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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-248.418389
Energy at 298.15K-248.426797
HF Energy-248.418389
Nuclear repulsion energy181.658228
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*
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' 3187 3049 0.75      
2 A' 3145 3009 16.92      
3 A' 3045 2913 55.05      
4 A' 3034 2903 49.37      
5 A' 2971 2842 101.26      
6 A' 1821 1742 408.14      
7 A' 1564 1496 21.11      
8 A' 1527 1461 16.86      
9 A' 1488 1423 5.60      
10 A' 1457 1393 31.60      
11 A' 1447 1384 12.23      
12 A' 1432 1370 59.53      
13 A' 1307 1250 34.40      
14 A' 1111 1063 110.12      
15 A' 1092 1045 1.89      
16 A' 893 855 1.71      
17 A' 668 639 7.43      
18 A' 393 376 1.66      
19 A' 322 308 12.23      
20 A" 3100 2966 22.89      
21 A" 3090 2956 47.33      
22 A" 1523 1457 16.75      
23 A" 1500 1435 4.21      
24 A" 1186 1135 1.82      
25 A" 1138 1089 0.06      
26 A" 1019 975 0.32      
27 A" 341 327 17.68      
28 A" 234 224 1.83      
29 A" 180 172 0.19      
30 A" 126 120 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 22669.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21687.6 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 B3PW91/6-31G*
ABC
0.29937 0.13976 0.09885

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.696 -0.822 0.000
O2 0.208 -1.938 0.000
N3 0.000 0.349 0.000
C4 -1.446 0.331 0.000
C5 0.662 1.631 0.000
H6 1.791 -0.650 0.000
H7 -1.767 -0.712 0.000
H8 -1.842 0.836 0.891
H9 -1.842 0.836 -0.891
H10 1.747 1.484 0.000
H11 0.392 2.216 -0.890
H12 0.392 2.216 0.890

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21791.36252.43272.45361.10872.46533.15953.15952.53493.18063.1806
O21.21792.29682.80793.59812.04122.32453.56223.56223.75284.25274.2527
N31.36252.29681.44661.44272.05052.06152.10322.10322.08312.10512.1051
C42.43272.80791.44662.47723.38241.09121.09771.09773.39502.78002.7800
C52.45363.59811.44272.47722.54473.37532.77442.77441.09421.09841.0984
H61.10872.04122.05053.38242.54473.55864.02464.02462.13473.31073.3107
H72.46532.32452.06151.09123.37533.55861.78741.78744.14393.74593.7459
H83.15953.56222.10321.09772.77444.02461.78741.78173.75403.17322.6267
H93.15953.56222.10321.09772.77444.02461.78741.78173.75402.62673.1732
H102.53493.75282.08313.39501.09422.13474.14393.75403.75401.77771.7777
H113.18064.25272.10512.78001.09843.31073.74593.17322.62671.77771.7791
H123.18064.25272.10512.78001.09843.31073.74592.62673.17321.77771.7791

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.971 C1 N3 C5 121.980
O2 C1 N3 125.682 O2 C1 H6 122.574
N3 C1 H6 111.743 N3 C4 H7 107.827
N3 C4 H8 110.764 N3 C4 H9 110.764
N3 C5 H10 109.625 N3 C5 H11 111.146
N3 C5 H12 111.146 C4 N3 C5 118.049
H7 C4 H8 109.489 H7 C4 H9 109.489
H8 C4 H9 108.494 H10 C5 H11 108.338
H10 C5 H12 108.338 H11 C5 H12 108.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.346      
2 O -0.474      
3 N -0.373      
4 C -0.381      
5 C -0.371      
6 H 0.120      
7 H 0.226      
8 H 0.177      
9 H 0.177      
10 H 0.188      
11 H 0.182      
12 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.134 3.857 0.000 3.859
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.185 0.618 0.000
y 0.618 -35.951 0.000
z 0.000 0.000 -30.646
Traceless
 xyz
x 6.114 0.618 0.000
y 0.618 -7.035 0.000
z 0.000 0.000 0.921
Polar
3z2-r21.843
x2-y28.766
xy0.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.560 -0.244 0.000
y -0.244 7.823 0.000
z 0.000 0.000 4.404


<r2> (average value of r2) Å2
<r2> 123.537
(<r2>)1/2 11.115