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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-248.312863
Energy at 298.15K-248.305567
HF Energy-246.991003
Nuclear repulsion energy182.996842
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 HF/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' 3362 3168 2.47      
2 A' 3301 3110 36.26      
3 A' 3215 3029 58.66      
4 A' 3202 3017 113.26      
5 A' 3197 3012 23.66      
6 A' 1962 1848 577.27      
7 A' 1687 1590 31.03      
8 A' 1656 1560 9.09      
9 A' 1627 1533 14.00      
10 A' 1593 1501 44.18      
11 A' 1587 1496 13.33      
12 A' 1557 1467 131.54      
13 A' 1405 1324 62.17      
14 A' 1200 1130 139.85      
15 A' 1186 1117 10.77      
16 A' 942 887 4.74      
17 A' 712 671 10.59      
18 A' 426 402 1.72      
19 A' 351 331 14.11      
20 A" 3250 3063 71.13      
21 A" 3250 3062 31.78      
22 A" 1648 1553 13.57      
23 A" 1627 1533 2.30      
24 A" 1288 1214 6.59      
25 A" 1239 1168 0.06      
26 A" 1165 1098 5.88      
27 A" 346 326 32.26      
28 A" 243 229 1.60      
29 A" 162 152 0.28      
30 A" 83 78 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 24235.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 22834.8 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=FULL/6-31G*
ABC
0.29961 0.13900 0.09849

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.702 -0.822 0.000
O2 0.220 -1.948 0.000
N3 0.000 0.348 0.000
C4 -1.450 0.335 0.000
C5 0.651 1.637 0.000
H6 1.795 -0.641 0.000
H7 -1.767 -0.707 0.000
H8 -1.842 0.836 0.892
H9 -1.842 0.836 -0.892
H10 1.733 1.495 0.000
H11 0.374 2.216 -0.889
H12 0.374 2.216 0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.22481.36462.44332.46021.10812.47173.16453.16452.53603.18313.1831
O21.22482.30712.82903.61152.04672.34353.57773.57773.76084.26164.2616
N31.36462.30711.45021.44412.04952.05802.10342.10342.07792.10272.1027
C42.44332.82901.45022.47173.38871.08861.09521.09523.38772.76752.7675
C52.46023.61151.44412.47172.54983.36742.76532.76531.09171.09641.0964
H61.10812.04672.04953.38872.54983.56284.02514.02512.13683.31293.3129
H72.47172.34352.05801.08863.36743.56281.78341.78344.13473.73093.7309
H83.16453.57772.10341.09522.76534.02511.78341.78303.74233.15992.6104
H93.16453.57772.10341.09522.76534.02511.78341.78303.74232.61043.1599
H102.53603.76082.07793.38771.09172.13684.13473.74233.74231.77691.7769
H113.18314.26162.10272.76751.09643.31293.73093.15992.61041.77691.7781
H123.18314.26162.10272.76751.09643.31293.73092.61043.15991.77691.7781

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.605 C1 N3 C5 121.977
O2 C1 N3 125.898 O2 C1 H6 121.538
N3 C1 H6 112.564 N3 C4 H7 108.967
N3 C4 H8 110.457 N3 C4 H9 110.457
N3 C5 H10 110.171 N3 C5 H11 110.880
N3 C5 H12 110.880 C4 N3 C5 117.418
H7 C4 H8 109.272 H7 C4 H9 109.272
H8 C4 H9 108.394 H10 C5 H11 108.289
H10 C5 H12 108.289 H11 C5 H12 108.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability