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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-247.027456
Energy at 298.15K-247.036020
HF Energy-247.027456
Nuclear repulsion energy180.927274
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 B1B95/3-21G
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' 3168 3031 0.37      
2 A' 3136 3000 15.75      
3 A' 3051 2918 39.66      
4 A' 3039 2908 40.40      
5 A' 2972 2843 96.14      
6 A' 1746 1671 290.85      
7 A' 1592 1523 12.55      
8 A' 1562 1495 22.72      
9 A' 1497 1432 2.84      
10 A' 1466 1402 32.51      
11 A' 1435 1373 17.51      
12 A' 1425 1363 58.46      
13 A' 1282 1226 34.23      
14 A' 1113 1065 123.26      
15 A' 1094 1046 6.33      
16 A' 884 846 1.12      
17 A' 665 637 7.00      
18 A' 381 364 1.75      
19 A' 336 321 13.50      
20 A" 3110 2975 28.25      
21 A" 3094 2960 38.08      
22 A" 1563 1495 20.77      
23 A" 1538 1472 7.43      
24 A" 1190 1139 1.47      
25 A" 1141 1092 0.18      
26 A" 1057 1011 0.03      
27 A" 358 343 23.03      
28 A" 230 220 2.71      
29 A" 212 203 0.62      
30 A" 160 154 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22748.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 21763.1 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 B1B95/3-21G
ABC
0.29711 0.13883 0.09814

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.717 -0.805 0.000
O2 0.229 -1.939 0.000
N3 0.000 0.356 0.000
C4 -1.458 0.287 0.000
C5 0.638 1.661 0.000
H6 1.802 -0.606 0.000
H7 -1.712 -0.775 0.000
H8 -1.869 0.771 0.892
H9 -1.869 0.771 -0.892
H10 1.723 1.528 0.000
H11 0.355 2.236 -0.889
H12 0.355 2.236 0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.23481.36462.43352.46781.10242.42903.15713.15712.54093.18913.1891
O21.23482.30632.79243.62372.06162.26283.54113.54113.77574.27064.2706
N31.36462.30631.45911.45302.04252.05122.11202.11202.08432.11002.1100
C42.43352.79241.45912.50603.37931.09151.09501.09503.41442.80632.8063
C52.46783.62371.45302.50602.54913.38442.80572.80571.09361.09591.0959
H61.10242.06162.04253.37932.54913.51724.02064.02062.13613.31113.3111
H72.42902.26282.05121.09153.38443.51721.79141.79144.13543.75843.7584
H83.15713.54112.11201.09502.80574.02061.79141.78383.77793.20392.6631
H93.15713.54112.11201.09502.80574.02061.79141.78383.77792.66313.2039
H102.54093.77572.08433.41441.09362.13614.13543.77793.77791.77881.7788
H113.18914.27062.11002.80631.09593.31113.75843.20392.66311.77881.7787
H123.18914.27062.11002.80631.09593.31113.75842.66313.20391.77881.7787

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 118.999 C1 N3 C5 122.253
O2 C1 N3 124.978 O2 C1 H6 123.690
N3 C1 H6 111.332 N3 C4 H7 106.169
N3 C4 H8 110.754 N3 C4 H9 110.754
N3 C5 H10 109.040 N3 C5 H11 110.965
N3 C5 H12 110.965 C4 N3 C5 118.748
H7 C4 H8 110.029 H7 C4 H9 110.029
H8 C4 H9 109.080 H10 C5 H11 108.660
H10 C5 H12 108.660 H11 C5 H12 108.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.441      
2 O -0.491      
3 N -0.646      
4 C -0.425      
5 C -0.406      
6 H 0.172      
7 H 0.257      
8 H 0.216      
9 H 0.216      
10 H 0.223      
11 H 0.222      
12 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.136 3.804 0.000 3.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.088 0.750 0.000
y 0.750 -35.650 0.000
z 0.000 0.000 -30.877
Traceless
 xyz
x 6.175 0.750 0.000
y 0.750 -6.667 0.000
z 0.000 0.000 0.492
Polar
3z2-r20.985
x2-y28.561
xy0.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.041 -0.252 0.000
y -0.252 7.222 0.000
z 0.000 0.000 3.862


<r2> (average value of r2) Å2
<r2> 124.140
(<r2>)1/2 11.142