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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-247.383360
Energy at 298.15K-247.391742
HF Energy-246.869640
Nuclear repulsion energy178.605434
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 MP2/6-31G
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' 3191 3053 1.21      
2 A' 3159 3022 20.68      
3 A' 3055 2923 33.98      
4 A' 3048 2916 57.28      
5 A' 3039 2907 90.62      
6 A' 1679 1606 310.66      
7 A' 1599 1530 9.69      
8 A' 1581 1513 10.36      
9 A' 1522 1456 16.66      
10 A' 1501 1436 15.71      
11 A' 1456 1393 81.14      
12 A' 1434 1372 15.32      
13 A' 1284 1228 37.18      
14 A' 1121 1073 110.67      
15 A' 1109 1061 14.26      
16 A' 866 829 1.18      
17 A' 650 622 6.64      
18 A' 399 382 1.36      
19 A' 323 309 11.70      
20 A" 3124 2989 23.50      
21 A" 3116 2982 50.55      
22 A" 1571 1503 15.89      
23 A" 1549 1482 5.07      
24 A" 1216 1163 5.61      
25 A" 1166 1115 0.06      
26 A" 1005 961 0.00      
27 A" 337 323 27.90      
28 A" 230 220 2.07      
29 A" 169 162 0.27      
30 A" 114 109 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 22804.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 21819.3 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 MP2/6-31G
ABC
0.29015 0.13458 0.09529

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.715 -0.823 0.000
O2 0.212 -1.983 0.000
N3 0.000 0.357 0.000
C4 -1.473 0.334 0.000
C5 0.671 1.665 0.000
H6 1.806 -0.664 0.000
H7 -1.790 -0.713 0.000
H8 -1.864 0.839 0.895
H9 -1.864 0.839 -0.895
H10 1.757 1.514 0.000
H11 0.394 2.243 -0.894
H12 0.394 2.243 0.894

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.26411.37932.47492.48851.10272.50673.19553.19552.55893.20953.2095
O21.26412.34922.86473.67672.06872.37013.61543.61543.82304.32304.3230
N31.37932.34921.47351.47022.07442.08552.12322.12322.10402.12412.1241
C42.47492.86471.47352.52373.42761.09431.09951.09953.43942.81622.8162
C52.48853.67671.47022.52372.59113.42242.81242.81241.09701.09981.0998
H61.10272.06872.07443.42762.59113.59594.06534.06532.17863.35303.3530
H72.50672.37012.08551.09433.42243.59591.79341.79344.18853.78283.7828
H83.19553.61542.12321.09952.81244.06531.79341.79043.79093.20512.6592
H93.19553.61542.12321.09952.81244.06531.79341.79043.79092.65923.2051
H102.55893.82302.10403.43941.09702.17864.18853.79093.79091.78571.7857
H113.20954.32302.12412.81621.09983.35303.78283.20512.65921.78571.7881
H123.20954.32302.12412.81621.09983.35303.78282.65923.20511.78571.7881

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.309 C1 N3 C5 121.655
O2 C1 N3 125.365 O2 C1 H6 121.710
N3 C1 H6 112.925 N3 C4 H7 107.704
N3 C4 H8 110.374 N3 C4 H9 110.374
N3 C5 H10 109.219 N3 C5 H11 110.652
N3 C5 H12 110.652 C4 N3 C5 118.036
H7 C4 H8 109.676 H7 C4 H9 109.676
H8 C4 H9 109.021 H10 C5 H11 108.752
H10 C5 H12 108.752 H11 C5 H12 108.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability