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-283.170073
Energy at 298.15K-283.177091
Nuclear repulsion energy177.353791
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' 3785 3540 49.98      
2 A' 3653 3416 2.84      
3 A' 3140 2936 11.78      
4 A' 1833 1714 246.56      
5 A' 1802 1686 27.81      
6 A' 1562 1461 20.70      
7 A' 1478 1382 22.25      
8 A' 1384 1295 15.40      
9 A' 1209 1130 47.51      
10 A' 1160 1085 261.56      
11 A' 905 846 47.57      
12 A' 774 724 331.88      
13 A' 656 614 1.28      
14 A' 478 447 44.60      
15 A' 266 249 14.40      
16 A" 3761 3517 6.52      
17 A" 3183 2977 7.73      
18 A" 1437 1344 0.05      
19 A" 1248 1167 0.27      
20 A" 960 898 6.05      
21 A" 657 615 178.47      
22 A" 533 499 48.09      
23 A" 248 232 59.87      
24 A" 84 79 4.85      

Unscaled Zero Point Vibrational Energy (zpe) 18098.5 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 16925.7 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
0.33721 0.12683 0.09522

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 0.548 0.000
O2 1.190 0.852 0.000
O3 -1.002 1.492 0.000
C4 -0.567 -0.861 0.000
N5 0.427 -1.919 0.000
H6 -0.646 2.396 0.000
H7 -1.217 -0.960 0.874
H8 -1.217 -0.960 -0.874
H9 0.994 -1.960 0.832
H10 0.994 -1.960 -0.832

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.22781.37661.51862.50431.95752.12602.12602.82392.8239
O21.22782.28342.45302.87412.39913.13663.13662.93912.9391
O31.37662.28342.39293.69890.97122.61252.61254.07424.0742
C41.51862.45302.39291.45213.25761.09381.09382.08312.0831
N52.50432.87413.69891.45214.44692.09422.09421.00821.0082
H61.95752.39910.97123.25764.44693.51493.51494.72894.7289
H72.12603.13662.61251.09382.09423.51491.74792.42712.9667
H82.12603.13662.61251.09382.09423.51491.74792.96672.4271
H92.82392.93914.07422.08311.00824.72892.42712.96671.6648
H102.82392.93914.07422.08311.00824.72892.96672.42711.6648

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 111.814 C1 C4 N5 114.901
C1 C4 H7 107.839 C1 C4 H8 107.839
O2 C1 O3 122.395 O2 C1 C4 126.220
O3 C1 C4 111.385 C4 N5 H9 114.501
C4 N5 H10 114.501 N5 C4 H7 109.894
N5 C4 H8 109.894 H7 C4 H8 106.081
H9 N5 H10 111.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability