return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-303.773231
Energy at 298.15K-303.783326
Nuclear repulsion energy250.730846
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 BLYP/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 3563 3536 15.81      
2 A 3449 3423 7.53      
3 A 3098 3074 1.73      
4 A 3057 3034 11.54      
5 A 2995 2972 28.33      
6 A 2979 2956 55.53      
7 A 2937 2915 78.83      
8 A 2908 2886 75.04      
9 A 1714 1701 301.07      
10 A 1587 1575 99.24      
11 A 1508 1497 22.36      
12 A 1482 1471 13.23      
13 A 1474 1462 15.04      
14 A 1473 1461 9.13      
15 A 1443 1432 44.29      
16 A 1400 1390 7.14      
17 A 1378 1368 165.74      
18 A 1244 1235 56.84      
19 A 1232 1222 27.71      
20 A 1141 1133 2.57      
21 A 1102 1094 3.43      
22 A 1069 1060 75.27      
23 A 1054 1046 16.78      
24 A 991 983 33.33      
25 A 744 738 63.60      
26 A 736 730 24.48      
27 A 597 592 130.68      
28 A 570 566 35.78      
29 A 496 492 8.36      
30 A 424 421 22.84      
31 A 379 376 13.92      
32 A 308 306 9.12      
33 A 187 185 4.86      
34 A 150 149 1.12      
35 A 132 131 4.67      
36 A 83 82 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 25542.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 25345.8 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 BLYP/6-31G**
ABC
0.16530 0.11464 0.06991

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.563 0.665 0.154
O2 1.258 -1.348 -0.079
C3 0.772 -0.209 -0.015
N4 -0.599 0.041 -0.020
H5 1.309 1.706 0.616
N6 1.594 0.943 0.001
H7 -2.211 -1.119 -0.775
H8 -2.125 -1.030 1.011
H9 -0.925 -2.012 0.102
C10 -1.521 -1.093 0.087
H11 -0.502 2.071 -0.593
H12 -1.421 1.792 0.927
H13 -2.123 1.346 -0.650
C14 -1.183 1.382 -0.076

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.41001.99983.22761.69321.01955.17975.05794.39694.44623.45334.21124.80263.8203
O22.41001.23962.31963.13202.31663.54523.56842.28872.79523.87944.24814.36053.6617
C31.99981.23961.39372.08651.41533.20963.18092.47862.45922.67533.11443.34722.5211
N43.22762.31961.39372.61142.37132.12382.13052.08241.46502.11192.15392.10301.4635
H51.69323.13202.08652.61141.02034.72254.40864.36804.01522.20812.74913.67612.6067
N61.01952.31661.41532.37131.02034.39604.32933.88413.72182.45283.26573.79472.8121
H75.17973.54523.20962.12384.72254.39601.79051.79481.10473.62333.46312.46932.7923
H85.05793.56843.18092.13054.40864.32931.79051.79791.10583.85072.91032.89962.8083
H94.39692.28872.47862.08244.36803.88411.79481.79791.09574.16383.92453.64423.4085
C104.44622.79522.45921.46504.01523.72181.10471.10581.09573.39323.00662.61842.5030
H113.45333.87942.67532.11192.20812.45283.62333.85074.16383.39321.79781.77701.0987
H124.21124.24813.11442.15392.74913.26573.46312.91033.92453.00661.79781.78301.1090
H134.80264.36053.34722.10303.67613.79472.46932.89963.64422.61841.77701.78301.1024
C143.82033.66172.52111.46352.60672.81212.79232.80833.40852.50301.09871.10901.1024

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 109.367 H1 N6 H5 112.210
O2 C3 N4 123.385 O2 C3 N6 121.374
C3 N4 C10 118.662 C3 N4 C14 123.839
C3 N6 H5 116.959 N4 C3 N6 115.165
N4 C10 H7 110.697 N4 C10 H8 111.171
N4 C10 H9 107.950 N4 C14 H11 110.215
N4 C14 H12 112.985 N4 C14 H13 109.281
H7 C10 H8 108.192 H7 C10 H9 109.304
H8 C10 H9 109.508 C10 N4 C14 117.455
H11 C14 H12 109.044 H11 C14 H13 107.675
H12 C14 H13 107.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.256      
2 O -0.501      
3 C 0.631      
4 N -0.375      
5 H 0.238      
6 N -0.583      
7 H 0.096      
8 H 0.093      
9 H 0.145      
10 C -0.158      
11 H 0.122      
12 H 0.096      
13 H 0.107      
14 C -0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.645 3.002 1.168 3.617
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.511 4.388 2.204
y 4.388 -37.307 1.356
z 2.204 1.356 -37.099
Traceless
 xyz
x 3.693 4.388 2.204
y 4.388 -2.002 1.356
z 2.204 1.356 -1.690
Polar
3z2-r2-3.381
x2-y23.797
xy4.388
xz2.204
yz1.356


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> 169.066
(<r2>)1/2 13.003