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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-247.956062
Energy at 298.15K-247.964553
HF Energy-247.018113
Nuclear repulsion energy182.481565
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=FULL/6-31G(2df,p)
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' 3238 3043 0.02      
2 A' 3212 3019 9.16      
3 A' 3099 2913 38.29      
4 A' 3090 2904 41.55      
5 A' 3014 2833 76.31      
6 A' 1815 1706 389.65      
7 A' 1584 1489 19.34      
8 A' 1546 1453 14.75      
9 A' 1496 1406 6.07      
10 A' 1468 1380 63.19      
11 A' 1458 1370 15.04      
12 A' 1450 1363 22.30      
13 A' 1330 1251 31.48      
14 A' 1128 1060 106.37      
15 A' 1109 1042 2.13      
16 A' 903 849 2.42      
17 A' 673 632 5.99      
18 A' 395 371 1.37      
19 A' 324 305 11.35      
20 A" 3175 2984 11.60      
21 A" 3162 2972 29.45      
22 A" 1542 1449 15.05      
23 A" 1522 1431 3.35      
24 A" 1207 1135 1.75      
25 A" 1161 1091 0.07      
26 A" 1054 991 0.06      
27 A" 349 328 14.57      
28 A" 245 230 1.75      
29 A" 188 177 0.26      
30 A" 119 112 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23026.9 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 21643.0 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=FULL/6-31G(2df,p)
ABC
0.30292 0.14073 0.09968

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.696 -0.816 0.000
O2 0.216 -1.932 0.000
N3 0.000 0.346 0.000
C4 -1.440 0.327 0.000
C5 0.650 1.626 0.000
H6 1.784 -0.633 0.000
H7 -1.759 -0.711 0.000
H8 -1.833 0.829 0.886
H9 -1.833 0.829 -0.886
H10 1.730 1.489 0.000
H11 0.377 2.205 -0.885
H12 0.377 2.205 0.885

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21491.35472.42252.44271.10342.45683.14373.14372.52633.16433.1643
O21.21492.28882.80133.58482.03622.32173.55043.55043.74114.23414.2341
N31.35472.28881.44031.43542.03502.05252.09202.09202.07292.09272.0927
C42.42252.80131.44032.46093.36391.08641.09131.09133.37592.75852.7585
C52.44273.58481.43542.46092.52793.35672.75392.75391.08821.09201.0920
H61.10342.03622.03503.36392.52793.54374.00024.00022.12283.28943.2894
H72.45682.32172.05251.08643.35673.54371.77851.77854.12453.72143.7214
H83.14373.55042.09201.09132.75394.00021.77851.77213.72963.14782.6026
H93.14373.55042.09201.09132.75394.00021.77851.77213.72962.60263.1478
H102.52633.74112.07293.37591.08822.12284.12453.72963.72961.76821.7682
H113.16434.23412.09272.75851.09203.28943.72143.14782.60261.76821.7690
H123.16434.23412.09272.75851.09203.28943.72142.60263.14781.76821.7690

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.134 C1 N3 C5 122.178
O2 C1 N3 125.843 O2 C1 H6 122.801
N3 C1 H6 111.356 N3 C4 H7 107.831
N3 C4 H8 110.701 N3 C4 H9 110.701
N3 C5 H10 109.680 N3 C5 H11 111.057
N3 C5 H12 111.057 C4 N3 C5 117.689
H7 C4 H8 109.513 H7 C4 H9 109.513
H8 C4 H9 108.568 H10 C5 H11 108.389
H10 C5 H12 108.389 H11 C5 H12 108.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability