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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-283.258285
Energy at 298.15K-283.265189
HF Energy-282.690799
Nuclear repulsion energy175.557723
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' 3602 3471 26.08      
2 A' 3508 3381 0.59      
3 A' 3041 2930 12.32      
4 A' 1756 1692 35.89      
5 A' 1721 1659 173.06      
6 A' 1521 1465 18.93      
7 A' 1421 1369 13.22      
8 A' 1338 1290 9.65      
9 A' 1162 1120 37.43      
10 A' 1102 1062 237.57      
11 A' 870 838 88.76      
12 A' 776 748 256.20      
13 A' 627 604 3.94      
14 A' 458 441 42.28      
15 A' 257 248 12.23      
16 A" 3613 3482 1.61      
17 A" 3084 2971 8.71      
18 A" 1400 1349 0.00      
19 A" 1210 1166 0.21      
20 A" 931 897 2.98      
21 A" 639 615 168.60      
22 A" 514 495 39.38      
23 A" 253 244 61.43      
24 A" 77 74 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 17439.2 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 16804.4 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 QCISD/6-31G
ABC
0.32877 0.12474 0.09341

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 0.551 0.000
O2 1.207 0.855 0.000
O3 -1.015 1.508 0.000
C4 -0.575 -0.868 0.000
N5 0.426 -1.940 0.000
H6 -0.632 2.414 0.000
H7 -1.228 -0.971 0.882
H8 -1.228 -0.971 -0.882
H9 1.007 -1.948 0.836
H10 1.007 -1.948 -0.836

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.24501.39511.53072.52631.96752.14492.14492.82072.8207
O21.24502.31572.47912.90182.41063.16883.16882.93182.9318
O31.39512.31572.41643.73670.98342.64002.64004.09054.0905
C41.53072.47912.41641.46683.28241.10221.10222.09062.0906
N52.52632.90183.73671.46684.48022.11012.11011.01841.0184
H61.96752.41060.98343.28244.48023.54843.54844.73404.7340
H72.14493.16882.64001.10222.11013.54841.76492.43972.9840
H82.14493.16882.64001.10222.11013.54841.76492.98402.4397
H92.82072.93184.09052.09061.01844.73402.43972.98401.6725
H102.82072.93184.09052.09061.01844.73402.98402.43971.6725

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 110.430 C1 C4 N5 114.860
C1 C4 H7 107.997 C1 C4 H8 107.997
O2 C1 O3 122.494 O2 C1 C4 126.237
O3 C1 C4 111.270 C4 N5 H9 113.303
C4 N5 H10 113.303 N5 C4 H7 109.627
N5 C4 H8 109.627 H7 C4 H8 106.380
H9 N5 H10 110.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability