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: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-284.555367
Energy at 298.15K-284.562228
HF Energy-284.555367
Nuclear repulsion energy179.054153
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 B3LYP/aug-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' 3734 3612 58.20      
2 A' 3508 3394 2.55      
3 A' 3040 2941 17.76      
4 A' 1811 1752 297.63      
5 A' 1675 1621 19.45      
6 A' 1457 1410 16.03      
7 A' 1396 1350 12.37      
8 A' 1307 1264 13.91      
9 A' 1158 1121 85.36      
10 A' 1120 1083 222.76      
11 A' 902 873 106.15      
12 A' 814 788 95.42      
13 A' 635 615 5.04      
14 A' 463 448 29.05      
15 A' 258 249 10.15      
16 A" 3578 3461 6.78      
17 A" 3069 2970 5.92      
18 A" 1384 1339 0.02      
19 A" 1188 1149 1.22      
20 A" 917 887 3.19      
21 A" 651 630 88.39      
22 A" 510 493 30.12      
23 A" 211 204 42.69      
24 A" 56 54 4.78      

Unscaled Zero Point Vibrational Energy (zpe) 17419.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 16853.5 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 B3LYP/aug-cc-pVTZ
ABC
0.34595 0.12842 0.09671

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.552 0.000
O2 1.179 0.834 0.000
O3 -0.987 1.479 0.000
C4 -0.564 -0.850 0.000
N5 0.403 -1.920 0.000
H6 -0.543 2.337 0.000
H7 -1.217 -0.930 0.874
H8 -1.217 -0.930 -0.874
H9 1.003 -1.879 0.813
H10 1.003 -1.879 -0.813

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21201.35391.51142.50491.86572.10792.10792.75242.7524
O21.21202.25982.42382.86132.28533.10133.10132.83762.8376
O31.35392.25982.36693.67230.96662.57312.57313.98673.9867
C41.51142.42382.36691.44273.18731.09381.09382.04332.0433
N52.50492.86133.67231.44274.36122.09022.09021.01121.0112
H61.86572.28530.96663.18734.36123.44913.44914.56334.5633
H72.10793.10132.57311.09382.09023.44911.74762.41472.9451
H82.10793.10132.57311.09382.09023.44911.74762.94512.4147
H92.75242.83763.98672.04331.01124.56332.41472.94511.6268
H102.75242.83763.98672.04331.01124.56332.94512.41471.6268

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 105.822 C1 C4 N5 115.957
C1 C4 H7 106.923 C1 C4 H8 106.923
O2 C1 O3 123.354 O2 C1 C4 125.375
O3 C1 C4 111.271 C4 N5 H9 111.539
C4 N5 H10 111.539 N5 C4 H7 110.232
N5 C4 H8 110.232 H7 C4 H8 106.051
H9 N5 H10 107.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability