return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-247.333198
Energy at 298.15K-247.341689
HF Energy-246.873444
Nuclear repulsion energy180.199685
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 CID/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' 3245 3035 1.02      
2 A' 3201 2994 24.62      
3 A' 3122 2920 49.41      
4 A' 3103 2902 81.39      
5 A' 3097 2896 29.06      
6 A' 1765 1650 451.37      
7 A' 1628 1522 12.41      
8 A' 1605 1501 10.44      
9 A' 1562 1461 11.65      
10 A' 1539 1439 10.69      
11 A' 1503 1406 87.09      
12 A' 1494 1397 60.30      
13 A' 1334 1248 44.55      
14 A' 1159 1084 125.00      
15 A' 1140 1066 10.19      
16 A' 901 842 2.93      
17 A' 679 635 9.37      
18 A' 414 387 1.64      
19 A' 336 314 13.83      
20 A" 3161 2956 22.10      
21 A" 3158 2953 56.65      
22 A" 1596 1493 18.44      
23 A" 1575 1473 5.00      
24 A" 1245 1164 6.81      
25 A" 1192 1115 0.01      
26 A" 1071 1002 1.20      
27 A" 353 330 39.23      
28 A" 240 225 0.65      
29 A" 163 153 0.04      
30 A" 112 105 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 23346.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 21833.6 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 CID/6-31G
ABC
0.29415 0.13737 0.09708

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.710 -0.816 0.000
O2 0.220 -1.958 0.000
N3 0.000 0.348 0.000
C4 -1.464 0.326 0.000
C5 0.660 1.652 0.000
H6 1.796 -0.664 0.000
H7 -1.791 -0.712 0.000
H8 -1.853 0.831 0.890
H9 -1.853 0.831 -0.890
H10 1.743 1.516 0.000
H11 0.381 2.227 -0.889
H12 0.381 2.227 0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.24281.36342.45592.46791.09612.50373.17423.17422.55013.18673.1867
O21.24282.31642.83793.63612.03892.36613.58743.58743.79294.28094.2809
N31.36342.31641.46411.46102.06112.08142.11192.11192.09822.11302.1130
C42.45592.83791.46412.50323.40671.08851.09511.09513.42072.79372.7937
C52.46793.63611.46102.50322.57903.40482.78932.78931.09211.09511.0951
H61.09612.03892.06113.40672.57903.58734.04244.04242.18013.33873.3387
H72.50372.36612.08141.08853.40483.58731.78251.78254.17793.76073.7607
H83.17423.58742.11191.09512.78934.04241.78251.78093.76773.17882.6339
H93.17423.58742.11191.09512.78934.04241.78251.78093.76772.63393.1788
H102.55013.79292.09823.42071.09212.18014.17793.76773.76771.77551.7755
H113.18674.28092.11302.79371.09513.33873.76073.17882.63391.77551.7786
H123.18674.28092.11302.79371.09513.33873.76072.63393.17881.77551.7786

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.544 C1 N3 C5 121.763
O2 C1 N3 125.381 O2 C1 H6 121.197
N3 C1 H6 113.422 N3 C4 H7 108.353
N3 C4 H8 110.393 N3 C4 H9 110.393
N3 C5 H10 109.696 N3 C5 H11 110.702
N3 C5 H12 110.702 C4 N3 C5 117.693
H7 C4 H8 109.439 H7 C4 H9 109.439
H8 C4 H9 108.809 H10 C5 H11 108.542
H10 C5 H12 108.542 H11 C5 H12 108.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability