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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-283.632497
Energy at 298.15K-283.639496
HF Energy-282.827070
Nuclear repulsion energy178.673416
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
4/u)
Dep P Dep U
1 A' 3706 3529 54.53      
2 A' 3491 3324 0.26      
3 A' 3087 2940 13.55      
4 A' 1869 1780 245.67      
5 A' 1741 1658 21.15      
6 A' 1518 1445 10.84      
7 A' 1460 1390 27.98      
8 A' 1354 1290 6.72      
9 A' 1212 1154 191.80      
10 A' 1173 1117 92.52      
11 A' 1001 953 180.69      
12 A' 861 820 59.00      
13 A' 646 615 11.50      
14 A' 471 449 35.31      
15 A' 265 252 9.19      
16 A" 3571 3401 0.86      
17 A" 3130 2981 8.84      
18 A" 1422 1354 0.34      
19 A" 1212 1154 0.99      
20 A" 945 900 2.68      
21 A" 677 644 120.52      
22 A" 520 495 31.46      
23 A" 248 236 57.22      
24 A" 69 66 5.25      

Unscaled Zero Point Vibrational Energy (zpe) 17822.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 16972.7 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 QCISD/6-31G*
ABC
0.34197 0.12922 0.09687

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 0.819 0.000
O3 -0.974 1.493 0.000
C4 -0.584 -0.855 0.000
N5 0.399 -1.927 0.000
H6 -0.516 2.357 0.000
H7 -1.238 -0.950 0.877
H8 -1.238 -0.950 -0.877
H9 1.011 -1.812 0.809
H10 1.011 -1.812 -0.809

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.21491.35721.51992.50731.88112.13192.13192.69212.6921
O21.21492.26162.43482.85592.29343.12483.12482.75782.7578
O31.35722.26162.38023.68560.97792.60862.60863.93943.9394
C41.51992.43482.38021.45463.21281.09781.09782.02832.0283
N52.50732.85593.68561.45464.38092.09862.09861.02071.0207
H61.88112.29340.97793.21284.38093.49623.49624.51324.5132
H72.13193.12482.60861.09782.09863.49621.75322.40962.9398
H82.13193.12482.60861.09782.09863.49621.75322.93982.4096
H92.69212.75783.93942.02831.02074.51322.40962.93981.6179
H102.69212.75783.93942.02831.02074.51322.93982.40961.6179

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 106.198 C1 C4 N5 114.885
C1 C4 H7 107.971 C1 C4 H8 107.971
O2 C1 O3 123.020 O2 C1 C4 125.458
O3 C1 C4 111.522 C4 N5 H9 108.782
C4 N5 H10 108.782 N5 C4 H7 109.822
N5 C4 H8 109.822 H7 C4 H8 105.971
H9 N5 H10 104.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability