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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-247.054585
Energy at 298.15K-247.063130
HF Energy-247.054585
Nuclear repulsion energy180.470325
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 B3PW91/3-21G
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' 3159 3036 0.56      
2 A' 3125 3004 15.66      
3 A' 3039 2921 42.07      
4 A' 3028 2911 40.43      
5 A' 2961 2846 99.93      
6 A' 1738 1670 284.85      
7 A' 1591 1529 12.15      
8 A' 1560 1500 21.78      
9 A' 1497 1439 3.54      
10 A' 1463 1406 31.65      
11 A' 1437 1381 20.30      
12 A' 1419 1364 52.51      
13 A' 1276 1226 33.95      
14 A' 1108 1065 126.75      
15 A' 1091 1049 2.25      
16 A' 880 846 1.04      
17 A' 663 637 6.78      
18 A' 384 369 1.81      
19 A' 321 308 14.17      
20 A" 3096 2976 29.88      
21 A" 3081 2962 37.82      
22 A" 1563 1502 21.05      
23 A" 1539 1479 7.16      
24 A" 1190 1144 1.08      
25 A" 1142 1097 0.20      
26 A" 1054 1013 0.01      
27 A" 357 343 23.35      
28 A" 234 225 2.75      
29 A" 211 202 0.37      
30 A" 160 153 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22681.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 21801.9 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 B3PW91/3-21G
ABC
0.29558 0.13800 0.09757

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.715 -0.810 0.000
O2 0.227 -1.947 0.000
N3 0.000 0.356 0.000
C4 -1.461 0.297 0.000
C5 0.645 1.661 0.000
H6 1.802 -0.613 0.000
H7 -1.728 -0.763 0.000
H8 -1.870 0.786 0.894
H9 -1.870 0.786 -0.894
H10 1.732 1.525 0.000
H11 0.364 2.239 -0.891
H12 0.364 2.239 0.891

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.23741.36762.44182.47251.10452.44323.16683.16682.54733.19573.1957
O21.23742.31382.80803.63252.06462.28493.55853.55853.78474.28174.2817
N31.36762.31381.46221.45632.04542.05822.11672.11672.09002.11482.1148
C42.44182.80801.46222.50913.38741.09331.09741.09743.42112.80952.8095
C52.47253.63251.45632.50912.55123.39212.80882.80881.09561.09831.0983
H61.10452.06462.04543.38742.55123.53274.02944.02942.13893.31523.3152
H72.44322.28492.05821.09333.39213.53271.79391.79394.14803.76553.7655
H83.16683.55852.11671.09742.80884.02941.79391.78703.78413.20712.6647
H93.16683.55852.11671.09742.80884.02941.79391.78703.78412.66473.2071
H102.54733.78472.09003.42111.09562.13894.14803.78413.78411.78181.7818
H113.19574.28172.11482.80951.09833.31523.76553.20712.66471.78181.7821
H123.19574.28172.11482.80951.09833.31523.76552.66473.20711.78181.7821

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 119.240 C1 N3 C5 122.188
O2 C1 N3 125.218 O2 C1 H6 123.565
N3 C1 H6 111.217 N3 C4 H7 106.398
N3 C4 H8 110.764 N3 C4 H9 110.764
N3 C5 H10 109.154 N3 C5 H11 110.980
N3 C5 H12 110.980 C4 N3 C5 118.571
H7 C4 H8 109.938 H7 C4 H9 109.938
H8 C4 H9 109.015 H10 C5 H11 108.610
H10 C5 H12 108.610 H11 C5 H12 108.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.435      
2 O -0.493      
3 N -0.635      
4 C -0.441      
5 C -0.423      
6 H 0.175      
7 H 0.261      
8 H 0.220      
9 H 0.220      
10 H 0.228      
11 H 0.226      
12 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.126 3.840 0.000 3.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.062 0.749 0.000
y 0.749 -35.724 0.000
z 0.000 0.000 -30.909
Traceless
 xyz
x 6.255 0.749 0.000
y 0.749 -6.739 0.000
z 0.000 0.000 0.484
Polar
3z2-r20.968
x2-y28.663
xy0.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.069 -0.253 0.000
y -0.253 7.264 0.000
z 0.000 0.000 3.876


<r2> (average value of r2) Å2
<r2> 124.748
(<r2>)1/2 11.169