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All results from a given calculation for H2NCH2COOH (Glycine)

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-283.502676
Energy at 298.15K-283.509791
HF Energy-282.830154
Nuclear repulsion energy180.164960
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/6-31G*
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' 3880 3592 83.21      
2 A' 3637 3367 2.01      
3 A' 3186 2950 13.78      
4 A' 1964 1818 308.88      
5 A' 1791 1658 25.05      
6 A' 1562 1446 11.58      
7 A' 1517 1405 38.61      
8 A' 1398 1295 12.96      
9 A' 1260 1167 245.48      
10 A' 1213 1123 59.82      
11 A' 1022 946 183.62      
12 A' 891 825 77.13      
13 A' 673 623 12.66      
14 A' 489 453 35.97      
15 A' 273 253 10.13      
16 A" 3719 3443 4.25      
17 A" 3231 2991 8.78      
18 A" 1464 1355 0.14      
19 A" 1252 1159 1.43      
20 A" 976 903 4.61      
21 A" 695 643 128.31      
22 A" 537 497 34.82      
23 A" 251 233 59.49      
24 A" 76 70 5.61      

Unscaled Zero Point Vibrational Energy (zpe) 18477.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 17106.4 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/6-31G*
ABC
0.34905 0.13092 0.09835

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.547 0.000
O2 1.171 0.816 0.000
O3 -0.963 1.482 0.000
C4 -0.579 -0.850 0.000
N5 0.398 -1.912 0.000
H6 -0.525 2.343 0.000
H7 -1.229 -0.942 0.870
H8 -1.229 -0.942 -0.870
H9 1.002 -1.818 0.805
H10 1.002 -1.818 -0.805

Atom - Atom Distances (Å)
  C1 O2 O3 C4 N5 H6 H7 H8 H9 H10
C11.20121.34211.51232.49141.87042.11712.11712.69162.6916
O21.20122.23582.41542.83482.28193.09853.09852.75862.7586
O31.34212.23582.36323.65670.96622.58812.58813.92383.9238
C41.51232.41542.36321.44303.19301.08951.08952.02052.0205
N52.49142.83483.65671.44304.35362.08442.08441.01031.0103
H61.87042.28190.96623.19304.35363.46943.46944.50404.5040
H72.11713.09852.58811.08952.08443.46941.73912.39742.9234
H82.11713.09852.58811.08952.08443.46941.73912.92342.3974
H92.69162.75863.92382.02051.01034.50402.39742.92341.6092
H102.69162.75863.92382.02051.01034.50402.92342.39741.6092

picture of Glycine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O3 H6 107.123 C1 C4 N5 114.900
C1 C4 H7 107.813 C1 C4 H8 107.813
O2 C1 O3 122.974 O2 C1 C4 125.394
O3 C1 C4 111.632 C4 N5 H9 109.621
C4 N5 H10 109.621 N5 C4 H7 110.001
N5 C4 H8 110.001 H7 C4 H8 105.899
H9 N5 H10 105.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability