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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-248.341248
Energy at 298.15K-248.349744
HF Energy-248.341248
Nuclear repulsion energy180.438930
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' 3188 3053 0.55      
2 A' 3154 3020 18.21      
3 A' 3047 2918 41.95      
4 A' 3037 2909 53.78      
5 A' 3026 2898 93.78      
6 A' 1725 1652 363.45      
7 A' 1574 1507 15.05      
8 A' 1543 1477 16.00      
9 A' 1502 1438 5.82      
10 A' 1476 1414 22.41      
11 A' 1444 1383 59.58      
12 A' 1437 1376 21.15      
13 A' 1293 1238 29.00      
14 A' 1123 1075 106.48      
15 A' 1102 1055 4.18      
16 A' 886 849 1.30      
17 A' 665 637 7.59      
18 A' 399 383 1.90      
19 A' 321 307 13.45      
20 A" 3112 2981 27.33      
21 A" 3103 2972 45.25      
22 A" 1544 1479 23.90      
23 A" 1521 1457 6.97      
24 A" 1199 1148 2.01      
25 A" 1147 1098 0.11      
26 A" 1026 982 0.01      
27 A" 361 346 28.78      
28 A" 243 232 0.76      
29 A" 178 171 0.01      
30 A" 144 138 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 22757.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 21795.1 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 B3PW91/6-31G
ABC
0.29603 0.13775 0.09748

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 0.709 -0.814 0.000
O2 0.214 -1.956 0.000
N3 0.000 0.353 0.000
C4 -1.456 0.321 0.000
C5 0.657 1.649 0.000
H6 1.798 -0.650 0.000
H7 -1.768 -0.725 0.000
H8 -1.855 0.821 0.891
H9 -1.855 0.821 -0.891
H10 1.742 1.511 0.000
H11 0.382 2.229 -0.890
H12 0.382 2.229 0.890

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.24451.36562.44532.46341.10132.47913.16943.16942.54403.18753.1875
O21.24452.31852.82403.63172.05322.33333.57593.57593.78854.28184.2818
N31.36562.31851.45671.45322.05892.07052.11082.11082.09202.11152.1115
C42.44532.82401.45672.49613.39641.09131.09681.09683.41282.79492.7949
C52.46343.63171.45322.49612.56613.39352.79152.79151.09371.09731.0973
H61.10132.05322.05893.39642.56613.56724.03814.03812.16133.32953.3295
H72.47912.33332.07051.09133.39353.56721.78621.78624.16173.76023.7602
H83.16943.57592.11081.09682.79154.03811.78621.78203.77003.18732.6436
H93.16943.57592.11081.09682.79154.03811.78621.78203.77002.64363.1873
H102.54403.78852.09203.41281.09372.16134.16173.77003.77001.77701.7770
H113.18754.28182.11152.79491.09733.32953.76023.18732.64361.77701.7790
H123.18754.28182.11152.79491.09733.32953.76022.64363.18731.77701.7790

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.054 C1 N3 C5 121.808
O2 C1 N3 125.248 O2 C1 H6 122.038
N3 C1 H6 112.714 N3 C4 H7 107.839
N3 C4 H8 110.720 N3 C4 H9 110.720
N3 C5 H10 109.649 N3 C5 H11 110.995
N3 C5 H12 110.995 C4 N3 C5 118.138
H7 C4 H8 109.444 H7 C4 H9 109.444
H8 C4 H9 108.658 H10 C5 H11 108.402
H10 C5 H12 108.402 H11 C5 H12 108.318
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 0.349      
2 O -0.466      
3 N -0.520      
4 C -0.313      
5 C -0.301      
6 H 0.134      
7 H 0.224      
8 H 0.175      
9 H 0.175      
10 H 0.182      
11 H 0.181      
12 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.150 4.324 0.000 4.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.951 0.684 0.000
y 0.684 -37.041 0.000
z 0.000 0.000 -30.992
Traceless
 xyz
x 7.066 0.684 0.000
y 0.684 -8.070 0.000
z 0.000 0.000 1.005
Polar
3z2-r22.009
x2-y210.090
xy0.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.351 -0.240 0.000
y -0.240 7.866 0.000
z 0.000 0.000 4.203


<r2> (average value of r2) Å2
<r2> 125.117
(<r2>)1/2 11.186