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 HO2CCHNH2CH2OH (Serine)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-78.349749
Energy at 298.15K-78.359682
HF Energy-77.308813
Nuclear repulsion energy180.081977
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 MP2/CEP-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 3783 3592 39.52      
2 A 3712 3524 74.30      
3 A 3617 3434 4.37      
4 A 3508 3330 1.59      
5 A 3201 3039 23.94      
6 A 3156 2996 12.08      
7 A 3089 2933 47.98      
8 A 1795 1705 237.37      
9 A 1702 1616 38.18      
10 A 1526 1449 3.70      
11 A 1449 1376 31.29      
12 A 1439 1366 30.31      
13 A 1405 1334 38.92      
14 A 1393 1322 8.08      
15 A 1323 1256 10.80      
16 A 1265 1201 24.53      
17 A 1190 1130 32.59      
18 A 1171 1112 190.47      
19 A 1155 1097 58.86      
20 A 1095 1040 78.68      
21 A 1049 996 46.66      
22 A 1006 956 5.27      
23 A 921 874 190.27      
24 A 821 780 8.61      
25 A 747 709 22.02      
26 A 637 605 119.65      
27 A 599 569 15.60      
28 A 510 484 156.29      
29 A 490 465 94.61      
30 A 456 433 3.87      
31 A 303 287 50.09      
32 A 281 267 10.44      
33 A 267 253 1.86      
34 A 201 191 0.24      
35 A 156 148 4.55      
36 A 41 39 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 25229.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 23952.6 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 MP2/CEP-31G*
ABC
0.11218 0.07580 0.05275

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.800 -0.546 0.011
O2 2.086 -0.330 -0.388
O3 0.430 -1.581 0.571
C4 -0.090 0.676 -0.308
C5 -1.531 0.437 0.195
O6 -2.147 -0.701 -0.401
N7 0.427 1.944 0.238
H8 2.597 -1.134 -0.159
H9 -0.127 0.765 -1.409
H10 -1.527 0.371 1.304
H11 -2.128 1.316 -0.092
H12 -1.714 -1.492 -0.030
H13 1.333 2.179 -0.174
H14 0.552 1.877 1.252

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 O6 N7 H8 H9 H10 H11 H12 H13 H14
C11.36381.23361.54472.53602.97982.52801.89912.14282.81573.47122.68592.78252.7341
O21.36382.28632.39833.74264.24952.88340.98082.67144.05074.53343.98942.62743.1488
O31.23362.28632.47722.83862.89213.54052.33013.11992.85943.92142.22843.93753.5264
C41.54472.39832.47721.54462.47751.47403.24381.10522.18102.14692.72292.07412.0710
C52.53603.74262.83861.54461.42562.47064.43122.15661.11061.10121.95113.37222.7435
O62.97984.24952.89212.47751.42563.74594.77062.69172.10772.04110.97564.52334.0827
N72.52802.88343.54051.47402.47063.74593.78762.09982.72582.65124.05721.02311.0244
H81.89910.98082.33013.24384.43124.77063.78763.54854.62805.32344.32773.54603.9047
H92.14282.67143.11991.10522.15662.69172.09983.54853.07812.45763.08412.37842.9632
H102.81574.05072.85942.18101.11062.10772.72584.62803.07811.79032.29913.69272.5678
H113.47124.53343.92142.14691.10122.04112.65125.32342.45761.79032.83973.56803.0501
H122.68593.98942.22842.72291.95110.97564.05724.32773.08412.29912.83974.77284.2579
H132.78252.62743.93752.07413.37224.52331.02313.54602.37843.69273.56804.77281.6543
H142.73413.14883.52642.07102.74354.08271.02443.90472.96322.56783.05014.25791.6543

picture of Serine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H8 107.057 C1 C4 C5 110.347
C1 C4 N7 113.718 C1 C4 H9 106.753
O2 C1 O3 123.263 O2 C1 C4 110.943
O3 C1 C4 125.782 C4 C5 O6 112.990
C4 C5 H10 109.368 C4 C5 H11 107.284
C4 N7 H13 111.032 C4 N7 H14 110.689
C5 C4 N7 109.840 C5 C4 H9 107.802
C5 O6 H12 107.203 O6 C5 H10 111.815
O6 C5 H11 107.058 N7 C4 H9 108.148
H10 C5 H11 108.086 H13 N7 H14 107.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability