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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-283.678804
Energy at 298.15K-283.685810
HF Energy-282.844944
Nuclear repulsion energy178.972176
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 QCISD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3844 3619 53.65      
2 A' 3568 3359 0.33      
3 A' 3126 2943 15.60      
4 A' 1869 1760 241.31      
5 A' 1724 1623 19.10      
6 A' 1522 1433 7.92      
7 A' 1463 1377 25.46      
8 A' 1353 1274 14.36      
9 A' 1209 1138 177.41      
10 A' 1170 1102 103.52      
11 A' 990 932 165.54      
12 A' 859 808 63.89      
13 A' 645 607 11.24      
14 A' 472 444 34.63      
15 A' 265 250 9.27      
16 A" 3651 3437 0.88      
17 A" 3173 2987 10.52      
18 A" 1425 1342 0.32      
19 A" 1213 1142 1.00      
20 A" 944 889 1.97      
21 A" 673 634 116.44      
22 A" 517 487 29.59      
23 A" 248 233 53.38      
24 A" 68 64 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 17995.7 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 16941.1 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 QCISD/6-31G**
ABC
0.34240 0.12964 0.09711

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.548 0.000
O2 1.184 0.818 0.000
O3 -0.975 1.491 0.000
C4 -0.583 -0.855 0.000
N5 0.400 -1.924 0.000
H6 -0.522 2.347 0.000
H7 -1.233 -0.946 0.873
H8 -1.233 -0.946 -0.873
H9 1.008 -1.807 0.804
H10 1.008 -1.807 -0.804

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21451.35601.52002.50431.87292.12482.12482.68472.6847
O21.21452.26172.43392.85152.29153.11693.11692.75032.7503
O31.35602.26172.37833.68100.96852.60072.60073.93063.9306
C41.52002.43392.37831.45233.20271.09201.09202.02082.0208
N52.50432.85153.68101.45234.36922.09462.09461.01481.0148
H61.87292.29150.96853.20274.36923.47953.47954.49874.4987
H72.12483.11692.60071.09202.09463.47951.74612.40172.9286
H82.12483.11692.60071.09202.09463.47951.74612.92862.4017
H92.68472.75033.93062.02081.01484.49872.40172.92861.6083
H102.68472.75033.93062.02081.01484.49872.92862.40171.6083

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.158 C1 C4 N5 114.798
C1 C4 H7 107.739 C1 C4 H8 107.739
O2 C1 O3 123.163 O2 C1 C4 125.389
O3 C1 C4 111.449 C4 N5 H9 108.694
C4 N5 H10 108.694 N5 C4 H7 110.008
N5 C4 H8 110.008 H7 C4 H8 106.161
H9 N5 H10 104.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability