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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-248.438838
Energy at 298.15K-248.447282
HF Energy-248.438838
Nuclear repulsion energy182.059621
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 B3PW91/6-31G(2df,p)
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' 3167 3045 0.81      
2 A' 3128 3008 14.33      
3 A' 3026 2909 52.23      
4 A' 3015 2898 48.40      
5 A' 2939 2826 91.56      
6 A' 1814 1744 398.32      
7 A' 1542 1482 25.18      
8 A' 1499 1441 15.19      
9 A' 1463 1407 4.93      
10 A' 1439 1383 28.97      
11 A' 1424 1369 16.34      
12 A' 1416 1361 49.67      
13 A' 1301 1251 30.79      
14 A' 1104 1061 105.21      
15 A' 1082 1041 1.94      
16 A' 888 854 1.89      
17 A' 667 641 6.89      
18 A' 389 374 1.61      
19 A' 322 309 12.22      
20 A" 3083 2964 20.05      
21 A" 3070 2952 40.23      
22 A" 1492 1434 13.82      
23 A" 1469 1413 3.61      
24 A" 1178 1133 1.65      
25 A" 1129 1085 0.07      
26 A" 1027 988 0.13      
27 A" 343 330 14.22      
28 A" 233 224 1.19      
29 A" 182 175 0.09      
30 A" 137 131 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 22484.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 21616.1 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 B3PW91/6-31G(2df,p)
ABC
0.29984 0.14065 0.09933

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.692 -0.823 0.000
O2 0.204 -1.932 0.000
N3 0.000 0.348 0.000
C4 -1.444 0.333 0.000
C5 0.666 1.624 0.000
H6 1.787 -0.646 0.000
H7 -1.765 -0.710 0.000
H8 -1.841 0.838 0.889
H9 -1.841 0.838 -0.889
H10 1.749 1.472 0.000
H11 0.401 2.212 -0.888
H12 0.401 2.212 0.888

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21191.35972.42882.44671.10942.45983.15663.15662.52663.17573.1757
O21.21192.28882.80083.58572.03962.31743.55573.55573.73844.24284.2428
N31.35972.28881.44451.43952.04502.05802.10252.10252.07922.10372.1037
C42.42882.80081.44452.47413.37661.09091.09711.09713.39062.77952.7795
C52.44673.58571.43952.47412.53193.37022.77382.77381.09351.09791.0979
H61.10942.03962.04503.37662.53193.55314.01964.01962.11883.29893.2989
H72.45982.31742.05801.09093.37023.55311.78681.78684.13663.74423.7442
H83.15663.55572.10251.09712.77384.01961.78681.77893.75243.17382.6293
H93.15663.55572.10251.09712.77384.01961.78681.77893.75242.62933.1738
H102.52663.73842.07923.39061.09352.11884.13663.75243.75241.77621.7762
H113.17574.24282.10372.77951.09793.29893.74423.17382.62931.77621.7763
H123.17574.24282.10372.77951.09793.29893.74422.62933.17381.77621.7763

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.989 C1 N3 C5 121.849
O2 C1 N3 125.655 O2 C1 H6 122.907
N3 C1 H6 111.438 N3 C4 H7 107.707
N3 C4 H8 110.889 N3 C4 H9 110.889
N3 C5 H10 109.585 N3 C5 H11 111.298
N3 C5 H12 111.298 C4 N3 C5 118.162
H7 C4 H8 109.501 H7 C4 H9 109.501
H8 C4 H9 108.339 H10 C5 H11 108.289
H10 C5 H12 108.289 H11 C5 H12 107.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.173      
2 O -0.360      
3 N -0.081      
4 C -0.388      
5 C -0.379      
6 H 0.090      
7 H 0.192      
8 H 0.146      
9 H 0.146      
10 H 0.159      
11 H 0.150      
12 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 3.736 0.000 3.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.315 0.529 0.000
y 0.529 -35.767 0.000
z 0.000 0.000 -30.407
Traceless
 xyz
x 5.771 0.529 0.000
y 0.529 -6.906 0.000
z 0.000 0.000 1.134
Polar
3z2-r22.269
x2-y28.451
xy0.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.944 -0.231 0.000
y -0.231 8.061 0.000
z 0.000 0.000 4.764


<r2> (average value of r2) Å2
<r2> 123.010
(<r2>)1/2 11.091