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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-45.803815
Energy at 298.15K-45.812336
HF Energy-45.803815
Nuclear repulsion energy101.316491
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 HF/CEP-121G
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' 3317 3027 4.30      
2 A' 3265 2979 54.70      
3 A' 3224 2942 52.12      
4 A' 3152 2876 92.88      
5 A' 3146 2870 47.46      
6 A' 1786 1630 614.68      
7 A' 1669 1523 18.15      
8 A' 1645 1501 8.52      
9 A' 1605 1464 20.84      
10 A' 1584 1445 4.25      
11 A' 1547 1412 95.52      
12 A' 1525 1392 96.39      
13 A' 1378 1258 59.02      
14 A' 1193 1088 146.81      
15 A' 1179 1076 17.39      
16 A' 913 833 6.77      
17 A' 687 627 12.46      
18 A' 417 381 1.95      
19 A' 335 306 16.03      
20 A" 3224 2942 85.80      
21 A" 3221 2939 38.93      
22 A" 1643 1500 22.55      
23 A" 1624 1482 3.64      
24 A" 1281 1169 7.71      
25 A" 1229 1121 0.00      
26 A" 1134 1035 1.44      
27 A" 357 325 48.61      
28 A" 241 220 0.06      
29 A" 138 126 0.01      
30 A" 106 96 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 23881.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 21791.9 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 HF/CEP-121G
ABC
0.29408 0.13775 0.09721

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.715 -0.815 0.000
O2 0.229 -1.953 0.000
N3 0.000 0.344 0.000
C4 -1.467 0.321 0.000
C5 0.654 1.653 0.000
H6 1.791 -0.665 0.000
H7 -1.806 -0.703 0.000
H8 -1.851 0.825 0.883
H9 -1.851 0.825 -0.883
H10 1.731 1.535 0.000
H11 0.372 2.222 -0.882
H12 0.372 2.222 0.882

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.23751.36172.46022.46901.08662.52373.17103.17102.56063.18093.1809
O21.23752.30822.83713.63122.02482.38843.58103.58103.79814.26944.2694
N31.36172.30821.46701.46362.05602.08742.10682.10682.10162.10782.1078
C42.46022.83711.46702.50423.40441.07891.08691.08693.42072.78752.7875
C52.46903.63121.46362.50422.58253.40622.78232.78231.08381.08651.0865
H61.08662.02482.05603.40442.58253.59774.03354.03352.20143.33593.3359
H72.52372.38842.08741.07893.40623.59771.76521.76524.18593.75163.7516
H83.17103.58102.10681.08692.78234.03351.76521.76673.75743.16372.6255
H93.17103.58102.10681.08692.78234.03351.76521.76673.75742.62553.1637
H102.56063.79812.10163.42071.08382.20144.18593.75743.75741.75981.7598
H113.18094.26942.10782.78751.08653.33593.75163.16372.62551.75981.7638
H123.18094.26942.10782.78751.08653.33593.75162.62553.16371.75981.7638

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.804 C1 N3 C5 121.790
O2 C1 N3 125.188 O2 C1 H6 121.056
N3 C1 H6 113.756 N3 C4 H7 109.201
N3 C4 H8 110.271 N3 C4 H9 110.271
N3 C5 H10 110.288 N3 C5 H11 110.625
N3 C5 H12 110.625 C4 N3 C5 117.406
H7 C4 H8 109.177 H7 C4 H9 109.177
H8 C4 H9 108.721 H10 C5 H11 108.354
H10 C5 H12 108.354 H11 C5 H12 108.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.146      
2 O -0.386      
3 N -0.239      
4 C -0.343      
5 C -0.317      
6 H 0.110      
7 H 0.224      
8 H 0.158      
9 H 0.158      
10 H 0.157      
11 H 0.166      
12 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.533 4.898 0.000 4.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.802 0.590 0.000
y 0.590 -39.684 0.000
z 0.000 0.000 -31.485
Traceless
 xyz
x 8.782 0.590 0.000
y 0.590 -10.540 0.000
z 0.000 0.000 1.758
Polar
3z2-r23.516
x2-y212.882
xy0.590
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.032 -0.155 0.000
y -0.155 7.600 0.000
z 0.000 0.000 4.573


<r2> (average value of r2) Å2
<r2> 104.795
(<r2>)1/2 10.237