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: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-248.264474
Energy at 298.15K-248.272820
HF Energy-248.264474
Nuclear repulsion energy180.717339
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 PBEPBE/6-311G*
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' 3083 3051 1.88      
2 A' 3048 3016 20.04      
3 A' 2952 2921 64.33      
4 A' 2941 2910 56.71      
5 A' 2841 2811 120.81      
6 A' 1738 1720 385.22      
7 A' 1508 1492 18.09      
8 A' 1469 1453 18.91      
9 A' 1427 1412 4.96      
10 A' 1393 1379 13.54      
11 A' 1387 1372 14.45      
12 A' 1368 1354 59.95      
13 A' 1254 1241 27.23      
14 A' 1067 1056 105.24      
15 A' 1052 1041 4.04      
16 A' 863 854 1.52      
17 A' 647 640 6.86      
18 A' 382 379 1.55      
19 A' 314 310 10.87      
20 A" 3002 2971 27.76      
21 A" 2988 2957 58.19      
22 A" 1467 1452 18.14      
23 A" 1445 1430 4.20      
24 A" 1143 1131 1.42      
25 A" 1098 1087 0.15      
26 A" 961 951 0.08      
27 A" 336 332 13.98      
28 A" 233 230 1.60      
29 A" 183 181 0.15      
30 A" 132 131 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21859.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 21632.4 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 PBEPBE/6-311G*
ABC
0.29674 0.13815 0.09779

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.697 -0.829 0.000
O2 0.207 -1.950 0.000
N3 0.000 0.353 0.000
C4 -1.452 0.335 0.000
C5 0.666 1.639 0.000
H6 1.801 -0.652 0.000
H7 -1.773 -0.714 0.000
H8 -1.852 0.841 0.895
H9 -1.852 0.841 -0.895
H10 1.755 1.488 0.000
H11 0.398 2.229 -0.894
H12 0.398 2.229 0.894

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.22311.37222.44502.46821.11802.47313.17673.17672.54753.20023.2002
O21.22312.31162.82413.61772.05552.33423.58213.58213.77044.27754.2775
N31.37222.31161.45251.44842.06252.06912.11432.11432.09082.11622.1162
C42.44502.82411.45252.48743.40021.09711.10341.10343.40882.79442.7944
C52.46823.61771.44842.48742.55673.38892.78892.78891.09981.10431.1043
H61.11802.05552.06253.40022.55673.57494.04694.04692.14073.32713.3271
H72.47312.33422.06911.09713.38893.57491.79641.79644.15933.76463.7646
H83.17673.58212.11431.10342.78894.04691.79641.79103.77273.19202.6432
H93.17673.58212.11431.10342.78894.04691.79641.79103.77272.64323.1920
H102.54753.77042.09083.40881.09982.14074.15933.77273.77271.78651.7865
H113.20024.27752.11622.79441.10433.32713.76463.19202.64321.78651.7879
H123.20024.27752.11622.79441.10433.32713.76462.64323.19201.78651.7879

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.864 C1 N3 C5 122.076
O2 C1 N3 125.825 O2 C1 H6 122.746
N3 C1 H6 111.430 N3 C4 H7 107.675
N3 C4 H8 110.887 N3 C4 H9 110.887
N3 C5 H10 109.504 N3 C5 H11 111.278
N3 C5 H12 111.278 C4 N3 C5 118.060
H7 C4 H8 109.439 H7 C4 H9 109.439
H8 C4 H9 108.496 H10 C5 H11 108.291
H10 C5 H12 108.291 H11 C5 H12 108.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.143      
2 O -0.331      
3 N -0.256      
4 C -0.541      
5 C -0.521      
6 H 0.144      
7 H 0.249      
8 H 0.221      
9 H 0.221      
10 H 0.221      
11 H 0.225      
12 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.082 3.785 0.000 3.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.043 0.574 0.000
y 0.574 -36.474 0.000
z 0.000 0.000 -31.301
Traceless
 xyz
x 5.844 0.574 0.000
y 0.574 -6.802 0.000
z 0.000 0.000 0.958
Polar
3z2-r21.916
x2-y28.431
xy0.574
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.334 -0.192 0.000
y -0.192 8.540 0.000
z 0.000 0.000 4.899


<r2> (average value of r2) Å2
<r2> 125.075
(<r2>)1/2 11.184