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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-53.478641
Energy at 298.15K-53.489167
HF Energy-52.601861
Nuclear repulsion energy137.868423
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-121G*
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 3729 3553 29.18      
2 A 3584 3415 36.35      
3 A 3178 3028 30.23      
4 A 3173 3024 5.75      
5 A 3158 3009 35.07      
6 A 3154 3005 26.44      
7 A 3078 2932 30.51      
8 A 3064 2919 22.20      
9 A 3061 2917 31.24      
10 A 1753 1670 258.92      
11 A 1658 1580 81.87      
12 A 1548 1475 16.91      
13 A 1540 1467 12.25      
14 A 1525 1453 3.50      
15 A 1522 1450 0.14      
16 A 1449 1381 23.91      
17 A 1439 1371 50.77      
18 A 1430 1363 6.03      
19 A 1354 1290 1.11      
20 A 1288 1227 102.74      
21 A 1220 1162 4.28      
22 A 1148 1094 1.88      
23 A 1143 1089 7.86      
24 A 1073 1022 9.35      
25 A 992 945 0.35      
26 A 944 900 1.70      
27 A 939 895 1.20      
28 A 776 739 4.37      
29 A 758 723 4.13      
30 A 615 586 19.95      
31 A 577 550 37.31      
32 A 478 456 3.57      
33 A 363 345 224.74      
34 A 324 309 16.01      
35 A 291 277 3.44      
36 A 253 241 5.11      
37 A 241 230 3.44      
38 A 203 194 1.86      
39 A 40 38 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 29031.4 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 27661.1 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-121G*
ABC
0.16173 0.08644 0.08381

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.332 1.278 0.096
H2 0.795 2.207 -0.128
H3 1.417 1.183 1.183
H4 2.337 1.349 -0.334
C5 1.354 -1.251 -0.163
H6 0.829 -2.121 -0.572
H7 1.440 -1.377 0.920
C8 0.594 0.052 -0.475
H9 0.497 0.159 -1.564
N10 -1.862 0.025 -0.729
H11 -2.780 0.138 -0.311
H12 -1.726 0.412 -1.654
C13 -0.797 -0.026 0.156
O14 -0.966 -0.178 1.374
H15 2.359 -1.216 -0.598

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 N10 H11 H12 C13 O14 H15
C11.09631.09431.09592.54163.50012.78191.54012.16903.52824.28603.62782.49673.00522.7851
H21.09631.77561.77653.50294.35133.78982.19242.51983.49084.13513.45092.75763.32383.7930
H31.09431.77561.78162.78213.78752.57412.16923.07293.96864.57624.30372.72372.75123.1332
H41.09591.77651.78162.78453.79113.13192.17692.51304.42055.25854.37373.45724.01982.5788
C52.54163.50292.78212.78451.09571.09421.53972.16403.50534.36353.80452.49522.98231.0960
H63.50014.35133.78753.79111.09571.77602.18782.50833.44524.26583.75742.74983.28391.7780
H72.78193.78982.57413.13191.09421.77602.16903.06933.94834.65014.45592.72252.72631.7821
C81.54012.19242.16922.17691.53972.18782.16901.09882.46953.37962.62771.52972.43042.1766
H92.16902.51983.07292.51302.16402.50833.06931.09882.50633.50882.23972.16083.29982.5080
N103.52823.49083.96864.42053.50533.44523.94832.46952.50631.01511.01211.38602.29504.4016
H114.28604.13514.57625.25854.36354.26584.65013.37963.50881.01511.72872.04442.49655.3225
H123.62783.45094.30374.37373.80453.75744.45592.62772.23971.01211.72872.08173.17744.5230
C132.49672.75762.72373.45722.49522.74982.72251.52972.16081.38602.04442.08171.23893.4561
O143.00523.32382.75124.01982.98233.28392.72632.43043.29982.29502.49653.17741.23894.0029
H152.78513.79303.13322.57881.09601.77801.78212.17662.50804.40165.32254.52303.45614.0029

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 111.230 C1 C8 H9 109.426
C1 C8 C13 108.844 H2 C1 H3 108.301
H2 C1 H4 108.272 H2 C1 C8 111.414
H3 C1 H4 108.876 H3 C1 C8 109.702
H4 C1 C8 110.212 C5 C8 H9 109.058
C5 C8 C13 108.766 H6 C5 H7 108.386
H6 C5 C8 111.115 H6 C5 H15 108.439
H7 C5 C8 109.715 H7 C5 H15 108.919
C8 C5 H15 110.213 C8 C13 N10 115.684
C8 C13 O14 122.419 H9 C8 C13 109.496
N10 C13 O14 121.839 H11 N10 H12 117.031
H11 N10 C13 115.882 H12 N10 C13 119.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability