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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-246.125267
Energy at 298.15K-246.133743
HF Energy-245.609856
Nuclear repulsion energy179.002426
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/3-21G
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' 3185 3041 0.96      
2 A' 3151 3009 18.00      
3 A' 3069 2930 37.46      
4 A' 3059 2921 39.98      
5 A' 2994 2858 101.19      
6 A' 1693 1616 223.19      
7 A' 1627 1553 6.36      
8 A' 1609 1536 15.50      
9 A' 1528 1459 12.38      
10 A' 1499 1432 16.29      
11 A' 1471 1404 39.98      
12 A' 1421 1357 52.73      
13 A' 1275 1218 47.15      
14 A' 1110 1060 123.97      
15 A' 1106 1056 28.40      
16 A' 864 825 1.24      
17 A' 652 623 5.57      
18 A' 381 364 1.19      
19 A' 323 309 11.92      
20 A" 3127 2985 29.32      
21 A" 3114 2974 41.55      
22 A" 1604 1532 12.48      
23 A" 1580 1508 5.16      
24 A" 1218 1163 3.63      
25 A" 1173 1120 0.11      
26 A" 1060 1012 0.06      
27 A" 341 326 20.88      
28 A" 224 214 3.04      
29 A" 206 197 1.55      
30 A" 136 130 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 22899.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 21864.5 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/3-21G
ABC
0.29064 0.13540 0.09574

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.722 -0.816 0.000
O2 0.229 -1.967 0.000
N3 0.000 0.360 0.000
C4 -1.476 0.299 0.000
C5 0.652 1.679 0.000
H6 1.807 -0.623 0.000
H7 -1.740 -0.760 0.000
H8 -1.883 0.787 0.893
H9 -1.883 0.787 -0.893
H10 1.738 1.539 0.000
H11 0.370 2.253 -0.891
H12 0.370 2.253 0.891

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.25211.38042.46492.49641.10232.46303.18693.18692.56533.21563.2156
O21.25212.33892.83643.67092.07272.31003.58443.58443.81734.31594.3159
N31.38042.33891.47731.47122.05762.07012.12762.12762.10012.12472.1247
C42.46492.83641.47732.53633.41041.09231.09621.09623.44502.83202.8320
C52.49643.67091.47122.53632.57603.41702.83222.83221.09501.09691.0969
H61.10232.07272.05763.41042.57603.55034.05064.05062.16373.33683.3368
H72.46302.31002.07011.09233.41703.55031.79261.79264.17003.78563.7856
H83.18693.58442.12761.09622.83224.05061.79261.78643.80493.22662.6882
H93.18693.58442.12761.09622.83224.05061.79261.78643.80492.68823.2266
H102.56533.81732.10013.44501.09502.16374.17003.80493.80491.78201.7820
H113.21564.31592.12472.83201.09693.33683.78563.22662.68821.78201.7823
H123.21564.31592.12472.83201.09693.33683.78562.68823.22661.78201.7823

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.166 C1 N3 C5 122.158
O2 C1 N3 125.293 O2 C1 H6 123.252
N3 C1 H6 111.455 N3 C4 H7 106.377
N3 C4 H8 110.658 N3 C4 H9 110.658
N3 C5 H10 108.965 N3 C5 H11 110.805
N3 C5 H12 110.805 C4 N3 C5 118.676
H7 C4 H8 109.993 H7 C4 H9 109.993
H8 C4 H9 109.135 H10 C5 H11 108.778
H10 C5 H12 108.778 H11 C5 H12 108.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability