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: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-283.692150
Energy at 298.15K-283.699212
HF Energy-282.860460
Nuclear repulsion energy179.052897
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 CCD/cc-pVDZ
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' 3823 3658 62.89      
2 A' 3517 3365 0.31      
3 A' 3089 2955 16.84      
4 A' 1912 1830 266.83      
5 A' 1690 1617 15.34      
6 A' 1468 1404 8.92      
7 A' 1457 1394 38.46      
8 A' 1346 1287 5.20      
9 A' 1218 1166 236.00      
10 A' 1176 1125 61.04      
11 A' 1010 967 134.51      
12 A' 867 830 51.22      
13 A' 653 625 13.51      
14 A' 475 455 29.62      
15 A' 266 255 8.15      
16 A" 3590 3435 0.96      
17 A" 3137 3001 10.69      
18 A" 1411 1350 0.61      
19 A" 1198 1146 1.43      
20 A" 939 899 2.17      
21 A" 664 636 95.30      
22 A" 522 499 34.76      
23 A" 257 246 46.68      
24 A" 75 72 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 17880.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17106.6 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 CCD/cc-pVDZ
ABC
0.34439 0.12958 0.09727

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.551 0.000
O2 1.178 0.812 0.000
O3 -0.969 1.493 0.000
C4 -0.585 -0.856 0.000
N5 0.401 -1.928 0.000
H6 -0.507 2.346 0.000
H7 -1.246 -0.946 0.881
H8 -1.246 -0.946 -0.881
H9 1.018 -1.781 0.803
H10 1.018 -1.781 -0.803

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20621.35181.52372.51061.86552.13712.13712.66832.6683
O21.20622.25242.42672.84772.27843.12053.12052.71932.7193
O31.35182.25242.38043.68470.97032.60742.60743.91353.9135
C41.52372.42672.38041.45573.20321.10521.10522.01762.0176
N52.51062.84773.68471.45574.36892.10992.10991.02391.0239
H61.86552.27840.97033.20324.36893.48653.48654.47274.4727
H72.13713.12052.60741.10522.10993.48651.76262.41472.9432
H82.13713.12052.60741.10522.10993.48651.76262.94322.4147
H92.66832.71933.91352.01761.02394.47272.41472.94321.6065
H102.66832.71933.91352.01761.02394.47272.94322.41471.6065

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 105.727 C1 C4 N5 114.825
C1 C4 H7 107.701 C1 C4 H8 107.701
O2 C1 O3 123.310 O2 C1 C4 125.077
O3 C1 C4 111.613 C4 N5 H9 107.646
C4 N5 H10 107.646 N5 C4 H7 110.206
N5 C4 H8 110.206 H7 C4 H8 105.770
H9 N5 H10 103.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability