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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-248.514649
Energy at 298.15K-248.523097
HF Energy-248.514649
Nuclear repulsion energy182.272913
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 mPW1PW91/6-311G**
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' 3175 3037 0.85      
2 A' 3140 3004 17.33      
3 A' 3039 2907 56.46      
4 A' 3029 2898 48.95      
5 A' 2961 2833 98.86      
6 A' 1814 1736 462.24      
7 A' 1550 1483 34.80      
8 A' 1507 1442 16.76      
9 A' 1470 1406 4.48      
10 A' 1449 1386 35.65      
11 A' 1433 1371 13.44      
12 A' 1423 1361 53.06      
13 A' 1310 1253 32.41      
14 A' 1108 1060 110.75      
15 A' 1086 1039 3.55      
16 A' 893 854 2.40      
17 A' 672 642 7.59      
18 A' 391 374 1.58      
19 A' 324 310 12.36      
20 A" 3094 2960 23.87      
21 A" 3083 2950 50.56      
22 A" 1503 1438 17.43      
23 A" 1480 1416 4.75      
24 A" 1178 1127 1.97      
25 A" 1130 1081 0.12      
26 A" 1031 987 0.06      
27 A" 346 331 18.71      
28 A" 233 223 1.60      
29 A" 177 169 0.16      
30 A" 127 122 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22577.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21600.0 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 mPW1PW91/6-311G**
ABC
0.30017 0.14098 0.09953

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.690 -0.822 0.000
O2 0.203 -1.929 0.000
N3 0.000 0.347 0.000
C4 -1.444 0.333 0.000
C5 0.667 1.623 0.000
H6 1.783 -0.651 0.000
H7 -1.767 -0.706 0.000
H8 -1.837 0.836 0.889
H9 -1.837 0.836 -0.889
H10 1.747 1.469 0.000
H11 0.403 2.208 -0.887
H12 0.403 2.208 0.887

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.20961.35772.42632.44511.10632.45983.15053.15052.52363.17013.1701
O21.20962.28562.79803.58252.03222.31883.54943.54943.73314.23594.2359
N31.35772.28561.44401.43982.04362.05742.09862.09862.07672.10032.1003
C42.42632.79801.44402.47453.37371.08811.09441.09443.38782.77772.7777
C52.44513.58251.43982.47452.53313.36952.77192.77191.09081.09501.0950
H61.10632.03222.04363.37372.53313.55064.01354.01352.12103.29633.2963
H72.45982.31882.05741.08813.36953.55061.78131.78134.13353.74033.7403
H83.15053.54942.09861.09442.77194.01351.78131.77733.74723.17122.6273
H93.15053.54942.09861.09442.77194.01351.78131.77733.74722.62733.1712
H102.52363.73312.07673.38781.09082.12104.13353.74723.74721.77181.7718
H113.17014.23592.10032.77771.09503.29633.74033.17122.62731.77181.7744
H123.17014.23592.10032.77771.09503.29633.74032.62733.17121.77181.7744

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.964 C1 N3 C5 121.836
O2 C1 N3 125.714 O2 C1 H6 122.620
N3 C1 H6 111.666 N3 C4 H7 107.858
N3 C4 H8 110.781 N3 C4 H9 110.781
N3 C5 H10 109.525 N3 C5 H11 111.183
N3 C5 H12 111.183 C4 N3 C5 118.201
H7 C4 H8 109.407 H7 C4 H9 109.407
H8 C4 H9 108.588 H10 C5 H11 108.311
H10 C5 H12 108.311 H11 C5 H12 108.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.297      
2 O -0.383      
3 N -0.396      
4 C -0.201      
5 C -0.176      
6 H 0.068      
7 H 0.156      
8 H 0.127      
9 H 0.127      
10 H 0.120      
11 H 0.130      
12 H 0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.199 3.917 0.000 3.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.394 0.545 0.000
y 0.545 -36.451 0.000
z 0.000 0.000 -30.861
Traceless
 xyz
x 6.263 0.545 0.000
y 0.545 -7.323 0.000
z 0.000 0.000 1.061
Polar
3z2-r22.122
x2-y29.057
xy0.545
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.927 -0.158 0.000
y -0.158 8.099 0.000
z 0.000 0.000 4.786


<r2> (average value of r2) Å2
<r2> 123.045
(<r2>)1/2 11.093