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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-248.318100
Energy at 298.15K-248.310940
HF Energy-248.512248
Nuclear repulsion energy181.187334
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 B3LYP/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' 3178 3052 1.09      
2 A' 3133 3008 18.53      
3 A' 3037 2916 57.58      
4 A' 3026 2906 47.88      
5 A' 2963 2845 99.05      
6 A' 1804 1732 396.80      
7 A' 1566 1503 14.56      
8 A' 1532 1472 15.37      
9 A' 1493 1434 8.02      
10 A' 1457 1399 7.98      
11 A' 1452 1394 14.28      
12 A' 1431 1374 83.54      
13 A' 1292 1241 38.77      
14 A' 1108 1064 116.39      
15 A' 1094 1051 2.88      
16 A' 882 847 1.62      
17 A' 663 637 7.54      
18 A' 394 379 1.59      
19 A' 323 310 11.79      
20 A" 3084 2961 27.91      
21 A" 3073 2951 48.63      
22 A" 1528 1467 14.01      
23 A" 1505 1446 3.83      
24 A" 1190 1142 2.22      
25 A" 1142 1096 0.04      
26 A" 1020 979 0.52      
27 A" 336 323 16.81      
28 A" 233 223 1.73      
29 A" 179 172 0.21      
30 A" 122 117 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22617.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 21719.9 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 B3LYP/6-31G*
ABC
0.29735 0.13898 0.09824

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.698 -0.826 0.000
O2 0.210 -1.944 0.000
N3 0.000 0.349 0.000
C4 -1.453 0.333 0.000
C5 0.665 1.636 0.000
H6 1.792 -0.653 0.000
H7 -1.777 -0.709 0.000
H8 -1.847 0.839 0.891
H9 -1.847 0.839 -0.891
H10 1.749 1.490 0.000
H11 0.394 2.221 -0.889
H12 0.394 2.221 0.889

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21971.36612.44262.46171.10822.47743.16853.16852.54253.18833.1883
O21.21972.30202.81883.60822.04192.33943.57333.57333.76214.26254.2625
N31.36612.30201.45291.44852.05352.06782.10802.10802.08802.10982.1098
C42.44262.81881.45292.48653.39161.09061.09781.09783.40432.78722.7872
C52.46173.60821.44852.48652.55163.38512.78102.78101.09391.09851.0985
H61.10822.04192.05353.39162.55163.56974.03274.03272.14293.31773.3177
H72.47742.33942.06781.09063.38513.56971.78751.78754.15493.75343.7534
H83.16853.57332.10801.09782.78104.03271.78751.78123.76073.17762.6323
H93.16853.57332.10801.09782.78104.03271.78751.78123.76072.63233.1776
H102.54253.76212.08803.40431.09392.14294.15493.76073.76071.77811.7781
H113.18834.26252.10982.78721.09853.31773.75343.17762.63231.77811.7786
H123.18834.26252.10982.78721.09853.31773.75342.63233.17761.77811.7786

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.065 C1 N3 C5 121.949
O2 C1 N3 125.718 O2 C1 H6 122.514
N3 C1 H6 111.768 N3 C4 H7 107.931
N3 C4 H8 110.691 N3 C4 H9 110.691
N3 C5 H10 109.623 N3 C5 H11 111.113
N3 C5 H12 111.113 C4 N3 C5 117.986
H7 C4 H8 109.547 H7 C4 H9 109.547
H8 C4 H9 108.421 H10 C5 H11 108.396
H10 C5 H12 108.396 H11 C5 H12 108.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.350      
2 O -0.468      
3 N -0.347      
4 C -0.322      
5 C -0.313      
6 H 0.099      
7 H 0.204      
8 H 0.155      
9 H 0.155      
10 H 0.167      
11 H 0.160      
12 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.130 3.826 0.000 3.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 124.271
(<r2>)1/2 11.148