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: CID/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 CID/6-31G*
 hartrees
Energy at 0K-283.499436
Energy at 298.15K-283.506556
HF Energy-282.830234
Nuclear repulsion energy180.230330
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 CID/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' 3886 3589 84.86      
2 A' 3641 3363 2.19      
3 A' 3189 2946 13.45      
4 A' 1970 1820 311.58      
5 A' 1791 1655 25.50      
6 A' 1562 1443 11.81      
7 A' 1519 1404 40.27      
8 A' 1400 1293 12.65      
9 A' 1263 1166 248.49      
10 A' 1215 1122 57.83      
11 A' 1023 945 182.52      
12 A' 893 825 78.66      
13 A' 674 623 12.74      
14 A' 490 453 35.93      
15 A' 274 253 10.16      
16 A" 3724 3440 4.62      
17 A" 3234 2987 8.38      
18 A" 1465 1353 0.13      
19 A" 1253 1157 1.45      
20 A" 976 902 4.73      
21 A" 695 642 128.40      
22 A" 538 497 35.31      
23 A" 251 232 59.64      
24 A" 77 71 5.61      

Unscaled Zero Point Vibrational Energy (zpe) 18500.5 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 17088.9 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 CID/6-31G*
ABC
0.34946 0.13098 0.09842

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.547 0.000
O2 1.170 0.815 0.000
O3 -0.963 1.481 0.000
C4 -0.578 -0.850 0.000
N5 0.398 -1.912 0.000
H6 -0.525 2.342 0.000
H7 -1.228 -0.941 0.869
H8 -1.228 -0.941 -0.869
H9 1.002 -1.818 0.805
H10 1.002 -1.818 -0.805

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20041.34141.51182.49091.87022.11662.11662.69162.6916
O21.20042.23452.41422.83392.28143.09733.09732.75842.7584
O31.34142.23452.36253.65580.96592.58752.58753.92333.9233
C41.51182.41422.36251.44273.19241.08941.08942.02032.0203
N52.49092.83393.65581.44274.35292.08412.08411.01011.0101
H61.87022.28140.96593.19244.35293.46873.46874.50394.5039
H72.11663.09732.58751.08942.08413.46871.73862.39722.9230
H82.11663.09732.58751.08942.08413.46871.73862.92302.3972
H92.69162.75843.92332.02031.01014.50392.39722.92301.6091
H102.69162.75843.92332.02031.01014.50392.92302.39721.6091

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.175 C1 C4 N5 114.913
C1 C4 H7 107.812 C1 C4 H8 107.812
O2 C1 O3 122.968 O2 C1 C4 125.384
O3 C1 C4 111.648 C4 N5 H9 109.643
C4 N5 H10 109.643 N5 C4 H7 110.005
N5 C4 H8 110.005 H7 C4 H8 105.876
H9 N5 H10 105.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability