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All results from a given calculation for C4H9NO (Propanamide, 2-methyl-)

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-52.991114
Energy at 298.15K-53.001615
HF Energy-52.454838
Nuclear repulsion energy134.929045
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 3767 3640 29.12      
2 A 3605 3483 43.22      
3 A 3150 3044 70.49      
4 A 3145 3039 5.53      
5 A 3131 3026 77.33      
6 A 3127 3022 28.79      
7 A 3058 2955 45.82      
8 A 3028 2926 26.65      
9 A 3028 2926 53.07      
10 A 1692 1635 191.34      
11 A 1629 1574 104.28      
12 A 1536 1485 14.34      
13 A 1530 1478 13.21      
14 A 1521 1470 3.84      
15 A 1514 1463 0.20      
16 A 1456 1407 19.87      
17 A 1439 1390 6.04      
18 A 1432 1384 43.33      
19 A 1356 1310 1.24      
20 A 1296 1252 153.62      
21 A 1224 1183 12.02      
22 A 1143 1105 10.51      
23 A 1142 1104 1.38      
24 A 1079 1043 11.83      
25 A 993 960 0.13      
26 A 955 923 3.49      
27 A 929 898 0.88      
28 A 753 727 1.27      
29 A 730 705 17.05      
30 A 610 589 109.39      
31 A 597 577 3.69      
32 A 465 449 3.04      
33 A 450 435 239.80      
34 A 318 308 0.72      
35 A 281 271 5.94      
36 A 236 228 4.31      
37 A 230 222 2.54      
38 A 207 200 0.96      
39 A 30 29 8.41      

Unscaled Zero Point Vibrational Energy (zpe) 28906.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 27931.8 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
0.15453 0.08221 0.08015

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 -1.395 -1.297 -0.024
H2 -0.861 -2.213 -0.357
H3 -1.475 -1.321 1.083
H4 -2.417 -1.304 -0.461
C5 -1.395 1.297 -0.019
H6 -0.861 2.214 -0.350
H7 -1.474 1.318 1.087
C8 -0.629 0.001 -0.474
H9 -0.540 0.003 -1.586
N10 1.862 0.002 -0.798
H11 2.819 0.001 -0.446
H12 1.701 0.004 -1.803
C13 0.803 -0.000 0.132
O14 1.024 -0.003 1.398
H15 -2.416 1.307 -0.456

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.11151.10951.11132.59393.56632.84161.57262.20433.59054.43013.80012.55633.09002.8299
H21.11151.80161.80423.56634.42713.86342.22892.55363.53744.29633.68342.81123.39413.8491
H31.10951.80161.80832.84153.86332.63832.21033.12174.05214.74634.49072.79922.84303.1872
H41.11131.80421.80832.83003.84913.18752.21342.54844.48615.39664.52393.52374.12192.6113
C52.59393.56632.84152.83001.11151.10951.57262.20433.59004.42943.79942.55623.09031.1113
H63.56634.42713.86333.84911.11151.80162.22892.55363.53654.29533.68212.81113.39471.8042
H72.84163.86342.63833.18751.10951.80162.21033.12174.05144.74564.48992.79902.84321.8082
C81.57262.22892.21032.21341.57262.22892.21031.11512.51203.44892.68231.55482.49792.2134
H92.20432.55363.12172.54842.20432.55363.12171.11512.52803.54792.25162.18023.36912.5485
N103.59053.53744.05214.48613.59003.53654.05142.51202.52801.02031.01781.40912.35024.4857
H114.43014.29634.74635.39664.42944.29534.74563.44893.54791.02031.75852.09802.57365.3961
H123.80013.68344.49074.52393.79943.68214.48992.68232.25161.01781.75852.13283.27164.5234
C132.55632.81122.79923.52372.55622.81112.79901.55482.18021.40912.09802.13281.28573.5236
O143.09003.39412.84304.12193.09033.39472.84322.49793.36912.35022.57363.27161.28574.1221
H152.82993.84913.18722.61131.11131.80421.80822.21342.54854.48575.39614.52343.52364.1221

picture of Propanamide, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C8 C5 111.121 C1 C8 H9 109.011
C1 C8 C13 109.647 H2 C1 H3 108.418
H2 C1 H4 108.518 H2 C1 C8 111.119
H3 C1 H4 109.024 H3 C1 C8 109.792
H4 C1 C8 109.923 C5 C8 H9 109.010
C5 C8 C13 109.641 H6 C5 H7 108.420
H6 C5 C8 111.118 H6 C5 H15 108.518
H7 C5 C8 109.791 H7 C5 H15 109.023
C8 C5 H15 109.924 C8 C13 N10 115.797
C8 C13 O14 122.858 H9 C8 C13 108.358
N10 C13 O14 121.345 H11 N10 H12 119.267
H11 N10 C13 118.560 H12 N10 C13 122.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability