0.327      
10 H 0.327      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.655 1.139 0.000 1.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.774 -2.478 0.000
y -2.478 -29.551 0.000
z 0.000 0.000 -26.837
Traceless
 xyz
x -3.580 -2.478 0.000
y -2.478 -0.246 0.000
z 0.000 0.000 3.826
Polar
3z2-r27.652
x2-y2-2.223
xy-2.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.367 -0.314 0.000
y -0.314 5.454 0.000
z 0.000 0.000 3.712


<r2> (average value of r2) Å2
<r2> 116.898
(<r2>)1/2 10.812