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: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-282.753483
Energy at 298.15K-282.760506
Nuclear repulsion energy178.485464
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 HF/LANL2DZ
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' 4029 3626 98.34      
2 A' 3808 3427 6.39      
3 A' 3261 2935 21.75      
4 A' 1892 1703 379.47      
5 A' 1851 1665 35.88      
6 A' 1618 1456 30.08      
7 A' 1539 1385 18.66      
8 A' 1412 1271 30.84      
9 A' 1252 1127 34.74      
10 A' 1207 1086 317.76      
11 A' 924 832 45.69      
12 A' 739 665 379.34      
13 A' 667 600 8.17      
14 A' 489 440 50.74      
15 A' 267 240 19.14      
16 A" 3931 3537 15.35      
17 A" 3317 2985 16.71      
18 A" 1483 1335 0.33      
19 A" 1298 1168 0.65      
20 A" 998 898 13.37      
21 A" 679 611 200.66      
22 A" 550 495 60.92      
23 A" 230 207 55.45      
24 A" 77 69 6.29      

Unscaled Zero Point Vibrational Energy (zpe) 18759.0 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 16881.3 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 HF/LANL2DZ
ABC
0.34360 0.12740 0.09600

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.551 0.000
O2 1.172 0.871 0.000
O3 -0.998 1.474 0.000
C4 -0.555 -0.863 0.000
N5 0.439 -1.910 0.000
H6 -0.701 2.383 0.000
H7 -1.198 -0.958 0.864
H8 -1.198 -0.958 -0.864
H9 0.985 -1.995 0.830
H10 0.985 -1.995 -0.830

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21461.35991.51882.49951.96182.11152.11152.85332.8533
O21.21462.25252.44662.87542.40733.11553.11552.98942.9894
O31.35992.25252.37893.67660.95642.58862.58864.08164.0816
C41.51882.44662.37891.44333.24951.08141.08142.08352.0835
N52.49952.87543.67661.44334.44172.08162.08160.99700.9970
H61.96182.40730.95643.24954.44173.48653.48654.76464.7646
H72.11153.11552.58861.08142.08163.48651.72782.41742.9515
H82.11153.11552.58861.08142.08163.48651.72782.95152.4174
H92.85332.98944.08162.08350.99704.76462.41742.95151.6594
H102.85332.98944.08162.08350.99704.76462.95152.41741.6594

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 114.642 C1 C4 N5 115.072
C1 C4 H7 107.394 C1 C4 H8 107.394
O2 C1 O3 121.977 O2 C1 C4 126.685
O3 C1 C4 111.338 C4 N5 H9 116.055
C4 N5 H10 116.055 N5 C4 H7 110.250
N5 C4 H8 110.250 H7 C4 H8 106.042
H9 N5 H10 112.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.483      
2 O -0.407      
3 O -0.610      
4 C -0.280      
5 N -0.713      
6 H 0.438      
7 H 0.225      
8 H 0.225      
9 H 0.319      
10 H 0.319      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.023 0.541 0.000 1.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.924 -3.888 0.000
y -3.888 -29.151 0.000
z 0.000 0.000 -27.154
Traceless
 xyz
x -6.771 -3.888 0.000
y -3.888 1.888 0.000
z 0.000 0.000 4.883
Polar
3z2-r29.767
x2-y2-5.772
xy-3.888
xz0.000
yz0.000


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


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