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: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-283.616980
Energy at 298.15K-283.624119
Nuclear repulsion energy180.629818
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 CISD/6-311G*
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' 3971 3675 62.89      
2 A' 3677 3402 0.78      
3 A' 3174 2937 16.89      
4 A' 1957 1811 341.71      
5 A' 1812 1677 27.03      
6 A' 1544 1429 13.86      
7 A' 1509 1396 33.59      
8 A' 1399 1294 3.87      
9 A' 1266 1171 279.66      
10 A' 1211 1120 55.77      
11 A' 1023 946 186.60      
12 A' 889 823 74.75      
13 A' 678 628 12.53      
14 A' 491 454 34.52      
15 A' 271 250 10.03      
16 A" 3752 3471 2.78      
17 A" 3216 2976 11.41      
18 A" 1469 1360 0.20      
19 A" 1256 1162 1.81      
20 A" 974 901 4.86      
21 A" 701 649 135.29      
22 A" 539 499 36.48      
23 A" 251 232 57.42      
24 A" 75 69 4.89      

Unscaled Zero Point Vibrational Energy (zpe) 18552.3 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 17166.4 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 CISD/6-311G*
ABC
0.35228 0.13088 0.09857

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.550 0.000
O2 1.160 0.826 0.000
O3 -0.966 1.473 0.000
C4 -0.570 -0.852 0.000
N5 0.408 -1.911 0.000
H6 -0.554 2.334 0.000
H7 -1.220 -0.945 0.868
H8 -1.220 -0.945 -0.868
H9 1.004 -1.827 0.804
H10 1.004 -1.827 -0.804

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.19251.33621.51372.49481.86802.11612.11612.70262.7026
O21.19252.22262.41032.83872.28293.09123.09122.77642.7764
O31.33622.22262.35893.65250.95462.58212.58213.92643.9264
C41.51372.41032.35891.44123.18631.08821.08822.01812.0181
N52.49482.83873.65251.44124.35272.08192.08191.00441.0044
H61.86802.28290.95463.18634.35273.45723.45724.51514.5151
H72.11613.09122.58211.08822.08193.45721.73542.39282.9182
H82.11613.09122.58211.08822.08193.45721.73542.91822.3928
H92.70262.77643.92642.01811.00444.51512.39282.91821.6079
H102.70262.77643.92642.01811.00444.51512.91822.39281.6079

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 108.104 C1 C4 N5 115.172
C1 C4 H7 107.716 C1 C4 H8 107.716
O2 C1 O3 122.927 O2 C1 C4 125.496
O3 C1 C4 111.577 C4 N5 H9 109.934
C4 N5 H10 109.934 N5 C4 H7 110.010
N5 C4 H8 110.010 H7 C4 H8 105.768
H9 N5 H10 106.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability